tag:blogger.com,1999:blog-91215149779465610182024-03-06T00:35:53.967-03:00GRUPO DE ENXADRISTAS DO IFSP AVARÉGRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.comBlogger60125tag:blogger.com,1999:blog-9121514977946561018.post-84829553178310798522020-03-09T12:35:00.001-03:002020-03-09T12:35:15.006-03:004ª Etapa do Circuito Ajedrez en Las Redes - 2ª rodadaCirineu Junior x Kleber Carvalho<br />
1. e4 e5 2. Cf3 Cc6 3. Bb5 (Ruy Lopes) d6 (Defesa Steinitz) 4. O-O Bd7 5. d4 a6? Erro e novidade na posição. Já havia sido jogado anteriormente os lances: 5...Cf6; 5...exd4; 5...Cge7; 5...Cxd4; 5...Be7; 5...f6 e 5...g6. O melhor lance na posição é 5...Cf6. O lance 5...a6? Permite as brancas ficar com um peão de vantagem após as trocas.<br />
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6. Bxc6 Bxc6 7. d5?! (Imprecisão. Melhor seria 7. dxe5) Bb5 8. Te1 h6 9. Ca3 Bd7 10. c4 b6 11. Cc2 Bg4 12. Ce3 Bxf3 13. Dxf3 Cf6 14. Cc2 Dd7 15. Cb4 a5 16. Cc6 a4?! (Imprecisão. Melhor seria 16... Cg8) 17. Be3?! (Imprecisão. Melhor seria 17. De2) h5 18. h3 Dc8?! (Imprecisão. Melhor seria 18...Cg8) 19. b3?! (imprecisão. Melhor seria 19. b4) a3?! (Imprecisão. 19...Cg8 seria melhor.) 20. b4 Ta4?! (Imprecisão. 20...Cd7 seria melhor) 21. Tab1 Da6? Erro. Esse lance permite as brancas forte ataque e ganhar boa vantagem material atacando os peões da ala da Dama. Melhor seria 21...Cd7<br />
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22. Tec1?! (Imprecisão. Melhor seria 22.c5) Be7?! (Imprecisão. Melhor seria 22...Dc8) 23. b5?? Erro grosseiro. A ruptura da cadeia de peões seria com o peão de c5 apoiado pelo peão de b4. A ideia é eliminar o peão d6 que está defendendo e5, e, assim, conquistar mais uma casa no centro.<br />
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23...Dc8 24. Bd2 Ta8 25. Tb3 h4?! (Imprecisão. Melhor seria 25...Cd7) 26. Tcc3 O-O?? Erro grosseiro. Está caindo o bispo com xeque e capturando a dama, em seguida. Erro que dá vantagem vitoriosa para as brancas. Melhor seria 26... Dd7.<br />
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27. Cxe7+ Rh8 28. Cxc8 Tfxc8 29. Txa3 Te8 30. Txa8 Txa8 31. Ta3 Txa3 32. Dxa3 Rh7 33. f3 g6?! (Imprecisão. Melhor seria 33...Ce8) Mate em 17 lances. 34. Da7 Rg7?! (Imprecisão. Melhor seria 34...Ce8) Mate em 15 lances. 35. Dxc7 e as pretas abandonam.<br />
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Uma sequência possível seria: 35...g5 36. Dxd6 Ch7 37. Dxe5+ f6 38. Dc7+ Rg6 39. Bb4 g4 40. hxg4 h3 41. gxh3 Cg5 42. Bf8 Cxh3+ 43. Rh2 Rg5 44. Rxh3 f5 45. f4+ Rg6 46. Dg7#<br />
<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-40309353182360685672020-03-09T11:19:00.000-03:002020-03-09T11:19:02.793-03:00Liga Chess - Série C - 6ª rodadaCirineu Junior x Fernando<br />
1. e4 e5 2. Cf3 Cc6 3. Bb5 (Ruy Lopes) a6 4. Bxc6 (Variante das trocas) dxc6 5. O-O (Variante normal) Bd6 6. d4 exd4 7. Dxd4 f6 8. Te1 Be7? Erro. E novidade na posição. Já haviam sido jogados os lances 8...Ce7 e 8...Be6. Sendo o melhor lance na posição 8...Ce7. As brancas ficam com uma posição melhor, pois, o cavalo em g8 está preso.<br />
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9. Dc3 Be6 10. e5 Rf7? Erro. Após alguns lances as brancas conseguem vantagem material. O melhor lance seria 10...f5.<br />
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11. exf6?! (Imprecisão. Melhor lance era 11. Cbd2) Bxf6 12. Dc5?! (Imprecisão. Melhor seria 12. De3) Dd5 13. Dxd5? Erro. As brancas perdem toda a vantagem posicional e as pretas aliviam sua posição com essa troca. O melhor lance seria 13. De3.<br />
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13...Bxd5 14. Cbd2?! (Imprecisão. Melhor seria 14. Ce5+) Ce7?! (Imprecisão. Melhor seria 14...Te8) 15. c4 Be6 16. Ce5+ Bxe5 17. Txe5 Cg6 18. Te4 Bf5 19. Td4 The8 20. Cf3 Tad8 21. Bg5 Txd4 22. Cxd4 Bd3 23. b3 c5 24. Cf3 Te2?! (Imprecisão. Melhor seria 24...Be4) 25. Be3 h6?! (Imprecisão. Melhor seria 25...b6) 26. Bxc5 b6 27. Be3 Tc2?? Erro grosseiro. As pretas poderiam ter perdido material com esse lance. Melhor seria 27...c5.<br />
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28. Cd4?? Erro grosseiro. O lance que ganhava material seria 28. Ce1. Com esse lance as pretas podem salvar a torre.<br />
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28...Tc3?? Erro grosseiro. Com esse lance, as brancas tem a oportunidade de ganhar material novamente. O lance 28...Tb2 igualava a partida.<br />
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29. Bd2 c5?! (Imprecisão. Melhor seria 29...Tc2) 30. Bxc3 cxd4 31. Bxd4 Cf4 32. Bxb6 Rg6 33. f3. E as pretas abandonam. A vantagem material das brancas era suficiente para garantir a vitória. 1-0.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-78684625692533180192020-03-08T13:00:00.001-03:002020-03-08T13:00:28.811-03:00Liga Chess - Série C - 5ª rodadaBruno Pinheiro x Cirineu Junior<br />
1.d4 Cf6 2. c4 e6 3. Cc3 Bb4 (Defesa Ninzoíndia) 4. Bd2 b6 5. Cf3 c5 6. e3 Bb7 7. Be2 d5. O lance 7...d5 é a novidade na posição. Já haviam sido jogados os lances 7...O-O e 7... Bxc3. Sendo que, o melhor lance na posição é 7...O-O.<br />
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8. O-O Cc6 9. cxd5 Cxd5 10. Cxd5 Dxd5 11. Bb5 Bxd2 12. Dxd2 O-O 13. Ba4?! (Imprecisão. Melhor seria 13. dxc5) Tad8 14. Tad1 Ba6? Erro. Tirando a defesa do cavalo. Deixando a dama responsável pela defesa do cavalo. O melhor lance seria 14...Dxa2 ganhando um peão.<br />
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15. Tfe1 b5?! (Imprecisão. Melhor seria 15...cxd4) 16. Bc2 Cb4?! (Imprecisão. Melhor seria 16...b5) 17. e4?? Erro grosseiro. Permite as brancas capturar o peão em a2, e, as brancas não podem capturar o peão em c5, pois, cai a dama. Melhor seria 17. Bb1.<br />
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17...Dc6?! (Imprecisão. Melhor seria 17...Dxa2) 18. Bb1 Bb7 19. a3?! (Imprecisão. Melhor seria 19. h4) Ca6 20. Tc1?! (Imprecisão. melhor seria 20. e5) Tc8? Erro. Com esse lance o peão de c5 está cravado. Melhor seria 20... Db6.<br />
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21. Ce5?! (Imprecisão. Melhor seria 21. d5) Dd6 22. Cf3 c4?! (Imprecisão. 22...Db6 seria melhor) 23. Dc2?! (Imprecisão. Melhor seria 23. e5) Df4 24. d5? Erro. As pretas ganham um peão de vantagem. Melhor seria 24. Tcd1.<br />
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24...Cc5 25. Te3?! (Imprecisão. Melhor seria 25. Tcd1) Tcd8 26. g3 Dg4 27. e5?? Erro grosseiro. Embora esteja ameaçando xeque-mate com Dxh7#, o peão em d5 está caindo com forte ataque das negras. Melhor seria 27. Cd4.<br />
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27...g6 28. b4?! (Imprecisão. Melhor seria 28. De2) Cd3 29. Td1?! (Imprecisão. Melhor seria 29. Tf1) Bxd5?? Erro grosseiro, permite as brancas arrumar melhor sua defesa e forçar algumas trocas diminuindo a força do ataque negro. Melhor seria 29...Txd5.<br />
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30. Ce1 Dh3 31. f4 Cxe1 32. Tdxe1 Bc6 33. Df2 Td4 34. Tc3? Erro. Permite as negras dobrar as torres e construir um ataque forte. Melhor seria 34. Df1 propondo as trocas de damas.<br />
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34...Tfd8 35. Tc2 Td3?! (Imprecisão. Melhor seria 35. Dh5) 36. Tce2 Txa3 37. Be4?! (Imprecisão. Melhor seria 37. Bc2) Bxe4 38. Txe4 Td7 39. Tb1?! (Imprecisão. Melhor seria 39. f5) Tdd3 40. Td4 Tf3 41. Dg2 Txg3 42. hxg3 Txg3 43. Dxg3 Dxg3+ 44. Rh1 Df3+. E as brancas abadonam, pois, se 45. Rg1 De3+ seguido de Dxd4, se 45. Rh2 Df2+ seguido de Dxd4 e as pretas já tem o jogo ganho.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-15065084389733640402020-03-08T11:31:00.001-03:002020-03-08T11:31:24.598-03:00Copa da Liga Chess - 4ª rodadaCarlos Eduardo M. Barroso x Cirineu R. Donini Junior<br />
1. e4 e6 (Defesa Francesa) 2. d4 d5 3. e5 (Variante do Avanço) c5 4. c3 Cc6 5. Cf3 (Ataque Paulsen) Db6 6. Be2 cxd4 7. cxd4 Bb4+?! (Imprecisão. Melhor seria 7...Ch6) 8. Bd2 Bxd2+. O lance 8...Bxd2+ foi a novidade na posição, sendo jogado antes os lances: 8...Bd7 e 8...Be7. Sendo que, o melhor lance na posição é 8...Cge7.<br />
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9. Cbxd2?? Erro grosseiro. As pretas ganham um peão. Estão caindo os peões de b2 e d4. Melhor seria 9. Dxd2 que defenderia ambos os peões.<br />
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9...Cxd4 10. Cxd4 Dxd4 11. O-O?! (Imprecisão. Melhor seria 11. Bb5+) Dxe5 12. Cf3 Dd6 13. Te1 Cf6 14. Bb5+ Bd7 15. Bxd7+ Dxd7 16. Ce5 Db5 17. a4 Da5 18. Dc2 O-O 19. Db3 Db6 20. Dc3 Ce4?! (Imprecisão. Melhor seria 20... Tac8) 21. Df3? Erro. Não aproveita a imprecisão das pretas com 21. Txe4 dxe4 22. Cd7 Dd6 23. Cxf8 Txf8 e está caindo o peão de b2.<br />
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21...Dc7?! (Imprecisão. Melhor seria 21...Dxb2) 22. Tac1?? Erro grosseiro. As brancas se preocuparam em atacar a dama, mas, esqueceram seu cavalo desprotegido. Melhor seria 22. Cd3.<br />
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22...Dxe5 23. b4 Tac8 24. Tcd1 Tc3 25. De2 Dg5 26. f3 Cd6 27. b5 Cc4 28. Df2 b6 29. Dd4 Te3 30. Txe3 Cxe3 31. Td2 Cf5 32. Df2 Tc8 33. Td1 Ce3 34. Te1 Tc2 35. Te2?! (Imprecisão. Melhor seria 35. h4). Xeque-mate agora é inevitável. 35...Tc1+ 36. Te1 Txe1+. E as brancas abandonaram, pois, 37. Dxe1 Dxg2#.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-65783083173735234712020-02-06T15:53:00.000-03:002020-02-06T15:53:08.291-03:00Copa da Liga Chess - Grupo 3 - 3ª rodadaCirineu Junior x Anderson Silva<br />
1. e4 c5 (Defesa Siciliana) 2. Cf3 e6 (Variante Francesa) 3. Cc3 Cf6 4. d4 Cc6?? Erro grave. Melhor movimento era 4...cxd4. (4...cxd4 5. Cxd4 Cc6 6. Be2 d5 7. exd5 exd5 8. Bf3 Bd6 9. De2+). Permite as Brancas dominar o centro, obter uma maior mobilidade de peças e criar um bom ataque.<br />
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As brancas jogam 5. Bg5?? Igualando a posição. E desperdiçando a oportunidade de ganhar vantagem posicional. O melhor movimento era 5. d5 (5. d5 exd5 6. exd5 Cd4 7. Cxd4 cxd4 8. Dxd4 Bd6 9. Cb5 Bb8). Ficaria com um peão de vantagem e deixaria as pretas com um peão isolado.<br />
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As pretas jogam 5...Be7?? Erro grave, dando oportunidade para as brancas obterem vantagem. Melhor movimento era 5...cxd4. (5...cxd4 6. Cxd4 h6 7. Bh4 Be7 8. Cxc6 bxc6 9. e5 Cd5 10. Bxe7).<br />
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As brancas jogam 6.dxc5? Erro. Igualando a posição novamente, não aproveitando o erro. Melhor movimento era 6. d5<br />
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6...Bxc5 7. e5 Db6?? Erro grave. Entrega o cavalo sem nenhuma compensação. O melhor lance era 7...h6.<br />
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8. exf6 Bxf2+ 9. Re2 gxf6 10. Bh6?! (Imprecisão. Melhor movimento era 10. Ca4) Tg8?! (Imprecisão. Melhor movimento era 10...Bc5) 11.g3?! (Imprecisão. Melhor movimento era 11. Ca4) Tg7?? Erro grave. Melhor movimento era 11...Ce5 (11...Ce5 12. Cxe5 fxe5 13. Bg2 Bd4 14. Dd3 Tg6 15. Be3 d5 16. Db5+ Bd7 17. Dxb6 axb6 18. Bxd4). Com esse lance entrega a torre e o bispo de graça caso as brancas atacarem a dama.<br />
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12. Bg2?? Erro grave. Permite às pretas diminuir a vantagem das brancas, que, desperdiçaram a oportunidade de ganhar a partida.<br />
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12...Tg6 13. Bd2?! (Melhor movimento era 13. Ca4) Tg4 14. Rf1 Cd4?? Erro grave. Melhor movimento era 14. Bc5. Permite um ataque duplo na torre, que teria que recuar para a casa de g7 ou g8. Depois o cavalo poderia recuar para d3 ganhando o bispo.<br />
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15. Cxd4?! (Imprecisão. Melhor movimento era 15. Ce5) Dxd4? Erro. Permite as brancas ganhar o bispo e a torre. Melhor movimento era 15...Txd4 (15...Txd4 16. De2 Txd2 17. Dxd2 Bd4 18. Ce2 Be5 19. c3 d6 20. Bf3 Bd7 21. a4 a5 22. Rg2)<br />
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16. Cb5 Dc4+ 17. De2?! (Imprecisão. Melhor movimento era 17. Rxf2) Dxe2+ 18. Rxe2 Rd8?!(Imprecisão. melhor movimento era 18...Bb6) 19. Rxf2 a6 20. Cd6 a5 21. Bf3 Td4 22. Cxf7+ Re7 23. Be3 Tc4 24. Ch6 Txc2+ 25. Be2 Ta6 26. Re1 Tac6 27. Bd3 Txb2 28. Rd1?? Erro grave. Permitiria as pretas capturar um bispo branco. Melhor movimento era 28. Cg8+.<br />
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28...Tb4?? Perde a oportunidade de diminuir a vantagem das brancas. O lance correto era Tc3 que ganhava o bispo de e3.<br />
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29. Tc1 Td6 30. Bc5. E as pretas abandonam. 1-0.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-83137720123445559872020-01-30T14:54:00.002-03:002020-01-30T14:54:44.527-03:00Grupo 3 - Copa Liga Chess - 2ª rodadaMarcio Cantalicio 0 - 1 Cirineu Junior<br />
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1. d4 Cf6 2. Bf4 (Ataque Índio) e6 3. e3 d5 4. Cf3 Cc6 5. Be2 a6 6.c3 Bd6 7. Bxd6?! (Imprecisão. Melhor movimento era 7. O-O)<br />
7...Dxd6 8. O-O O-O 9. Cbd2 e5 10. h3 e4 11. Ch2 Ce7 12. f4? Erro. O melhor movimento era 12. c4, atacando o peão em d5, enfraquecendo a defesa do peão em e4. Esse lance deixa o peão em e3 desprotegido e como um possível alvo de ataque.<br />
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A melhor resposta para as pretas seria o lance 12...Cf5, aproveitando o frágil peão de e3, porém, seguiu-se com 12...Bf5<br />
13. g4 Bd7 14. De1 h6 15. Dh4 Cg6?! (Imprecisão. Melhor movimento era 15...a5)<br />
16. Dg3 c5?! (Imprecisão. Melhor movimento era 16...Ce7)<br />
17. Tf2?! (Imprecisão. Melhor movimento era 17. dxc5)<br />
17...cxd4 18. cxd4 Tac8 19. Cb3 b6?! (Imprecisão. Melhor movimento era 19...Ce7)<br />
20. Bxa6 Ta8 21. Bf1 Ch7 22. f5?? Erro grave. As brancas entregam a dama de graça. O jogo está ganho para as pretas. Melhor movimento era 22. a3.<br />
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As pretas seguem com o lance vencedor 22...Dxg3+<br />
23. Bg2 Ch4 24. Taf1 Cxg2 25. Txg2 Dxe3+ 26. Tgf2 Cg5 27. Rg2 Txa2 28. Cc1 Ta1 29. Te2?! (Imprecisão. Melhor movimento era 29. h4. Nesta posição o xeque-mate é inevitável.<br />
29...Dxd4?! (Sequência de xeque-mate forçado perdida. Imprecisão. A sequência era 29...Dxh3+ 30. Rg1 Tc8 31. Cd3 Cf3+ 32. Rf2 Cxd4 33. Txa1 Dxh2+ 34. Re2 Dg3+ 35. Rxd4 Tc4+ 36. Rxd5 Dxd3+ 37. Re5 f6+ 38. Rf4 Df3#)<br />
30. Cb3 Da4 31. Cxa1 Bb5 32. b3 Da8 33. Tee1 Bxf1+ 34. Txf1 e3 35. Cc2 d4+ 36. Rg1?! (Imprecisão. Melhor movimento era 36. Rg3, temos mate em 1 nessa posição com 36...Cxh3#)<br />
36...e2 37. Te1 (37...Cxh3#) d3 38. Ce3 (38...Cxh3#) 39. Txe2 (39...Cxh3+ 40. Rf1 Dh1#) Td8 40. Cd1 (40...Cxh3+ 41. Rf1 Dh1#) Cf3+ 41. Cxf3 Dxf3 42. Ce3 e as brancas abandonam. 0-1. Mate em 4.<br />
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Possível continuação: 42...d1=D+ 43. Cxd1 Txd1+ 44. Te1 Txe1+ 45. Rh2. Th1#GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-25764613762621985062020-01-20T13:54:00.002-03:002020-01-20T13:54:41.906-03:00Tata Steel Masters - Giri x KovalevAnish Giri (2768) x Vladislav Kovalev (2660)<br />
6ª rodada<br />
1. e4 e5 2. Cf3 Cc6 3. Bc5 Bc4 (Giuoco Piano) 4. c3 Cf6 5. d3 (Variante Moderna) d6 6. Bg5 h6 7. Bh4 a6 8. Cbd2 Ba7 9. O-O O-O 10. a4 g5 11. Bg3 Rg7 12. Te1 Ch7 13. b4 h5 14. h3 h4 15. Bh2 g4 16. hxg4 Bxg4 17. b5 Ce7 18. d4 Cg6 19. bxa6. O lance 19. bxa6 é a novidade nessa posição. Já foi jogado anteriormente o lance 19. Be2. Sendo que, o lance 19. bxa6 é o melhor lance na posição.<br />
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19...bxa6 20. Cf1 exd4 21. cxd4 Bxf3 22. gxf3 f5?? Erro grave. Esse lance permite as Brancas domínio do centro, possibilidade de abrir coluna para a torre e tira uma casa de fuga do rei negro. O melhor lance na posição era 22...Df6, dobrando o ataque em d4 e colocando um ataque em f3, sobrecarregando a dama branca na defesa de dois peões atacados.<br />
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As brancas respondem corretamente com 23. Ce3<br />
23...fxe4 24. fxe4 Dg5+ 25. Rh1 Txf2 26. Cf5+?? Erro grave. As brancas perdem sua vantagem posicional e as negras tem a oportunidade de igualar a partidade aproveitando da vulnerabilidade da posição do rei branco.<br />
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As brancas pretas respondem com o lance que iguala 26...Rh8<br />
27. Tg1 Txh2+ 28. Rxh2 Df4+ 29. Rh3 Cg5+ 30. Txg5 Dxg5 31. Dg1 Cf4+ 32. Rh2 Dxg1+ 33. Txg1 d5 34. Bxd5 Cxd5 35. exd5 Te8 36. Rh3 Bb6 37. Rxh4 Td8 38. Tg5 Rh7 39. Th5+ Rg6 40. Ce7+ Rf6 41. Cc6 Te8 42. Te5 Th8+ 43. Rg4 a5 44. Tf5+ Rg6?? Erro grave. Esse lance perde a partida. O lance correto seria 44...Rg7, oferecendo uma maior resistência para as pretas.<br />
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As brancas seguem com o lance vencedor 45. Ce5+<br />
45...Rg7 46. Tg5+ Rh7 47. Th5+ Rg7 48. Txh8 Rxh8 49. Cc4 Rg7?? Esse lance facilita a vitória das brancas. A posição das pretas já estava perdida após 44...Rg6?? Neste ponto da partida para prolongar um pouco mais um jogo as pretas deveriam ter jogado 49...Bxd4 ou 49...Ba7, mesmo com um desses lances as brancas conseguiriam promover um peão.<br />
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Dois lances vencem imediatamente 50. d6 ou 50. Cxb6, porém, as brancas prolongam a derrota jogando 50. Rf5??<br />
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As pretas tem a oportunidade de prolongar o jogo um pouco mais com os lances já mencionados anteriormente, porém, cometem outro erro grave jogando 50...Rf7??.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzL1B1b1PoSxQzNK5AnfxFN2vT0qBB7yneLNtf9UlNh6-lnr7DOnSX7w6sSpIvpOkoY18EWyV83FZWE1YWNwEahz5BaXxw6CRQ6Hmg4WPO2EG5klUSPHWucReOBd6ZNbc8FbUrRq6Q69M/s1600/erro+6+giri+x+kovalev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzL1B1b1PoSxQzNK5AnfxFN2vT0qBB7yneLNtf9UlNh6-lnr7DOnSX7w6sSpIvpOkoY18EWyV83FZWE1YWNwEahz5BaXxw6CRQ6Hmg4WPO2EG5klUSPHWucReOBd6ZNbc8FbUrRq6Q69M/s320/erro+6+giri+x+kovalev.png" width="318" /></a></div>
Aqui, as brancas jogam um dos lances que imediatamente vencem a partida, 51. d6. E as pretas abandonam. 1-0.<br />
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Uma possível continuação seria: 51...cxd6 52. Cxb6 Re7 53. d5 Rf8 54. Cc8 Rf7 55. Cxd6+ Re7 56. Ce4 Rd7 57. d6 Rd8 58. Re6 Re8 59. Cc5 Rd8 60. d7 Rc7 61. Cb7 Rxb7 62. d8=D Ra6 63. Rd6 Rb7 64. Dxa5 Rb8 65. Rc6 Rc8 66. Da8#</div>
GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-40950393616259735582020-01-20T12:19:00.001-03:002020-01-20T12:19:57.630-03:00Tata Steel Masters - Dubov x ArtemievDaniil Dubov (2683) x Vladislav Artemiev (2731)<br />
6ª rodada<br />
1. e4 c6 (Defesa Caro-Kann) 2. d4 d5 3. e5 (Variante Avançada) Bf5 4. h4 h5 5. c4 e6 6. Cc3 Be7 7. cxd5 cxd5 8. Bd3 Bxd3 9. Dxd3 Cc6 10. Cf3 Ch6 11. Bxh6 Txh6 12. Tc1 Rf8 13. g3 g6 14. O-O Rg7 15. Ca4 Th8 16. Cc5 Bxc5 17. Txc5 Dd7 18. Tfc1 Thc8 19. Dc3 a5 20. a3 a4 21. Ce1 De7 22. Cf3 Dd7 23. Rg2 Tc7? Erro. Este lance desconecta as torres, e, diminui a mobilidade de uma delas. Facilita a entrada das peças brancas na ala do rei. O melhor lance era 23...Ce7, propondo as trocas, e, levando o cavalo mais próximo do rei para defendê-lo em caso de ataque nessa ala.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjhyphenhyphen0PoQi7JKaF9oGkGeNvBRNH_YTq0RXnuS3K73k_GVEk0M3oZ39ywRKWDx1cZSYSVLVGBud00DDAU50Q7Q6eJCo9L3cwOIo9DZQZ7nRr6Nc8qjHJ8_Cof_w62uPezthF76x6U6bOrQyY/s1600/erro+1+dubov+x+artemiev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="448" data-original-width="448" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjhyphenhyphen0PoQi7JKaF9oGkGeNvBRNH_YTq0RXnuS3K73k_GVEk0M3oZ39ywRKWDx1cZSYSVLVGBud00DDAU50Q7Q6eJCo9L3cwOIo9DZQZ7nRr6Nc8qjHJ8_Cof_w62uPezthF76x6U6bOrQyY/s320/erro+1+dubov+x+artemiev.png" width="320" /></a></div>
As brancas continuam com 24. Dc2, a melhor resposta era 24. Cg5, que daria boa vantagem posicional.<br />
24...Dd8 25. Dd1 Td7 26. Cg5 Ta6?? Erro grave. Esse lance facilita o ataque na ala do rei negro. Permite as brancas adquirir vantagem material a longo prazo. O melhor lance na posição era 26...Db6, que, mantém uma igualdade material e uma resistência maior ao ataque na ala do rei.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEie6YDx1_8zdQ6DQLDCUIKpDRPM2hfAxMfJqruJuNon4ujEWnZa2Qv1aWZauH4fMISo_hygoXbjv6Bu3cgvbNTckTrZEbaSm4wTxn-kwqHM9wTr-CFnN1_C7vSzxM93dwBQJhGJkk5YNBo/s1600/erro+2+dubov+x+artemiev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="445" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEie6YDx1_8zdQ6DQLDCUIKpDRPM2hfAxMfJqruJuNon4ujEWnZa2Qv1aWZauH4fMISo_hygoXbjv6Bu3cgvbNTckTrZEbaSm4wTxn-kwqHM9wTr-CFnN1_C7vSzxM93dwBQJhGJkk5YNBo/s320/erro+2+dubov+x+artemiev.png" width="319" /></a></div>
As brancas respondem corretamente com 27. g4 atacando na ala do rei, tentando abrir a posição para atacar o rei negro.<br />
27...Dh8 28. Df3 Tb6?? Erro grave. Esse lance permitiria as brancas forte ataque na ala do rei, podendo ganhar vantagem material o suficiente para vencer a partida. O melhor lance na posição era 28...Ta8.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ97_8zo7OYgsy3sahyphenhyphen8tafuE1XrfXIEKhz3TtCjT6LoRO11bSlf6o1OIZ9TcOnmPcrg5CdPrORrgx5LO2cFWjdXkiHvMuPfKniqd8Xi5lLGXZ-x7bj3UZeoh8ia96mx2FjrxDT8tjSho/s1600/erro+3+dubov+x+artemiev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="447" data-original-width="445" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ97_8zo7OYgsy3sahyphenhyphen8tafuE1XrfXIEKhz3TtCjT6LoRO11bSlf6o1OIZ9TcOnmPcrg5CdPrORrgx5LO2cFWjdXkiHvMuPfKniqd8Xi5lLGXZ-x7bj3UZeoh8ia96mx2FjrxDT8tjSho/s320/erro+3+dubov+x+artemiev.png" width="318" /></a></div>
O lance vencedor para as brancas era 29. Ta5, porém, as brancas perdem a oportunidade de vencer a partida nesse lance e jogam 29. gxh5??. Esse lance dá oportunidade para as pretas defender-se satisfatoriamente, mantendo a igualdade material.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilVClndzTG2d9lKzt-QDuTZwBda7T2fsywLLZG25T-fPsSz3Jd_7c_5FSs6GzBiZ1WcDPFzDa4pE5jRoEZktFfEzUkTR27CxPj3YbwHPpI2YBIFs71o7V6UdQhVuGY0KzxL6SKIVPGONU/s1600/erro+4+dubov+x+artemiev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="446" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilVClndzTG2d9lKzt-QDuTZwBda7T2fsywLLZG25T-fPsSz3Jd_7c_5FSs6GzBiZ1WcDPFzDa4pE5jRoEZktFfEzUkTR27CxPj3YbwHPpI2YBIFs71o7V6UdQhVuGY0KzxL6SKIVPGONU/s320/erro+4+dubov+x+artemiev.png" width="320" /></a></div>
As pretas deveriam responder com 29...gxh5 para manter uma melhor resistência ao ataque das peças brancas, embora, as peças brancas possua vantagem posicional, pois, suas peças possuem mais mobilidade, enquanto, que, as peças pretas estão mais restringidas, porém, elas jogaram 29...Dxh5?? Erro grave. Permite a entrada da dama branca em f6 controlando essa diagonal e tira a dama negra do campo de defesa do rei preto.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidrC2EqYUnxzrDqIrCzBA8aJLGr2xI7ik72g8b7xoub0kD8m9IVb5BMiIMJ2x_m0BmL6r6HEAk5w-fd9rI3tUveQwIpVcgPnc9XSpXgGhMD9IGOhNnRGiSBlHmBgvF4rzySNzhtnZSfRY/s1600/erro+5+dubov+x+artemiev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="445" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidrC2EqYUnxzrDqIrCzBA8aJLGr2xI7ik72g8b7xoub0kD8m9IVb5BMiIMJ2x_m0BmL6r6HEAk5w-fd9rI3tUveQwIpVcgPnc9XSpXgGhMD9IGOhNnRGiSBlHmBgvF4rzySNzhtnZSfRY/s320/erro+5+dubov+x+artemiev.png" width="319" /></a></div>
As brancas respondem corretamente com 30. Df6+<br />
30...Rg8 31. Ta5 Dg4+ 32. Rf1 Cd8?? Erro grave. Aqui a posição é totalmente perdida e o xeque-mate é inevitável. O melhor lance na posição era 32...Ta6.<br />
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As brancas respondem com o lance vencedor 33. Ta8. E as pretas abandonam. 1-0. O cavalo está pregado, o rei não tem como sair da última fileira e a torre está defendendo o cavalo em d8 e o peão em f7. Não há como evitar o mate.<br />
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Possível continuação: 33...Df5 34. Txd8+ Txd8 35. Dxd8+ Rg7 36. Tc8 Db1+ 37. Rg2 Dxb2 38. Df8#<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-87506099169831919432020-01-19T11:59:00.000-03:002020-01-19T11:59:25.901-03:00Tata Steel Masters - Firouzja x GiriAlireza Firouzja (2723) x Anish Giri (2768)<br />
5ª rodada<br />
1. d4 d5 2. c4 e6 (Gambito da Dama Recusado) 3. Cc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. Dc2 Cf6 7. e3 Ch5 8. Be5 Cd7 9. Be2 Cxe5 10. dxe5 g6 11. Bxh5 gxh5 12. Cge2 f6 13. exf6 Bxf6 14. Td1 O-O 15. O-O Rh8. O lance 15...Rh8 é a novidade na posição e o melhor lance. Já foi jogado anteriormente 15...De8.<br />
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16. e4 d4 17. Cf4 Be5 18. Cd3 Bg7 19. Ce2 h4 20. h3 De7 21. e5 Td8 22. f4 Bf5 23. Rh2 De6 24. Cg1 Bh6 25. Cf3 De7 26. Rh1 Bxf4 27. Dc5 Dxc5 28. Cxc5 Bc2 29. Txd4 Txd4 30. Cxd4 Be3 31. Cce6 Bg6 32. Tf3 Bh6 33. Cf5 Bxf5 34. Txf5 Be3 35. Tf3 Te8 36. Txe3 Txe6 37. Rg1 Rg7 38. Rf2 Rg6 39. Te4 Te7 40. Rf3 Rf5 41. Txh4 Rxe5 42. Te4+ Rf6 43. Txe7 Rxe7 44. Rf4 Rf6 45. g4 a5? Erro. O melhor lance seria 45...Rg6 para segurar o avanço dos peões da ala do Rei. Ao avançar o peão em a5 facilitará no futuro um possível ataque do rei branco aos peões da ala da Dama.<br />
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As brancas respondem com o lance vencedor 46. a4<br />
46...h6?? Erro grave. A posição das pretas está perdida. Aqui facilita ainda mais o ataque do rei branco na ala da Dama, pois, o avanço na ala do rei só facilita o avanço do peão na ala do Rei, prendendo o rei preto no impedimento da promoção do peão branco da ala do Rei. O melhor lance nessa posição era 46...Re6.<br />
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As brancas respondem com o lance vencedor 47. h4<br />
47...Re6 48. g5 hxg5+ 49. Rxg5 Rf7 50. Rf5 b5 51. Re5. E as pretas abandonaram. 1-0. E o rei negro não tem como proteger os peões da ala da Dama devido ao peão passado na coluna h.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-16118708179336678662020-01-19T11:12:00.001-03:002020-01-19T11:12:39.926-03:00Tata Steel Masters - Anand x XiongViswanathan Anand (2758) x Jeffery Xiong (2712)<br />
5ª rodada<br />
1. e4 e6 (Defesa Francesa) 2. d4 d5 3. Cc3 Bb4 (Variante Winawer) 4. e5 Ce7 5. a3 Bxc3+ 6. bxc3 c5 7. Dg4 Rf8 8. h4 h5. O lance 8...h5 é uma novidade na posição. Já foram jogados os lances 8...Dc7; 8...Da5; 8...b6; 8...Cbc6; 8...h6 e 8...Rg8. O melhor lance na posição é 8...b6, seguidos dos lances 8...h6, 8...Da5 e 8...Dc7.<br />
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9. Dd1 b6 10. Bg5 Dc7 11. Th3 cxd4? Erro. Vantagem posicional para as Brancas. O melhor lance na posição era 11...Cf5 que igualava.<br />
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As brancas seguem corretamente com 12. cxd4<br />
12...Cf5 13. c3 Ba6 14. Bxa6 Cxa6 15. Ce2 Cb8 16. Cf4 g6 17. g4 hxg4 18. Dxg4 Cd7 19. Tc1 Tg8? Erro. Aumenta a vantagem posicional das brancas deixando a posição das pretas mais restringida. O melhor lance na posição era 19...Re8.<br />
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As brancas seguem corretamente com 20. h5<br />
20...gxh5 21. Dxh5 Dc4 22. Ce2?? Erro grave. Permite as pretas igualar a partida. O melhor lance na posição era 22. Rd2.<br />
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As pretas respondem corretamente com 22...Tc8, colocando a torre na coluna semiaberta.<br />
23. Tf3 Tc6 24. Cg3 Re8 25. Cxf5 exf5 26. Txf5 Tcg6 27. Rd2 Cf8 28. Be3 Ce6 29. De2 Da2+ 30. Tc2 Db1?? Erro grave. Nesta posição, as brancas possuem boa vantagem posicional. O melhor lance seria 30...Dc4.<br />
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As brancas respondem corretamente com 31. c4<br />
31...Tg4 32. cxd5 Txd4+ 33. Bxd4 Dxc2+ 34. Rxc2 Cxd4+ 35. Rd3 Cxe2 36. Rxe2 Tg4 37. f4 Tg3 38. Tg5 Txa3 39. Tg8+ Rd7 40. Tf8 Re7 41. Tb8 Rd7 42. Tb7+ Re8 43. d6. E as pretas abandonam. 1-0. Nessa posição é impossível evitar a promoção do peão de d. E as brancas ficam com grande vantagem material.GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-43574599374767993142020-01-19T10:11:00.001-03:002020-01-19T10:11:26.611-03:00Tata Steel Masters - So x FirouzjaWesley So (2765) x Alireza Firouzja (2723)<br />
4ª rodada<br />
1. d4 d5 2. c4 dxc4 (Gambito da Dama Aceito) 3. Cf3 Cf6 4. e3 e6 5. Bxc4 c5 (Variante Clássica) 6. O-O a6 7. b3 cxd4 8. Cxd4 Be7 9. Bb2 O-O 10. Be2 Bd7 11. Cd2 Cc6 12. Tc1 Tc8. O lance 12...Tc8 é a novidade na posição. Já foram jogados os lances 12...Cxd4 (ligeiramente melhor que o lance jogado e melhor lance na posição) e 12...Dc7.<br />
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13. C4f3 b5 14. a3 Db6 15. Tc2 e5 16. Bd3 Tfd8 17. De2 Bg4 18. Tfc1 Ca7? Erro. Permite às brancas tomarem a iniciativa no jogo e obter ligeira vantagem na posição. O peão central fica fraco e está sem defesa no momento. O melhor lance na posição seria 18...Db7.<br />
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O melhor lance na posição seria capturar o peão central indefeso com 19. Bxe5, porém, foi jogado o lance 19. Txc8, também, considerado um bom lance.<br />
19...Txc8 20. Txc8+ Cxc8 21. h3 Bxf3 22. Dxf3 Dd8 23. De2 Dd5 24. Bc2 Cd6 25. Dd3 Dxd3 26. Bxd3 Cd7 27. g4 g6 28. Ce4 Cxe4 29. Bxe4 Cc5 30. Bc2 e4? Erro. O peão está defendido apenas pelo cavalo que pode ser expulso da sua casa no próximo lance, caindo o peão negro central. O melhor lance na posição era 30...Bf6<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfOwwUz1Ghyphenhyphenagy-WRvl0UejBlhUKg8XXvcCcpLDwKfj7xQfPjgljTpkczu69YxePYlhWJKMQpMNepMTt3PmVj89NgXUKDmHLO4PpS_rEqGdw6qiAunQ5E_OXo2nGv-eK6AjmIXkNc80lU/s1600/erro+2+so+x+firouzja.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="447" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfOwwUz1Ghyphenhyphenagy-WRvl0UejBlhUKg8XXvcCcpLDwKfj7xQfPjgljTpkczu69YxePYlhWJKMQpMNepMTt3PmVj89NgXUKDmHLO4PpS_rEqGdw6qiAunQ5E_OXo2nGv-eK6AjmIXkNc80lU/s320/erro+2+so+x+firouzja.png" width="317" /></a></div>
As brancas respondem corretamente com 31. b4<br />
31...Cd3 32. Bc3 Rf8 33. Rf1 f5 34. Re2 Bd8 35. Bxd3 exd3+ 36. Rxd3 Rf7 37. e4 fxg4? Erro. Permite o apoio do peão da coluna f ao peão da coluna e, que torna-se um peão passado. O melhor lance na posição era 37...f4, impedindo o apoio do peão da coluna f.<br />
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As brancas respodem corretamente com 38. hxg4<br />
38...g5?? Erro grave. Permite ao rei negro avançar tranquilamente pelo centro e capturar os indefesos peões da ala da Dama negra. O melhor lance na posição era 38...h5<br />
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As brancas respondem com o lance vencedor 39. Rd4<br />
39...Bb6+ 40. Rd5 Bxf2 41. Rc6 Rbe6 42. Rb7 Rd7 43. Rxa6 Rc6 44. e5 Be3?? Erro grave. O rei está preso defendendo o peão de b6, o peão de g5 está indefeso e as brancas podem avançar com o peão na coluna e. O melhor lance na posição era 44...h6, defendendo o peão de g5.<br />
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As brancas respondem corretamente com 45. e6<br />
45...Bc1 46. a4 bxa4 47. Be5 Rd5. E as pretas abandonam. 1-0. No próximo lance, as pretas jogam 48. e7 e depois promovem o peão ganhando o jogo facilmente.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-12885578520675445232020-01-18T13:17:00.001-03:002020-01-18T13:17:20.442-03:00Tata Steel Masters - Artemiev x KovalevVladislav Artemiev (2731) x Vladislav Kovalev (2660)<br />
4ª rodada<br />
1. d4 Cf6 2. c4 e6 3. Cc3 Bb4 (Defesa Ninzoíndia) 4. Bd2 O-O 5. Cf3 b6 6. e3 d5 7. Tc1 Ba6 8. Da4 c5 9. cxd5 Bxf1 10. Txf1 exd5 11. Re2 Cbd7. O lance 11...Cbd7 é uma novidade na posição, sendo jogado antes o lance 11..a6, sendo que, a novidade 11...Cbd7 é o melhor lance na posição.<br />
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12. Tfd1 De7 13. Rf1 Tfc8 14. Da6 De6 15. Ce2 Bxd2 16. Cxd2 Df5 17. h3 Cf8 18. Cf3 Dd7 19. Ce5 Dc7 20. Rg1 Ce6 21. Tc2 Tab8 22. Db5 a6 23. Dxa6 Ta8 24. Dd3 Txa2 25. Df5 Tca8 26. Cc3 Ta1 27. Td2 cxd4 28. exd4 Txd1+ 29. Txd1 Te8 30. Cf3 Dc4 31. g4 h6 32. h4 Db3 33. Td2 b5 34. g5 hxg5 35. hxg5 Ch7? Erro que permite as brancas vantagem na posição. O melhor lance era 35...b4.<br />
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A melhor resposta das brancas era 36. g6 (obrigando a troca de peões, com a dama ocupando a casa de g6 atacando a torre), porém, foi jogado 36. Cxd5<br />
36...g6 37. Cf6+ Cxf6 38. Dxf6 Dd5. 39. Te2 Td8?? Erro grave. Com esse lance, a torre negra fica atacada pela dama branca, obrigando a dama negra a defendê-la, esse lance lance permite um sacrifício de material para obter vantagem posicional e um bom ataque.<br />
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As brancas seguem corretamente com 40. Txe6<br />
40...fxe6 41. Ce5 Tf8 42. Dxg6+ Rh8 43. Dh6 Rg8 44. Cg6 e as pretas abandonam. 1-0.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5sufyQtDQd7Rcu9ygtDsv93aZ5-sVBTM0KHSZueazVn8nLpAyHGAs_43vnapzrMm-0c6FNCOGGzo-ZEMava5Np3M08YbxnrqpHm0sUK2BFva2xkL88UPKsOEz6O1XDGCS5eeAH33b2c0/s1600/pos+final+artemiev+x+kovalev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="444" data-original-width="445" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5sufyQtDQd7Rcu9ygtDsv93aZ5-sVBTM0KHSZueazVn8nLpAyHGAs_43vnapzrMm-0c6FNCOGGzo-ZEMava5Np3M08YbxnrqpHm0sUK2BFva2xkL88UPKsOEz6O1XDGCS5eeAH33b2c0/s320/pos+final+artemiev+x+kovalev.png" width="320" /></a></div>
Possível continuação: 44...Dd8 45. Cxf8 Dxf8 46. Dxg6+ Df7 47. Dxf7+ Rxf7 48. d5 Re7 49. g6 Rf6 50. d6 Re6 51. g7 Rf7 52. d7 Rxg7 53. d8=D Rf7 54. Rg2 b4 55. b3 Rg7 56. f4 Rg6 57. Rg3 Rg7 58. De7+ Rg6 59. Rg4 Rh6 60. Rf5 Rh5 61. Dh7#GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-16928804323084066092020-01-18T11:59:00.000-03:002020-01-18T12:43:39.960-03:00Liga Chess - Série C1ª Rodada<br />
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Event "Liga Chess - Série C"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Site "<a href="https://lichess.org/nFJHaMaU">https://lichess.org/nFJHaMaU</a>"]</span></span></div>
<div style="text-align: left;">
<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Date "2020.01.18"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Round "1"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[White "VilarChess"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Black "cirineujunior"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Result "0-1"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[UTCDate "2020.01.18"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[UTCTime "14:17:26"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[WhiteElo "1543"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[BlackElo "1505"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[WhiteRatingDiff "-34"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[BlackRatingDiff "+60"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Variant "Standard"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[TimeControl "900+5"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[ECO "B30"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Opening "Sicilian Defense: Nyezhmetdinov-Rossolimo Attack"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Termination "Normal"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;">[Annotator "<a href="http://lichess.org/">lichess.org</a>"]</span></span></div>
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<span style="color: #4d4d4d; font-family: monospace;"><span style="background-color: white; font-size: 14px; white-space: pre;"><br /></span></span></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;">1. e4 c5 2. Nf3 Nc6 3. Bb5 { B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack } a6?! { (0.13 → 0.80) Inaccuracy. Best move was g6. } (3... g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5) 4. Ba4?? { (0.80 → -2.91) Blunder. Best move was Bxc6. } (4. Bxc6 dxc6 5. d3 Qc7 6. O-O e5 7. a4 Ne7 8. a5 Ng6)</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDEOv9VKgJhvGJs2b4zT4Gcg7ZUNaphb3jZVjKnIbhO0IcEDCyDwbmzSE90s4ZAcX5UkkaN0S07NQuBpTiLyiVThC1DNXC2D2U4VJ2kU-sLVx_acklisSDX855SUkNjM3Z5sWIJ6uCch0/s1600/erro+1+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="458" data-original-width="459" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDEOv9VKgJhvGJs2b4zT4Gcg7ZUNaphb3jZVjKnIbhO0IcEDCyDwbmzSE90s4ZAcX5UkkaN0S07NQuBpTiLyiVThC1DNXC2D2U4VJ2kU-sLVx_acklisSDX855SUkNjM3Z5sWIJ6uCch0/s320/erro+1+washington+x+cirineu.png" width="320" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 4... e6?? { (-2.91 → 0.35) Blunder. Best move was b5. } (4... b5 5. Bb3 c4 6. d4 d5 7. exd5 Qxd5 8. Nc3 Qf5 9. Nh4) </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQ8QTL_jfCogUiu8IOuLTr4VUg1-Ad6UgNhl2kDRUFlK7RcYfMBgIgLR3ht4IRXux5IOqXCwhzxElxeBOjVlT6jV1BQ7vhlFbMIwT-xrmXmFSbPoGEC1OFJMkRT5GPfR_5Z40JfldoB7k/s1600/erro+2+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="460" data-original-width="460" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQ8QTL_jfCogUiu8IOuLTr4VUg1-Ad6UgNhl2kDRUFlK7RcYfMBgIgLR3ht4IRXux5IOqXCwhzxElxeBOjVlT6jV1BQ7vhlFbMIwT-xrmXmFSbPoGEC1OFJMkRT5GPfR_5Z40JfldoB7k/s320/erro+2+washington+x+cirineu.png" width="320" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;">5. Bxc6 bxc6 6. O-O d5?! { (0.05 → 0.72) Inaccuracy. Best move was Ne7. } (6... Ne7 7. b3 Ng6 8. Bb2 d6 9. d3 e5 10. Nbd2 Be7 11. Nc4 O-O 12. Ne3 Bd7 13. Nd2) 7. d3 Be7 8. c4 Bb7 9. Qb3 Rb8? { (0.71 → 1.81) Mistake. Best move was Ra7. } (9... Ra7 10. Bf4 Nf6 11. h3 Nd7 12. Re1 a5 13. a4 O-O 14. Nbd2 h6 15. Bg3 Qb6 16. Qxb6)</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7rW4GrYzFe0HyI9z5u232_EfKAjTVpbb1-IfIGKNzyp-9bktH9d-6pmOCV1DLsZG4QTXy0_PQ2Nnuo_osLfx5XNBZjeuT-BTwj-a5ClgJj_rMODc-cr0RrfOpV6mMy0GkVb0chJL81WA/s1600/erro+3+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="461" data-original-width="462" height="319" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7rW4GrYzFe0HyI9z5u232_EfKAjTVpbb1-IfIGKNzyp-9bktH9d-6pmOCV1DLsZG4QTXy0_PQ2Nnuo_osLfx5XNBZjeuT-BTwj-a5ClgJj_rMODc-cr0RrfOpV6mMy0GkVb0chJL81WA/s320/erro+3+washington+x+cirineu.png" width="320" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 10. Bf4 Bd6 11. e5?! { (1.88 → 1.19) Inaccuracy. Best move was Bxd6. } (11. Bxd6 Qxd6) 11... Bc7 12. Re1 Bc8 13. Qa3 Rb4? { (0.83 → 2.10) Mistake. Best move was Ne7. } (13... Ne7)</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEHjbqNiDAk90Nez0t2XyrzQlPhmhyp6wSc3isChdg3ZCyfK8dgMZApoMINUX_DGK-0tXoy0Q4wLqRc5jXaXZq-N6WHrUkQODUhgtHh38Z6GeaxxOTsjBIUakBMhuz0KacyyzQs9NJh5I/s1600/erro+4+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="457" data-original-width="458" height="319" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEHjbqNiDAk90Nez0t2XyrzQlPhmhyp6wSc3isChdg3ZCyfK8dgMZApoMINUX_DGK-0tXoy0Q4wLqRc5jXaXZq-N6WHrUkQODUhgtHh38Z6GeaxxOTsjBIUakBMhuz0KacyyzQs9NJh5I/s320/erro+4+washington+x+cirineu.png" width="320" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 14. Nc3 dxc4? { (2.08 → 3.47) Mistake. Best move was Ne7. } (14... Ne7 15. Na4)</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjX35BDGMF5ZSlvTNCa-SMvfccPQyZJu_9ivRZU7uFtLIF24-WTFgdgHU_JI_eDJ2Tk92ziQMw1581GcHI2AVYPIqFRshyphenhyphenkx6Mq0UVOdPu9YPZ4Twf46BMWOKw9KK0urPfpXPdhbQGSN8o/s1600/erro+5+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="459" data-original-width="458" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjX35BDGMF5ZSlvTNCa-SMvfccPQyZJu_9ivRZU7uFtLIF24-WTFgdgHU_JI_eDJ2Tk92ziQMw1581GcHI2AVYPIqFRshyphenhyphenkx6Mq0UVOdPu9YPZ4Twf46BMWOKw9KK0urPfpXPdhbQGSN8o/s320/erro+5+washington+x+cirineu.png" width="319" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 15. dxc4 Rxc4 16. Be3 f6? { (3.00 → 5.07) Mistake. Best move was Ne7. } (16... Ne7 17. Rad1)</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlQWvuO0nzxUUq4-VzIiKNSuOuN-uXyLFM0BCL9MvbWW1YnM6QAi7fgHGf4KQw9teLQ11opfb_cy_KgGXszFEUTqYDVpYbRQ2nH9XPtCzXJWtBhhlHPmmKeozKedui8sRvszaX8wsTl7A/s1600/erro+6+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="460" data-original-width="460" height="319" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlQWvuO0nzxUUq4-VzIiKNSuOuN-uXyLFM0BCL9MvbWW1YnM6QAi7fgHGf4KQw9teLQ11opfb_cy_KgGXszFEUTqYDVpYbRQ2nH9XPtCzXJWtBhhlHPmmKeozKedui8sRvszaX8wsTl7A/s320/erro+6+washington+x+cirineu.png" width="320" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 17. Bxc5?! { (5.07 → 3.71) Inaccuracy. Best move was Rad1. } (17. Rad1 Qe7 18. Qb3 Rb4 19. Qc2 Ba5 20. a3 Rc4 21. Qd3 Rxc3 22. bxc3 Bb6 23. Bf4 f5) 17... Bxe5?! { (3.71 → 5.16) Inaccuracy. Best move was Ne7. } (17... Ne7 18. Rad1) 18. Nxe5 fxe5 19. Rad1 Qg5?! { (4.85 → 7.63) Inaccuracy. Best move was Qc7. } (19... Qc7 20. Bd6) 20. Be3? { (7.63 → 4.08) Mistake. Best move was Bb6. } (20. Bb6 c5 21. Rd8+ Qxd8 22. Bxd8 Kxd8 23. Ne4 Kd7 24. Qg3 Ne7 25. Qxe5 Rxe4 26. Rxe4 Ke8) </span></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;">20... Qg6? { (4.08 → 10.10) Mistake. Best move was Qe7. } (20... Qe7 21. Qa5 Nf6 22. b3 Rd4 23. Bxd4 exd4 24. Rxd4 O-O 25. Qe5 Bd7 26. Ne4 Nd5 27. Rc4)</span></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 21. b4?? { (10.10 → 1.80) Blunder. Best move was Qa5. } (21. Qa5 Qf6) </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidq4R1-R2uhI6B7VZAuGJF61d-T4O-xO_kn44FRMVjKdL-M3pxRezrprnJd-U8EVCns08TAZpebwQFqs0haUw9VpD_na4WD3I_WBZABJZ2wSlXwNZyKYykxPzOdNOJmY1Yr8afIhbPXrY/s1600/erro+9+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="459" data-original-width="460" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidq4R1-R2uhI6B7VZAuGJF61d-T4O-xO_kn44FRMVjKdL-M3pxRezrprnJd-U8EVCns08TAZpebwQFqs0haUw9VpD_na4WD3I_WBZABJZ2wSlXwNZyKYykxPzOdNOJmY1Yr8afIhbPXrY/s320/erro+9+washington+x+cirineu.png" width="320" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;">21... Bb7?? { (1.80 → 7.67) Blunder. Best move was Nf6. } (21... Nf6 22. Bc5)</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQsHToo12G0MgWwGwBahJf1G8yzpvntHl7JA9fztoFbxPLwCQWQc_HtyhroWzkEVOCtdOK9bUCH28pMeOH9iqCRYdzgs4Jd5C8ZahphFRoVAetr-reRUqvjMwLJ2zmyIRLAKXRokpjPm0/s1600/erro+10+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="461" data-original-width="459" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQsHToo12G0MgWwGwBahJf1G8yzpvntHl7JA9fztoFbxPLwCQWQc_HtyhroWzkEVOCtdOK9bUCH28pMeOH9iqCRYdzgs4Jd5C8ZahphFRoVAetr-reRUqvjMwLJ2zmyIRLAKXRokpjPm0/s320/erro+10+washington+x+cirineu.png" width="318" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 22. Qa5 c5? { (7.57 → Mate in 5) Checkmate is now unavoidable. Best move was Qf6. }</span><span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;">(22... Qf6 23. Qc7)</span></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 23. Qd8+ Kf7 24. Qc7+?? { (Mate in 4 → 5.47) Lost forced checkmate sequence. Best move was Rd7+. } (24. Rd7+ Ne7 25. Qxe7+ Kg8 26. Rd8+ Qe8 27. Rxe8#) </span></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;">24... Ne7 25. Qxb7 Rxc3 26. Bxc5 Re8 27. Rd8 Qg5 28. h3?? { (4.36 → -5.41) Blunder. Best move was Rxe8. } (28. Rxe8 Kxe8 29. Qxa6 Qd2 30. Rf1 Rc1 31. a4 Rxf1+ 32. Qxf1 Nc6 33. h3 Kf7 34. a5 Nxa5) </span></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;">28... Rxh3?? { (-5.41 → 7.93) Blunder. Best move was Rxd8. } (28... Rxd8 29. a4 a5 30. Be3 Qh4 31. bxa5 Qxa4 32. a6 Rd7 33. Qf3+ Kg8 34. Qe2 Nd5 35. Qh5)</span></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 29. Be3?? { (7.93 → -5.57) Blunder. Best move was Rxe8. } (29. Rxe8 Kxe8 30. Bxe7 Qxe7 31. Qb8+ Qd8 32. Qxd8+ Kxd8 33. gxh3 e4 34. Rxe4 Ke7 35. Re5 Kd6)</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8E-bQ0Ppsb0P34rguqBBqoQNmZprxrLIpOPEFsra6UGRG0c-vHLIbws6Gpa6MUeTuNPjq1Zs-DnpNC8bGeF4wx7jhEGNwK9g2SfY3Jjr_zNR31sLbfp4G2PC7Er4Fv2-hkyJ8GmIC248/s1600/erro+15+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="459" data-original-width="464" height="315" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8E-bQ0Ppsb0P34rguqBBqoQNmZprxrLIpOPEFsra6UGRG0c-vHLIbws6Gpa6MUeTuNPjq1Zs-DnpNC8bGeF4wx7jhEGNwK9g2SfY3Jjr_zNR31sLbfp4G2PC7Er4Fv2-hkyJ8GmIC248/s320/erro+15+washington+x+cirineu.png" width="320" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 29... Rxe3 30. fxe3 Rxd8 31. Qxa6?! { (-5.49 → -7.51) Inaccuracy. Best move was Rf1+. } (31. Rf1+ Kg6 32. Qxa6 Qg4 33. Qb7 Rd2 34. Qf3 Qxf3 35. Rxf3 Rxa2 36. Rg3+ Kf7 37. Rf3+ Kg8) 31... Nd5?! { (-7.51 → -4.78) Inaccuracy. Best move was Nf5. } (31... Nf5 32. Qb7+ Kg8 33. Qa6 Kh8 34. Qxe6 Qg3 35. Qxf5 Qxe1+ 36. Kh2 Qxe3 37. b5 Qd4 38. b6) 32. e4?? { (-4.78 → Mate in 12) Checkmate is now unavoidable. Best move was a4. } (32. a4 Nf6)</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgE9azq81v446jqT0vjf_o6avM6dbB_5mCT1wlgXhLsXuYdygfuxeixPVu54xG21jEk32fwhK6cUgiCFLO6RnTMhcjtS43mATiHSzpbPTm5AnfC_QPMoudsg0RNzX6t-oqugSrVWbZTv88/s1600/erro+16+washington+x+cirineu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="458" data-original-width="460" height="317" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgE9azq81v446jqT0vjf_o6avM6dbB_5mCT1wlgXhLsXuYdygfuxeixPVu54xG21jEk32fwhK6cUgiCFLO6RnTMhcjtS43mATiHSzpbPTm5AnfC_QPMoudsg0RNzX6t-oqugSrVWbZTv88/s320/erro+16+washington+x+cirineu.png" width="320" /></a></div>
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<span style="background-color: #edebe9; color: #4d4d4d; font-family: monospace; font-size: 12.6px; white-space: pre-wrap;"> 32... Nf4 { White resigns. } 0-1</span></div>
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<span style="background-color: white; color: #4d4d4d; font-family: monospace; font-size: 14px; text-align: center; white-space: pre;">Possível continuação: 33. Df1 Td2 34. Df3 Txg2+ 35. Rf1 Dh4 36. Dxg2 Cxg2 37. Rxg2 Dxe1 </span><br />
<span style="background-color: white; color: #4d4d4d; font-family: monospace; font-size: 14px; text-align: center; white-space: pre;">38. b5 Dxe4+ 39. Rf2 Dc2+ 40. Re3 Dxa2 41. Rd3 Dd5+ 42. Rc3 e4 43. Rb4 e3 44. Ra5 e2 </span><br />
<span style="background-color: white; color: #4d4d4d; font-family: monospace; font-size: 14px; text-align: center; white-space: pre;">45. Rb6 Da8 46. Rc7 e1=D 47. Rd6 Dc3 48. b5 Dd5#</span></div>
GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-80817429359206742692020-01-17T18:11:00.001-03:002020-01-17T18:11:58.458-03:00Tata Steel Masters - Van Foreest x DubovJorden Van Foreest (2644) x Daniil Dubov (2683)<br />
3ª rodada<br />
1. e4 c5 (Defesa Siciliana) 2. Cf6 Cc3 3. c3 Cf6 4. e5 Cd5 (Variante Alapin) 5. Bc4 Cb6 6. Bb3 c4 7. Bc2 d5 8. exd6 Dxd6 9. O-O g6 10. Ca3 Bg7 11. b3 cxb3 12. axb3 O-O 13. d4 Bg4 14. h3 Bxf3 15. Dxf3 e5 16. Cb5 Dd7 17. Td1 a6. O lance 17...a6 é uma novidade na posição, sendo o melhor lance possível. Já foi jogado nessa posição o lance 17...exd4.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim1n57BJfOULERuvwe7Nc5qd4gUNcFSQ3knYBBRRq8uGKw4F1pJyWQVAbaS0W5mgXevMiGEQVZp2Fgt3JzfprEZgqGUPvW602vbofxCY19NybEW9Bk1FmgT1HTYGLSjowbnhC7F5dyTgE/s1600/nov+van+x+dubov.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="447" data-original-width="447" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim1n57BJfOULERuvwe7Nc5qd4gUNcFSQ3knYBBRRq8uGKw4F1pJyWQVAbaS0W5mgXevMiGEQVZp2Fgt3JzfprEZgqGUPvW602vbofxCY19NybEW9Bk1FmgT1HTYGLSjowbnhC7F5dyTgE/s320/nov+van+x+dubov.png" width="320" /></a></div>
18. d5 Cb4 19. Ca3 Cxc2 20. Cxc2 Tac8 21. c4 f5 22. Ba3 Tf7 23. Tac1 Te8 24. c5 e4 25. De2 Cc8 26. Dc4 Ca7 27. Cd4 f4?? Erro grave. As brancas ameaçam criar um peão passado na coluna c. O melhor lance seria 27...De7.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUT8BLXugJxgg-NGssLb8Su8vh3rJGeSY1dYF6fA22VksOXoaRAOiDuyNMrJC4j-KFgAMUCknjBB-vFUm22NnfTlvE-RlEY5g0ZNREmmfAHMnQ7laNFYTR21NnVPocy2l9LYMlG-90YfA/s1600/erro+1+van+x+dubov.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUT8BLXugJxgg-NGssLb8Su8vh3rJGeSY1dYF6fA22VksOXoaRAOiDuyNMrJC4j-KFgAMUCknjBB-vFUm22NnfTlvE-RlEY5g0ZNREmmfAHMnQ7laNFYTR21NnVPocy2l9LYMlG-90YfA/s320/erro+1+van+x+dubov.png" width="318" /></a></div>
As brancas deveriam aproveitar o erro das pretas e jogar 28. c6, porém, o lance jogado foi 28. Ce6.<br />
28...Cb5 29. Bb4 e3 30. Cg5 exf2+?? Erro grave. Permite as brancas aumentar sua vantagem posicional. O lance que seguraria melhor a posição era 30...Df5.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXDUa03XnI6D1sIBgUGHUgDqyCVtXsYs1GSqTjdloh6mMlCZEA5Hlth6G6MT55KIR92E93JsoVwfpH_QKc9IASlwthMCZhFoh4hJqsRslidCR2hKfuJxVXbPTT1xoWURXj6UAqIwaL6B0/s1600/erro+2+van+x+dubov.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="445" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXDUa03XnI6D1sIBgUGHUgDqyCVtXsYs1GSqTjdloh6mMlCZEA5Hlth6G6MT55KIR92E93JsoVwfpH_QKc9IASlwthMCZhFoh4hJqsRslidCR2hKfuJxVXbPTT1xoWURXj6UAqIwaL6B0/s320/erro+2+van+x+dubov.png" width="319" /></a></div>
As brancas respondem com 31. Rxf2. O lance 31. Rf1 é ligeiramente melhor.<br />
31...Df5 32. Cxf7 Te4 33. c6?? Erro grave, tentativa de criar um peão passado sacrificando desnecessariamente a dama. O melhor lance seria o simples 33. Dc2.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjc28PSZ5uaRYL07bHR8G5R69Wrws8MQEqru_Ii0cVxxNi5No8N59tTF1Ok5sjClNORA4e6THqCx1uKSck3o5vPtxVHLM8yMq_1IE7z_5mucTmoSpd0Xg3T5hBpAZsI4mSBYqIv1pooYKE/s1600/erro+3+van+x+dubov.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="448" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjc28PSZ5uaRYL07bHR8G5R69Wrws8MQEqru_Ii0cVxxNi5No8N59tTF1Ok5sjClNORA4e6THqCx1uKSck3o5vPtxVHLM8yMq_1IE7z_5mucTmoSpd0Xg3T5hBpAZsI4mSBYqIv1pooYKE/s320/erro+3+van+x+dubov.png" width="320" /></a></div>
O melhor lance para as pretas é aceitar o sacrifício das brancas com 33...Txc4, porém, nessa posição crítica, elas optam por tomar o cavalo com 33...Rxf7?? e a posição das pretas está perdida.<br />
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As brancas seguem com o lance vencedor 34. cxb7<br />
34...Txc4 35. bxc4?? Erro grave. O correto seria 35. Txc4 para facilitar o apoio da torre ao peão passado.<br />
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O lance 35...Be5, evitando a promoção do peão em c8, equilibraria a partida, porém, as brancas jogam 35...De5?? Erro grave, pois, a dama é facilmente atacada nessa diagonal.<br />
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As brancas respondem corretamente com 36. cxb5, não permitindo a dama ir para a casa c7.<br />
36...Db2+?? Erro grave. Lance de desespero. O contra-ataque negro é fraco, seria um pouco melhor se fosse dado na casa e3 (36...De3+), defendendo o bispo quando colocado na casa de e5 para segurar a promoção do peão.<br />
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As brancas respondem corretamente com 37. Rf1<br />
37...Be5 38. d6 f3 39. gxf3 Db3 40. Re2 De6?? Erro grave. A posição das pretas está perdida. Melhor seria 40...Bf4, ameaçando 41...De3+.<br />
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As brancas seguem corretamente com 42. Tc7+<br />
42...Rf6 43. b8=D Bf4+ 44. Rd3 Dd5+ 45. Rc2 Da2+ 46. Rc3 Be5+ 47. Rd3 Db3+ 48. Re4. E as pretas abandonaram, pois, os xeques estavam acabando e a vantagem material das brancas é muito superior. 1-0.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-44701301563091710902020-01-17T16:54:00.000-03:002020-01-17T16:54:18.887-03:00Tata Steel Masters - Firouzja x ArtemievAlireza Firouzja (2723) x Vladislav Artemiev (2731)<br />
3ª rodada<br />
1. e4 c6 (Defesa Caro-Kann) 2. d4 d5 3. e5 (Variante Avançada) Bf5 4. h4 h5 5. c4 e6 6. Cc3 Ce7 7. Cge2 Cd7 8. Cg3 Bg6 9. Bg5 Db6 10. Tc1 dxc4 11. Bxc4 Cf5? Erro, permite as brancas ganharem vantagem posicional. O lance que igualava era 11...Dxb2. A melhor resposta das brancas é o que foi jogado na partida, o lance 12. O-O, uma novidade na posição. Já havia sido jogado 12. Cxf5 (ligeiramente inferior).<br />
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12...Be7 13. Cxf5 Bxf5 14. Bxe7 Rxe7 15. Dd2 Dd8 16. Cd1 Cb6 17. Ce3 Rf8 18. Cxf5 exf5 19. Bb3 Dxh4 20. Tfe1 Th6 21. e6 fxe6 22. Bxe6 Te8 23. Bxf5 Txe1+ 24. Txe1 Dd8 25. Dd3 Rf7?? Erro grave. O melhor lance na posição era 25...Cd5 (com a ideia de jogar 26...Cf6 para ajudar na defesa do rei exposto). O lance jogado só ajuda no ataque das peças inimigas.<br />
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As brancas respondem corretamente com 26. Df3 (abrindo a possibilidade de dar um ataque descoberto).<br />
26...Df6 27. Db3+ Rf8 28. Da3+ Dd6 29. De3 Dd8 30. De4 Tf6?? Erro grave. As brancas ameaçam jogar 31. Bg6 atacando com três peças a casa de e8. O melhor lance era 30...Cd5 com a ideia de jogar 31...Cc7 defendendo a casa de e8.<br />
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As brancas respondem corretamente com 31. Bg6<br />
31...Rg8 32. Dh4 Dd5 33. Te8+ Tf8 34. De7 Cd7 35. Bc2 Dxd4? Erro. As brancas possuem grande vantagem posicional e ameaçavam jogar 36. Bb3+, ganhando a dama. O melhor lance na posição era 35...Dxa2, entregando o cavalo, a saída da dama desta diagonal permite a entrada da dama nesta diagonal com xeque e forte ataque.<br />
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As brancas respondem com 36. Txf8+ (melhor seria 36. De6+ ou 36. Bb3+)<br />
36...Cxf8 37. Bb3+ Rh7 38. Dxf8 Dxb2 39. Bg8+ Rh6 40. Df4+ g5 41. Dd6+ Rg7 42. Bb3 Da1+ 43. Rh2 Df6 44. Dxf6+? Erro. A troca de damas dificulta a vitória das brancas, pois, apesar de ter o bispo de vantagem, tem uma minoria de peões. O melhor lance era 44. Dd7+, recusando a troca.<br />
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As pretas jogam 44...Rxf6<br />
45. Rg3 b5 46. Bd1 h4+ 47. Rg4 c5 48. f4 gxf4 49. Rxf4 Re6?? Erro grave. Abandona a ala do rei para jogar na ala da dama, facilitando para as brancas. O melhor lance era 49...Rg6.<br />
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As brancas seguem com o lance vencedor 50. Rg4<br />
50...a5 51. Rxh4 a4 52. g4 c4 53. g5 a3 54. Be2 Rf5 55. Rh5 Re4 56. g6 c3 57. Bd1 Rd5. E as pretas abandonam. 1-0. Não tem como evitar a promoção do peão da coluna g. Enquanto, que, o peão da coluna c pode ser parado pelo bispo branco.<br />
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GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-5677206786754757662020-01-17T15:51:00.002-03:002020-01-17T15:51:23.247-03:00Tata Steel Masters - Caruana x YuFabiano Caruana (2822) x Yangyi Yu (2726)<br />
3ª rodada<br />
<br />
1. e4 e5 2. Cf3 Cf6 (Defesa Petroff) 3. d4 (Variante Steinitz) Cxe4 4. Bd3 d5 5. Cxe5 Cd7 6. O-O Cxe5 7. dxe5 Cc5 8. Be3 c6 9. f4 Cxd3 10. Dxd3 g6 11. Cc3 b6 12. Tad1. O lance 12. Tad1 é a novidade na posição. Já foram jogados os lances 12. Rh1 e 12. Ce2. O lance 12. Tad1 é melhor que os lances já jogados, porém, o melhor lance na posição é 12. Dd2.<br />
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12...Bg7 13. b4 Bf5 14. De2 Dc8 15. h3 O-O 16. g4 Be6 17. b5 f5 18. exf6 Bxf6 19. Bd4 Bxd4+ 20. Txd4 cxb5 21. Cxb5 Bd7 22. Txd5 Bxb5 23. Txb5 Dc3 24. Tb3 Dc5+ 25. Rg2 Tae8 26. Dd2 Te4 27. Tf2 Dc6 28. Rg3 Tc4 29. Td3 Tf7 30. Td6 Dc5 31. f5 De5+ 32. Rg2 Tc3 33. Tf3 Txf3 34. Rxf3 Te7 35. Td5 De4+ 36. Rg3 Rg7 37. Td6 De5+? Erro. Permite às brancas ganharem vantagem posicional. O melhor lance na posição era 37...gxf5.<br />
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As brancas respondem corretamente com 38. Rh4.<br />
38...gxf5? Erro. Diminui a proteção do rei negro, ao permitir a entrada da dama negra em h6.<br />
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As brancas respondem corretamente com 39. Dh6+<br />
39...Rg8 (se 39...Rh8 40. Df8#) 40. Td8+ Te8 (se 40...Rf7 41. Tf8#) 41. Td7 Te7 42. Dg5+ Rf7 43. Txe7+ Dxe7 44. Dxe7+ Rxe7 45. gxf5 Rf6 46. Rg4 Re5?? Erro grave. Permite as brancas ganharem a oposição. O melhor lance na posição era 46...b5<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOJJpJUsCig2ezBX-fXcRNPKOqkiGUtMj5IvZGwr_U6EB09bjnOzwJz2PDjf7ysX92pG_mnGM4awvnUVjQ8tZjMeeALTJNoqCn8cp3eF1T8hL1pUPZBbt-vbyCJrAIJuseYuwMqXx6crQ/s1600/erro+3+caruana+x+yu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="443" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOJJpJUsCig2ezBX-fXcRNPKOqkiGUtMj5IvZGwr_U6EB09bjnOzwJz2PDjf7ysX92pG_mnGM4awvnUVjQ8tZjMeeALTJNoqCn8cp3eF1T8hL1pUPZBbt-vbyCJrAIJuseYuwMqXx6crQ/s320/erro+3+caruana+x+yu.png" width="317" /></a></div>
As brancas respondem corretamente com 47. Rg5, ganhando a oposição.<br />
47...b5 48. c3 Rd5?? Erro grave. Permite a entrada no rei na sexta fileira, garantindo a promoção do peão da coluna f. O melhor lance na posição era 48...a5. E, depois, desse lance, as pretas abandonam a partida. 1- 0<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-73810212245206614642020-01-16T12:55:00.000-03:002020-01-16T12:55:53.737-03:00Tata Steel Masters - Xiong x Van ForeestJeffery Xiong (2712) x Jorden Van Foreest (2644)<br />
2ª rodada<br />
<br />
1. e4 c5 (Defesa Siciliana) 2. Cf3 d6 3. Bb5+ (Variante Rossolimo) Bd7 4. Bxd7+ Dxd7 5. c4 Cf6 6. Cc3 g6 7. d4 cxd4 8. Cxd4 Bg7 9. f3 O-O 10. Be3 Cc6 11. O-O a6 12. Dd3 Tfc8 13. b3 b5 14. cxb5 Ce5 15. Dd2 d5 16. Cxd5. O lance 16. Cxd5 é a novidade na posição. Já foram jogados os lances 16. Cc6; 16. exd5; 16. bxa6 e 16. Ca4, porém, o melhor lance na posição é 16. Cxd5.<br />
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16...Cxd5 17. exd5 axb5 18. Tad1 b4 19. De2? Erro que poderia dar às pretas ligeira vantagem na posição. O melhor lance era 19. Ce2.<br />
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O lance que daria ligeira vantagem às pretas seria 19...Bf6, porém, o lance jogado foi 19...Tc3?? Erro grave que permite vantagem posicional às Brancas.<br />
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As brancas respondem com 20. Bf2, o lance 20. h3 seria ligeiramente melhor.<br />
20...Bf6 21. Cb5 Tcc8 22. d6 Tab8? Erro que permite às brancas aumentar a vantagem posicional. O melhor lance era 22...exd6.<br />
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Esse erro permite o cavalo manobrar até a casa d5 onde torna-se perigoso. As brancas respondem corretamente com 23. Cc7<br />
23...exd6 24. Cd5 Bd8 25. f4? Erro. Permite às pretas retomar o controle da casa g4. O melhor lance na posição era 25. h3.<br />
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As pretas respondem corretamente com 25...Cg4<br />
26. Bd4 Tb5 27. Df3 Df5 28. Tfe1 Bh4 29. Bb2? Erro que permitiria às pretas igualar a posição. O melhor lance na posição seria 29. h3<br />
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O lance que iguala a posição era 29...Dc2, porém, as pretas jogaram 29...Bf2+? Erro que permite às brancas ligeira vantagem na posição.<br />
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As brancas respondem corretamente com 30. Rh1 (ameaçando 31. Ce7+ dando um triplo no rei, na dama e na torre negra).<br />
30...Bh4?? Erro grave. O bispo ficará encurralado após o lance das negras. Para evitar o ataque triplo das negras, teria sido melhor 30...Rf8.<br />
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As brancas aproveitam o vacilo das negras e jogam 31. g3, encurralando o bispo negro.<br />
31...Cf2+ 32. Dxf2 Txd5 33. gxh4 Txd1 34. Txd1 Tc2? Erro, permite às brancas capturar um peão com ameaça de mate (35. Txd6). O melhor lance seria 34...De4+.<br />
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As brancas jogam 35. Dd4 (ameaçando mate em g7); embora, pudessem jogar 35. Txd6 (ameaçando mate em d8).<br />
35...f6 36. Tc1 e as pretas abandonam. 1-0 .As brancas possuem boa vantagem material.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-60428898103060426112020-01-16T11:51:00.002-03:002020-01-16T11:51:31.174-03:00Tata Steel Masters - So x AnandWesley So (2765) x Viswanathan Anand (2758)<br />
2ª rodada<br />
1. e4 e5 2. Cf3 Cc6 3. Bc4 Bc5 (Abertura Giuoco Piano) 4. c3 Cf6 5. d3 (Variante Moderna) d6 6. Cbd2 O-O 7. h3 a6 8. Bb3 Be6 9. Bc2 d5 10. Cg5. O lance 10. Cg5 é uma novidade na posição. Já foram jogados os lances 10. De2 e 10. O-O (melhor lance na posição).<br />
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10...dxe4 11. Cxe6 fxe6 12. dxe4 Bxf2+?? Erro grave. Sacrifício precoce. O melhor lance na posição é 12...De8.<br />
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As brancas seguem corretamente aceitando o sacrifício e o ataque das negras com 13. Rxf2.<br />
13...Cg4+ 14. Rg1 Ce3 15. De2 Cxc2 16. Tb1 C6d4 17. cxd4 Dxd4+ 18. Rh2 Tf2 19. Dg4 Ce3 20. Dxe6+ Rh8 21. Tg1 Dd3 22. Dxe5 Taf8 23. Dg3 De2? Erro no ataque. Facilita a defesa das brancas. O melhor lance era 23...T8f6.<br />
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As brancas respondem corretamente com o lance 24. b4<br />
24...Txg2+25. Txg2 Cxg2 26. Dg4 e as pretas abandonam. 1-0. As brancas tem vantagem material e o ataque negro falhou.GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-10491061905628712462020-01-16T11:20:00.000-03:002020-01-16T11:20:08.798-03:00TATA STEEL MASTERS - Dubov x KovalevDaniil Dubov (2683) x Vladislav Kovalev (2660)<br />
2ª rodada<br />
1. c4 (Abertura Inglesa) Cf6 2. Cc3 e6 3. e4 (Variante Mikenas) c5 4. e5 Cg8 5. d4 cxd4 6. Dxd4 Cc6 7. Df4 d6. O lance 7...d6 é a novidade na posição. Já haviam sido jogados os lances 7...Cge7 (ligeiramente melhor); 7...f5; 7...d5.<br />
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8. Cf3 Cge7 9. exd6 Cg6 10. De4 Dxd6 11. Bd2 Be7 12. O-O-O f5 13. De1 O-O 14. h4 Bf6 15. Rb1 De7 16. Bg5 Bd7 17. c5 Tad8 18. h5 Cge5 19. Cxe5 Bxg5 20. Cxd7 Txd7 21. Txd7 Dxd7 22. Bc4 Rh8? Erro. Permitindo que às brancas ganhem o peão e fique com vantagem material. Melhor teria sido 22...Te8.<br />
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As brancas seguem corretamente com 23. Dxe6, obtendo vantagem material.<br />
23...Dxe6 24. Bxe6 Be7 25. Ca4 Td8 26. Bxf5 Td2? Erro. Melhor seria 26...Td4, atacando o cavalo que defende o peão de c5, que está atacado pelo bispo.<br />
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A melhor resposta das brancas seria 27. Te1, pregando o bispo negro, pois, se saísse de e7, viria Te8+ seguido de Txf8#, porém, o lance jogado foi 27. Bc8, atacando o peão de b7, que defende o cavalo negro.<br />
27...b5 28. cxb6 e.p. axb6 29. Te1 Txf2?? Erro grave. O peão de b6 está sem defesa e o bispo de e7 está pregado. A posição está ruim, não é o momento de capturar peão. Melhor seria 29...b5 ou 29...g6.<br />
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As brancas seguem corretamente com 30. Bb7 atacando o cavalo negro que defende o bispo negro atacado pela torre.<br />
30...Cd4 31. a3 Bf8? Erro, permite pregar o bispo e obter mais vantagem posicional. O melhor lance na posição era 31...Bd6.<br />
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As brancas respondem corretamente com 32. Te8.<br />
32...g5 33. h6 Tf6 34. Cxb6 Txh6 35. Cd7 Rg7 36. Cxf8 Td6 37. Be4? Erro. O melhor lance na posição era 37. a4.<br />
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As pretas respondem corretamente com 37...h5<br />
38. Ch7 g4 39. Te5 1-0. E as pretas abandonam. As brancas possuem vantagem vantagem material e dois peões passados e conectados.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-61331484074426802112020-01-13T15:15:00.001-03:002020-01-13T15:15:07.671-03:00Tata Steel Masters - Artemiev x VitiugovVladislav Artemiev (2731) x Nikita Vitiugov (2747)<br />
2ª rodada<br />
1. Cf3 (Abertura Réti) d5 2. e3 Cf6 3. c4 e6 4. Cc3 dxc4 5. Bxc4 a6 6. O-O b5 7. Be2 Bb7 8. a4. O lance 8. a4 é a novidade na posição, já foram jogados anteriormente os lances 8. d4; 8.b3; 8. Ce5. O melhor lance na posição é 8.b3.<br />
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8...b4 9. Cb1 c5 10. d3 Cc6 11. Cbd2 Be7 12. e4 a5 <span style="text-align: center;">13. Cb3 c4 14. dxc4 Cxe4 15. Dxd8+ Txd8 16. Be3 O-O 17. Bb6 Ta8 18. Tfd1 Tfc8 19. Rf1 Cf6 20. Tac1 Bd8? Erro. Permite às brancas conseguir vantagem posicional, ganhando mais mobilidade para suas peças. O melhor lance na posição era 20...h6, dando uma casa de fuga para o rei e tirando a casa de g5 do cavalo.</span><br />
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As Brancas seguem corretamente com 21. Bxd8<br />
21...Cxd8 22. Ce5 Rf8 23. Td6 Ta7 24. Tcd1 Cc6 25. f4 Ba8 26. Bf3 Cxe5? Erro. Permitiria às Brancas aumentar a vantagem posicional. O melhor lance nessa posição seria 26...Tac7.<br />
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A melhor resposta para as brancas seria 27. Td8+, seguido de 28. Txd8+ e 29. fxe5, porém, as brancas jogaram 27. fxe5?? Erro grave que desperdiça a oportunidade de aumentar a vantagem na posição.<br />
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As pretas seguem com 27...Bxf3; sendo que o lance 27...Ce8 seria ligeiramente melhor.<br />
28. gxf3 Ce8 29. T6d4 Re7 30. Re2 g6 31. c5 Cg7 32. Td6 Cf5 33. Tb6 f6 34. f4 g5 35. exf6+ Rxf6 36. fxg5+ Rxg5 37. Txe6 Tf7? Erro que permite às brancas boa vantagem posicional. O melhor lance seria 37...Rh4 (evitando a pregadura do cavalo com 38. Td5).<br />
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A melhor resposta para as brancas seria 38. Td5 (pregando o cavalo preto, tirando o cavalo branco da dupla função de proteger o peão de c5 e a casa d4, porém, as brancas jogaram 38. Te4??<br />
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Buscando evitar um futuro avanço do peão da coluna c, as pretas jogam 38...Tc6?? Erro grave. O melhor lance seria 38...Rf6, já que o rei está muito exposto. O lace 38. Tc6?? dá uma nova oportunidade das brancas pregar o cavalo negro.<br />
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As brancas seguem com 39. Tg1+?? dando oportunidade para o rei melhorar sua posição em f6. O melhor lance seria 39. Td5.<br />
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As pretas tem a oportunidade de fuga com o rei para f6, porém jogam o lance 39...Rh5? Pior casa de fuga para o rei preto.<br />
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As brancas seguem com 40. Te5, pregando o cavalo negro.<br />
40...Rh4 41. Tf1 Tcf6 42. Tf3 Rg4 43. h3+ Rh4 44. Te4+ Rg5 45. Tg4+ Rh5 46. Rd2 Td7+ 47. Td3 Te7 48. Td5 Rh6 49. Tf4 Rg6 50. Cxa5. E as pretas abandonaram. 1-0.<br />
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As brancas possuem dois peões de vantagem, sendo ambos, peões passados, tem peças bem posicionadas e a posição é vencedora.<br />
<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-79353602423755315042020-01-13T12:10:00.002-03:002020-01-13T12:10:24.238-03:00Tata Steel Masters - Van Foreest x YuJorden Van Foreest (2644) x Yangyi Yu (2726)<br />
1ª rodada<br />
1. e4 c5 (Defesa Siciliana) 2. Cf3 e6 3. c3 d5 4. exd5 Dxd5 (Variante Alapin) 5. d4 Cf6 6. Ca3 Cc6 7. Be3 cxd4 8. Cb5 Dd7 9. Cbxd4 Bd6. O lance 9...Bd6 é a novidade na posição. Já foram jogados, os lances: 9...Cd5; 9...Dc7; 9...Cxd4; 9...a6. O melhor lance nessa posição é 9...Cd5.<br />
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10. Cxc6 bxc6 11. Bd4 Bb7 12. Ce5 De7 13. Cc4 Bc7 14. Db3 Ba6 15. Da3 Dxa3 16. Cxa3 Bxf1 17. Rxf1 Bb6 18. Bxf6 gxf6 19. Re2 Tg8 20. g3 O-O-O 21. Cc4 Rc7 22. Tad1 Td5 23. Td3 h5 24. Thd1 Tgd8 25. Ce3 Bxe3 26. Rxe3 Te5+ 27. Rf3 Ted5 28. Txd5 cxd5 29. Td4 Tb8 30. b3 Rd6 31. Re3 f5 32. Ta4 Ta8 33. Th4 Th8 34. h3 Re5 35. Rd3 Rf6 36. Ta4 Ta8 37. b4 Re5 38. Ta6 f4 39. g4?? Erro grave. Permite às pretas igualar a partida. Melhor teria sido a troca de peões com 39. gxf4+.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggcUyfW2zEVUdDm-HcGJo7US9f2uYeLvkuqisUMxISld8zk7xMztn3uBQYU7dvpveSGbC9-XZB5PFVSU0oHhfymf0wZLauJ_EZsxnHTIU74bTJKu-m4zWwiJh_IH_88vEQvoJmy4tmnpg/s1600/erro+1+van+x+yu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="448" data-original-width="445" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggcUyfW2zEVUdDm-HcGJo7US9f2uYeLvkuqisUMxISld8zk7xMztn3uBQYU7dvpveSGbC9-XZB5PFVSU0oHhfymf0wZLauJ_EZsxnHTIU74bTJKu-m4zWwiJh_IH_88vEQvoJmy4tmnpg/s320/erro+1+van+x+yu.png" width="317" /></a></div>
As pretas seguem com 39...hxg4.<br />
40. hxg4 f5? Erro. Tira a defesa do peão de e6, que está atacado pela torre, escravizando o rei na defesa dele, já que a torre está escravizada na defesa do peão de a7. As pretas aos poucos vão reduzindo a mobilidade de suas peças. Melhor teria sido o lance 40...f6.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1DLYweB2Tx_atyWdRsqbc72f-6rNXaNUKtLExObDn9sp1-OfQqjHYQezsO4K3YCPSoiaI2-sLOtp1Bm5HSelFaQE7MQFGOkjIMX8PtzzwBn7ejEAPEK1oRMy-HPXxSkyleF3mXdteMwc/s1600/erro+2+van+x+yu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="444" data-original-width="446" height="317" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1DLYweB2Tx_atyWdRsqbc72f-6rNXaNUKtLExObDn9sp1-OfQqjHYQezsO4K3YCPSoiaI2-sLOtp1Bm5HSelFaQE7MQFGOkjIMX8PtzzwBn7ejEAPEK1oRMy-HPXxSkyleF3mXdteMwc/s320/erro+2+van+x+yu.png" width="320" /></a></div>
As brancas seguem corretamente com 41. gxf5<br />
41...Rxf5 42. a4 e5 43. b5 e4+ 44. Rd4?? Erro grave. Dá oportunidade das pretas igualar a partida criando um peão passado. O melhor lance seria 44. Rd2, colocando mais uma defesa na casa de e3.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8_LeX3eKKK2ZuC7b3EKtC6sM3-4johsvbD_9mRmnDTA5pyJ-BR2dj3gQUhOOMM-tE5-m7wf0deft8-e4B2cHBSU-X3oO3eYAM87WwYNSpZW5S5eALTUdm6mIFC9LFJlUDSenyEW4QraQ/s1600/erro+3+van+x+yu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="448" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8_LeX3eKKK2ZuC7b3EKtC6sM3-4johsvbD_9mRmnDTA5pyJ-BR2dj3gQUhOOMM-tE5-m7wf0deft8-e4B2cHBSU-X3oO3eYAM87WwYNSpZW5S5eALTUdm6mIFC9LFJlUDSenyEW4QraQ/s320/erro+3+van+x+yu.png" width="317" /></a></div>
Os lances 44...Te8 e 44...e3 colocariam as pretas em posição de empate, porém, elas seguiram com 44...Rg4?? Erro grave, que tem como ideia atacar o peão indefeso de f2, porém, com esse lance, permite às brancas obter vantagem atacando o peão de a7, enquanto, o rei preto se desloca para capturar o peão em f2.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhS3tfwHZCoy_e8ZmYXEjWWRDSRhS1iFkHc-KeCfJLFvKgwXtvodlccMjLds6_PLzrSx0w52XlH2d-33qs5Is52ZA1Lenp91HU28_vkZfdkvKmg5RrDajniuxjIEcRm09Nd55-g3ewjjbc/s1600/erro+4+van+x+yu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="448" data-original-width="448" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhS3tfwHZCoy_e8ZmYXEjWWRDSRhS1iFkHc-KeCfJLFvKgwXtvodlccMjLds6_PLzrSx0w52XlH2d-33qs5Is52ZA1Lenp91HU28_vkZfdkvKmg5RrDajniuxjIEcRm09Nd55-g3ewjjbc/s320/erro+4+van+x+yu.png" width="320" /></a></div>
As brancas seguem corretamente com 45. b6, ganhando o peão de a7, que está cravado.<br />
45...Rf3?? Erro grave. As pretas seguem com seu plano, permitindo às brancas criar dois peões passados e conectados. O melhor lance seria 45...Tb8, atacando o peão passado, obrigando-o a tomar em a7, e jogar depois 46...Ta8, impedindo a sua promoção.<br />
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As brancas seguem corretamente com 46. Txa7 (único lance vencedor).<br />
46...Tb8 47. a5 Rxf2 48. Te7 f3 49. b7 e3 50. a6 e2 51. Te6 e1=D 52. Txe1 Rxe1 53. a7 Txb7 54. a8=D Te7 55. Df8 Te4+ 56. Rxd5(mate em 24) Te3 57. Dc5?? Erro grave, porém, as brancas continuam com a vantagem, agora o mate é em 29 lances. O lance 57. Rd4 (mate em 23), e 57. Dh6 (mate em 26).<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEAxH8Psp1pIbHqUVI3mVwu8gx-lfQE8UPSn3vtlsVXXEqOCI18xbam_jYDIvZg5-uAOvMFexm6nCfXp-8qoni0KOI8X9iD0r3Dxy8lQlG6AvYcAlkiprfZohT2VNezQfpNbjyELwpVPw/s1600/erro+6+van+x+yu.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="448" data-original-width="446" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEAxH8Psp1pIbHqUVI3mVwu8gx-lfQE8UPSn3vtlsVXXEqOCI18xbam_jYDIvZg5-uAOvMFexm6nCfXp-8qoni0KOI8X9iD0r3Dxy8lQlG6AvYcAlkiprfZohT2VNezQfpNbjyELwpVPw/s320/erro+6+van+x+yu.png" width="318" /></a></div>
As pretas seguem corretamente com 57....Rd2 58. Rd4 Td3+ 59. Re4 Txc3 60. Df2+ Rc1 61. Rd4 (Da2 é melhor) Ta3 62. Rd5 (62. Dh2 ou 62. Rc5 é melhor) Td3+ (62...Tc3 é melhor) 63. Rc4 Ta3 (Td2 é melhor) 64. Dc5 Rb2 65. Db4+ Ra2 66. Dd2+ (Db6 é melhor) Rb1 67. Rb4 (Db4 é melhor) Ta2 (Ta8 é melhor) 68. Dd1+ Rb2 69. Dxf3 (Db3+ é melhor) Rc1 70. Df1+ Rc2 71. De1 Tb2+ 72. Rc4 Ta2 73. De2+ (De4+ é melhor) Rb1 74. Dd1+ (De4+ é melhor) Rb2 75. Rb4 (mate em 11). E as pretas abandonaram. 1-0<br />
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Uma continuação possível seria: 75...Ta8 76. Dd4+ Rc1 77. Rb3 Tb8+ 78. Rc3 Tc8+ 79. Rd3 Rb1 80. Db6+ Rc1 81. Da6 Td8 82. Rc3 Rb1 83. Db6+ Rc1 84. Dxd8 Rb1 85. Da8 Rc1 86.Da1#<br />
<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-76161730910966576612020-01-13T10:12:00.002-03:002020-01-13T10:12:53.892-03:00Tata Steel Masters - Firouzja x Kovalev1ª rodada<br />
Alireza Firouzja (2723) x Vladislav Kovalev (2660)<br />
1. e4 e5 2. Cf3 Cc6 3. Bb5 (Abertura Ruy Lopez) a6 4. Ba4 Cf6 5. O-O Be7 6. Te1 b5 7. Bb3 d6 (Variante Fechada) 8. c3 O-O 9. h3 Bb7 10. d4 Te8 11. Cbd2 Bf8 12. a4 h6 13. Bc2 exd4 14. cxd4 Cb4 15. Bb1 c5 16. d5 c4? Erro que permite as brancas ganhar um peão de vantagem após as trocas.<br />
O melhor lance na posição era 16...Cd7.<br />
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As Brancas seguem com 17. Cd4, um pouco melhor seria 17. Cf1.<br />
17...Cd7, esse lance é uma novidade na posição. Já foi jogado anteriormente o lance 17...Db6, considerado o melhor lance na posição.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhRLLeB2_Md6c45LK2t9KihkG2n5gfFTWrsEC3PwvW-fuM3wIvEuE1dBI1Rmm0NKlJnqgXtSxwoJTzBpX8rGEExc4iiVvumPmzjuwNrseSgFmm2iG4slGZP7cFlQWCLAaPN-G1q_f0OuQ/s1600/nov+firouza+x+kovalev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="447" data-original-width="449" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhRLLeB2_Md6c45LK2t9KihkG2n5gfFTWrsEC3PwvW-fuM3wIvEuE1dBI1Rmm0NKlJnqgXtSxwoJTzBpX8rGEExc4iiVvumPmzjuwNrseSgFmm2iG4slGZP7cFlQWCLAaPN-G1q_f0OuQ/s320/nov+firouza+x+kovalev.png" width="320" /></a></div>
18. axb5 axb5 19. Txa8 Bxa8 20. Cxb5 Db8 21. Ca3 Cd3 22. Te3 Cxc1 23. Dxc1 g6? Erro. Enfraquece a estrutura de peões do roque. O melhor lance na posição era 23...Be7 (com ameaça de de 24...Bg5). Além disso, 23...g6? permite ganhar mais um peão sem nenhuma compensação posicional.<br />
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As brancas seguem com o melhor lance 24. Caxc4<br />
24...Bg7 25. Ta3 Dc7 26. b4 Bb7 27. Bd3 Tb8 28. Dd1 Bc8 29. Da4 Ce5 30. Cxe5 Dc1+?? Erro grave. Permite às brancas conseguirem boa vantagem posicional. O lance correto seria a tomada do cavalo com 30...dxe5 ou 30...Bxe5.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBmvL8O-S1-TosTxFFmzqihBUS7nEcKJQn6DQgmewuLG8JlRtD87kHqCzHjktL83rzq-m5wwXuiMVMa6TKhe7kQqXOjs9y0eKnX8zu2t4wQ0edRh8Se10Htg719opob970M9kc3Kgt_oQ/s1600/erro+3+firouzja+x+kovalev.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="444" data-original-width="446" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBmvL8O-S1-TosTxFFmzqihBUS7nEcKJQn6DQgmewuLG8JlRtD87kHqCzHjktL83rzq-m5wwXuiMVMa6TKhe7kQqXOjs9y0eKnX8zu2t4wQ0edRh8Se10Htg719opob970M9kc3Kgt_oQ/s320/erro+3+firouzja+x+kovalev.png" width="320" /></a></div>
As brancas seguem corretamente com 31. Bf1, lance que permite aproveitar do erro adversário para obter boa vantagem posicional.<br />
31...Bxe5 32. Cc4 Bd4?? Erro grave. Permite as brancas forte ataque. Tira a defesa do peão de d6 que está atacado pelo cavalo. Melhor seria 32...Df4 (ameaçando mate em h2 e ganhar o peão de e4).<br />
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As brancas seguem corretamente com 33. De8+<br />
33...Rg7 34. Tf3 f6?? Erro grave. A posição das pretas já estava perdida, com esse lance a torre em b8 está caindo após alguns lances. A melhor defesa nessa posição é 34...Tb7 (embora esteja caindo o bispo).<br />
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As brancas seguem corretamente com 35. De7+<br />
35...Rg8 36. Dd8+. E as pretas abandonam.<br />
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Independente do lance das pretas iria seguir com 37. Dc7+ seguido de 38. Dxb8, com grande vantagem material para as brancas.<br />
<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-17936139056513038432020-01-10T11:40:00.002-03:002020-01-10T11:40:21.736-03:00CAMPEONATO MUNDIAL DE XADREZ RÁPIDO - Carlsen x LaznickaMagnus Carlsen (2881) x Viktor Laznicka (2658)<br />
8ª rodada - ritmo: 15'+10"<br />
1. d4 d5 (Abertura do peão da dama) 2. Cf3 Cf6 3. Bf4 Bf5 4. e3 e6 5. Cbd2 Be7 6. Ce5. O lance 6. Ce5 é a novidade na posição, sendo considerado o melhor lance. Já haviam sido jogados 6. c3 e 6. h3.<br />
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6...h5 7. Bd3 Bxd3 8. Cxd3 Cbd7 9. De2 Ce4 10. h3 Cxd2 11. Dxd2 Bd6 12. Bxd6 cxd6 13. O-O-O h4 14. Rb1 Cg6 15. f3 Db6 16. The1 O-O-O 17. c3 Rb8 18. e4 Dc7 19. Dg5 Tdg8 20. Tc1 Th5 21. De3 e5 22. dxe5 dxe5 23. c4 d4 24. Dd2 Cd7 25. c5 Th6 26. b4 Dc6 27. Db2? Erro. O lance correto seria 27. Dd1 (a dama estaria melhor posicionada em d1).<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtktIL6uulEtgG9VONxxAmHcCanrr1ItA8s6OGCC-oI8tsfpmp787ha_mD7RLeioCHhyphenhyphenaNkdvAH1KRLdIE8Iwq379s3dEi9KWp0dV-KAcjMSTirsINRDdjKiyjSmpSLY0XMRumFtQHj7c/s1600/erro+1+carlsen+x+laznicka.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="444" data-original-width="445" height="319" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtktIL6uulEtgG9VONxxAmHcCanrr1ItA8s6OGCC-oI8tsfpmp787ha_mD7RLeioCHhyphenhyphenaNkdvAH1KRLdIE8Iwq379s3dEi9KWp0dV-KAcjMSTirsINRDdjKiyjSmpSLY0XMRumFtQHj7c/s320/erro+1+carlsen+x+laznicka.png" width="320" /></a></div>
As pretas deveriam responder com 27...a6 para evitar o lance 28. b5. Porém, jogam 27... Db5?? Erro grave que permite às Brancas aumentar sua vantagem posicional, melhorando sua posição e iniciar um ataque.<br />
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As brancas seguem corretamente com 28. Db3.<br />
28...Ta6 29. Cb2 Tf6 30. a4 Dc6 31. b5?? Erro grave. As brancas seguem na vantagem, mas, o lanc correto no ataque seria 31. Cd3.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuZvC8FNxSUEBq8x0WOepUbkcItultxeEVSl4dRD7RIgYwhef8riN0zHA7JC9j2MfADTpXpQGC4VryJ8Mqui0GAgFemwQ0GsYm4X9oS32DzJbtuM5zSb8b7pediZPdG-0Ho3Pn1kVFyZ4/s1600/erro+3+carlsen+x+laznicka.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="445" data-original-width="448" height="317" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuZvC8FNxSUEBq8x0WOepUbkcItultxeEVSl4dRD7RIgYwhef8riN0zHA7JC9j2MfADTpXpQGC4VryJ8Mqui0GAgFemwQ0GsYm4X9oS32DzJbtuM5zSb8b7pediZPdG-0Ho3Pn1kVFyZ4/s320/erro+3+carlsen+x+laznicka.png" width="320" /></a></div>
As pretas seguem corretamente com 31...De6, diminuindo a vantagem posicional das brancas.<br />
32. Db4 Tc8?? Erro grave que permite às brancas forte ataque. O lance correto seria 32...a5<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiP_FxFsyh4_n4d2HBMcU9icWqU_4q3t51ANOPVJsVwShzAQgdGGf_66kl14dTl7YxJCjDN0fy17_Nh5xy47A7SRch88AcJKikNFc_w_BWFMeZGZybCFBaS__KJbb5iUsCNXW1zsQq3AOE/s1600/erro+4+carlsen+x+laznicka.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="444" data-original-width="446" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiP_FxFsyh4_n4d2HBMcU9icWqU_4q3t51ANOPVJsVwShzAQgdGGf_66kl14dTl7YxJCjDN0fy17_Nh5xy47A7SRch88AcJKikNFc_w_BWFMeZGZybCFBaS__KJbb5iUsCNXW1zsQq3AOE/s320/erro+4+carlsen+x+laznicka.png" width="320" /></a></div>
As brancas seguem corretamente com 33. c6<br />
33...Cb6 34. a5 Ca8 35. cxb7 Rxb7 36. Txc8?? Erro grave. A continuação correta seria 36. Ca4 (ameaçando 37. Cc5+)<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbW1nCqCGEF5BpHH8TQBY9GbcW8BlHf_0J-k7Pg5BTj6rGy3vV4aQQEqCvI2F5XXEm-_Zsp3H5pQhXYusobAY2fub4EXpwoS9342X-fNabKn6XxTtdcNC3meFsCYV7V3NYus5wrg7wYRs/s1600/erro+5+carlsen+x+laznicka.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="444" data-original-width="445" height="319" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbW1nCqCGEF5BpHH8TQBY9GbcW8BlHf_0J-k7Pg5BTj6rGy3vV4aQQEqCvI2F5XXEm-_Zsp3H5pQhXYusobAY2fub4EXpwoS9342X-fNabKn6XxTtdcNC3meFsCYV7V3NYus5wrg7wYRs/s320/erro+5+carlsen+x+laznicka.png" width="320" /></a></div>
As pretas seguem corretamente tomando a torre com a dama. 36...Dxc8<br />
37. Tc1 Dd8? Erro. Permite as brancas uma posição melhor, obtendo um ataque mais poderoso. O lance correto seria 37....De8 (protegendo o peão em e5).<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgv19xohWgroxH9LpF1qVhee5NU-GndgC-LZLVk6aP8z3RKoHuXAF7Mor7OjtutXC2F-kjk6_AuF0c6i3v3RFsHe_B98YzVsIYpyD9nqeRtmwhoYXCRMHr2II4RX-tJBEMJ7c0NAn5xOog/s1600/erro+6+carlsen+x+laznicka.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="443" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgv19xohWgroxH9LpF1qVhee5NU-GndgC-LZLVk6aP8z3RKoHuXAF7Mor7OjtutXC2F-kjk6_AuF0c6i3v3RFsHe_B98YzVsIYpyD9nqeRtmwhoYXCRMHr2II4RX-tJBEMJ7c0NAn5xOog/s320/erro+6+carlsen+x+laznicka.png" width="317" /></a></div>
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As Brancas seguem com 38. Cd3, atacando o peão desprotegido de e5. Um lance mais forte seria 38. Tc5.</div>
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38...Cc7 39. Cc5+? Erro. O ataque seguiria melhor com 39. Dc4, seguidos de 40. Cb4 e 41. Cc6, o cavalo é mais forte no ataque na casa c6 do que na casa c5.</div>
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As pretas seguem corretamente com 39...Ra8.</div>
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40. b6 axb6 41. axb6 Ca6 42. b7+?? Erro grave. O jogador desperdiça a oportunidade de ganhar vantagem material.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLfmFtdyAE2m2UmhBbHpBtnXJNf9zP1oUjQWwZst0d1d9Rnq3nPU4RY4OkCjSUuo0gfIwIoCqMcLrwAAzgLWm1Ehf2annofGETzt0RlJAX1K9v0IYbpxOlNMrqeQZNTYitWatPTwF3cec/s1600/erro+8+carlsen+x+laznicka.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="449" data-original-width="443" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLfmFtdyAE2m2UmhBbHpBtnXJNf9zP1oUjQWwZst0d1d9Rnq3nPU4RY4OkCjSUuo0gfIwIoCqMcLrwAAzgLWm1Ehf2annofGETzt0RlJAX1K9v0IYbpxOlNMrqeQZNTYitWatPTwF3cec/s320/erro+8+carlsen+x+laznicka.png" width="315" /></a></div>
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As pretas seguem corretamente com 42...Ra7</div>
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43.Cxa6?? Erro grave, aqui as brancas dão a oportunidade das pretas igualar a partida. O lance correto seria 43. Da4.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjq-LVi0mJJ8BJehqImGSh7Myx2uT8757m1sW0JRGCd_tbYjPEJNcWP0l7cRNSwgGVTHaG3w2YKBr4zwdFrit4Pon419Wa_TcTTYQZYpbQsZNeLO-300Bg_E2frLPtYjYQSPEKbqHbkLfU/s1600/erro+9+carlsen+x+laznicka.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjq-LVi0mJJ8BJehqImGSh7Myx2uT8757m1sW0JRGCd_tbYjPEJNcWP0l7cRNSwgGVTHaG3w2YKBr4zwdFrit4Pon419Wa_TcTTYQZYpbQsZNeLO-300Bg_E2frLPtYjYQSPEKbqHbkLfU/s320/erro+9+carlsen+x+laznicka.png" width="318" /></a></div>
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As pretas jogam 43... Txa6?? E a posição está perdida. O lance que igualava era 43...Tb6, pregando a dama branca.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgNkng5IJn_Rss_GUYFxuuZPESv8MhmuKl21LiOGbfEJla7rWjJNN64kE0Yv2S73acfBSHh3yFKJTUu0bpaTNekG0_B8GZNBpoD3y6CzvQvioca7h3XiV0ALS07mqFgDl9LHa-UQ0Xpjus/s1600/erro+10+carlsen+x+laznicka.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="446" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgNkng5IJn_Rss_GUYFxuuZPESv8MhmuKl21LiOGbfEJla7rWjJNN64kE0Yv2S73acfBSHh3yFKJTUu0bpaTNekG0_B8GZNBpoD3y6CzvQvioca7h3XiV0ALS07mqFgDl9LHa-UQ0Xpjus/s320/erro+10+carlsen+x+laznicka.png" width="320" /></a></div>
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As brancas seguem com o lance vencedor 44. Tc8. E aqui, as pretas abandonam, pois, tinha mate em 5 lances.</div>
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A continuação mais duradoura para as pretas seria:</div>
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44...Tb6+ 45. b8=D+ Txb8 46. Dxb8+ Ra6 47. Txd8 d3 48. Td7 d2 49. Ta7#</div>
GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-78047893919485747912020-01-10T10:32:00.001-03:002020-01-10T10:32:33.372-03:00CAMPEONATO MUNDIAL DE XADREZ RÁPIDO - Rakhmanov x CarlsenAleksandr Rakhmanov (2665) x Magnus Carlsen (2881)<br />
7ª rodada - ritmo: 10'+10"<br />
1.c4 (Abertura Inglesa) e5 (Siciliana reversa) 2. Cf3 Cc6 3. d4 exd4 4. Cxd4 Cf6 5. Cxc6 bxc6 6. g3 g6. O lance 6...g6 é a novidade na posição. Já havia sido jogado 6...Bb4+ (sendo o melhor lance na posição, assim como, 6...d5, igualmente bom).<br />
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7. Bg2 Bg7 8. Cc3 O-O 9. O-O Tb8 10. Da4 a6 11. c5 De7 12. Da5 Cd5 13. Cxd5 cxd5 14. Dxc7 Be5 15. Da5 Tb5 16. Da3 Bb7 17. Tb1 Dxc5 18. Dxc5 Txc5 19. Td1 Tb8 20. Be3 d4 21. Bxd4 Bxd4 22. Txd4 Bxg2 23. Rxg2 Tc2 24. Txd7 Tbxb2 25. Txb2 Txb2 26. a3 Ta2 27. Td3 Txe2 28. Td6 Tb2?? Erro grave que permitiria boa vantagem às pretas. O lance correto seria 28...Te6 (propondo a troca de torres e mantendo a igualdade.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-wfKzz2soqnRsWpytvVuNb5yfcK9JVJrhekaQ8Sj4vEfzCCHa5t3Y-stP4syKPiYmcChtZUh9_dRonYBiIcnRiQpo-q_W1nRaTTmBVyFUJ6rf2Se7P0xpn3QYt1XNlKZ5O0xcjNp3k1Y/s1600/erro+1+rakhmanov+x+carlsen.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="448" data-original-width="447" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-wfKzz2soqnRsWpytvVuNb5yfcK9JVJrhekaQ8Sj4vEfzCCHa5t3Y-stP4syKPiYmcChtZUh9_dRonYBiIcnRiQpo-q_W1nRaTTmBVyFUJ6rf2Se7P0xpn3QYt1XNlKZ5O0xcjNp3k1Y/s320/erro+1+rakhmanov+x+carlsen.png" width="319" /></a></div>
As Brancas deveriam seguir com 29. Txa6 (ganhando vantagem material e criando um peão passado na coluna a), porém, seguiram com 29. g4<br />
29...Tb3 30. Txa6 h5 31. gxh5 gxh5 32. h4? Erro que diminui a vantagem posicional das pretas. O melhor lance seria 32. a4.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_dUefym-t0gtT0H8vOhmPW4c5Bijt_tIJvqfHM4I_8yfRn9X1DcBuHVxuJcJMDUXFUm4h5c0qyybVMm_mRAxXsH7MWnb_PTlN8K0wJXy_VMHlTZViG-Y1b8qIr3NlILByQso9UxDQXUo/s1600/erro+2+rakhmanov+x+carlsen.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="449" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_dUefym-t0gtT0H8vOhmPW4c5Bijt_tIJvqfHM4I_8yfRn9X1DcBuHVxuJcJMDUXFUm4h5c0qyybVMm_mRAxXsH7MWnb_PTlN8K0wJXy_VMHlTZViG-Y1b8qIr3NlILByQso9UxDQXUo/s320/erro+2+rakhmanov+x+carlsen.png" width="316" /></a></div>
As Brancas seguem corretamente com o lance 32... Rg7; também poderia ser jogado 32...Tc3 ou 32...Rf8.<br />
33. f3 f6 34. Rg3 Rg6 35. Rf4 Tc3 36. a4 Tc4+ 37. Rg3 Tb4 38. a5 Ta4 39. Ta8 Rf5 40. Th8 Rg6 41. Ta8 Rf5 42. a6 Ta2 43. a7 Ta3 44. Th8 Txa7 45. Txh5+ Rg6 46. Tb5 Ta1 47. h5+ Rh6 48. Tf5 Rg7? Erro que permite às brancas obter vantagem posicional. O lance que manteria a igualdade na posição seria 48...Th1.<br />
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49. f4? Erro. As brancas perdem a oportunidade de obter vantagem posicional, o lance correto seria 49. Td5.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrzSEM4sjbpMC2mtrWvg0XsLzWwhl4StKaivPO_H7zX6s_7lgEZ5_W2bzU0OgYwXFG9fxgoUypJWNRJ3Fc3qOihBgZzHoYV0wpqstDtH5ZCSvgmbW_LzXeSonkuhRiqTJxgqEZlchGdH8/s1600/erro+4+rakhmanov+x+carlsen.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="445" data-original-width="448" height="317" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrzSEM4sjbpMC2mtrWvg0XsLzWwhl4StKaivPO_H7zX6s_7lgEZ5_W2bzU0OgYwXFG9fxgoUypJWNRJ3Fc3qOihBgZzHoYV0wpqstDtH5ZCSvgmbW_LzXeSonkuhRiqTJxgqEZlchGdH8/s320/erro+4+rakhmanov+x+carlsen.png" width="320" /></a></div>
As pretas seguem corretamente com 49...Tg1+, igualando a posição.<br />
50. Rh3 Rh6 51. Td5 Rg7 52. Rh4 Rh6 53. Td6 Th1+ 54. Rg4 Txh5 55. Txf6+ Rg7 56. Rxh5 Rxf6 57. f5 Rxf5 1/2-1/2. Empate por insuficiência material.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0tag:blogger.com,1999:blog-9121514977946561018.post-85536366837766966322020-01-09T11:59:00.001-03:002020-01-09T11:59:38.647-03:00CAMPEONATO MUNDIAL DE XADREZ RÁPIDO - Carlsen x WangMagnus Carlsen (2881) x Hao Wang (2758)<br />
6ª rodada - ritmo: 15'+10"<br />
1. d4 Cf6 2. Cf3 d5 (Abertura do peão da dama)<br />
3. Bf4 e6 4. e3 Bd6 5. Cbd2 Bxf4. O lance 5...Bxf4 é a novidade na posição, sendo jogado antes os lances 5...c5 e 5...O-O (considerado o melhor lance na posição).<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjGvTUBfddsTNtcB4k66_a1oego7AY3XrN_sb2qZTWCrH_OgpYBtxfdnb_SnUoTnsS4UXUk3wa0y5558D5mQRrMGTtKeGV-UilcL8BaUwoy-Nepn-MZku6pJgNaG-N_kPpJSNWLLPOQjQ/s1600/nov+carlsen+x+wang.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjGvTUBfddsTNtcB4k66_a1oego7AY3XrN_sb2qZTWCrH_OgpYBtxfdnb_SnUoTnsS4UXUk3wa0y5558D5mQRrMGTtKeGV-UilcL8BaUwoy-Nepn-MZku6pJgNaG-N_kPpJSNWLLPOQjQ/s320/nov+carlsen+x+wang.png" width="318" /></a></div>
6. exf4 O-O 7. Bd3 Dd6 8. g3 b6 9. De2 a5 10. a4 c5 11. c3 Ba6 12. Bxa6 Cxa6 13. O-O Cb8 14. Ce5 Cc6 15. Cdf3 Tac8 16. Tfe1 Ce4 17. Tad1 Dc7 18. Rg2 cxd4 19. Cxd4 Cxd4 20. Txd4 Cd6 21. h4 Db7 22. Rh2 Tb8 23. b3 Dc7 24. c4 Cf5 25. Td3 dxc4 26. bxc4 Tbd8 27. Ted1 Txd3 28. Dxd3 f6 29. Cg4 Tc8 30. Ce3 Dc5 31. Cxf5 exf5 32. De2 Dc6 33. Td5 h6 34. Dd3 Dxa4 35. Td7 Rh8 36. Td6 Db4 37. Dd5 De1? Erro que permite às Brancas igualar a posição. O lance correto seria 37...a4 que daria vantagem na posição para as pretas.<br />
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A melhor resposta das brancas seria 38. Td8+, porém, jogaram o lance 38. Rg2.<br />
38...De4+ 39. Dxe4 fxe4 40. Txb6 Txc4 41. Tb5 a4 42. Tb8+ Rh7 43. h5 Tc2 44. Ta8 Ta2 45. Rf1? Erro que permite às pretas manter a vantagem na posição. O melhor lance seria 45. Rh3 (oferecendo o peão de f2 em troca do peão de a4).<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlpy4bYqdo1uS7d_4Uq-EoQqgKLyUhju7XeKVg5ApfY8PklGIktzLiKVJFQUjcgk8ipT8R06Yx06WJ0sue0Shmmaej8aQ6zHAJ5TxOaqAaYnwz8dCAnRPpC0S-rpkoMRZUVuzFXnRG0i4/s1600/erro+2+carlsen+x+wang.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="446" data-original-width="444" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlpy4bYqdo1uS7d_4Uq-EoQqgKLyUhju7XeKVg5ApfY8PklGIktzLiKVJFQUjcgk8ipT8R06Yx06WJ0sue0Shmmaej8aQ6zHAJ5TxOaqAaYnwz8dCAnRPpC0S-rpkoMRZUVuzFXnRG0i4/s320/erro+2+carlsen+x+wang.png" width="318" /></a></div>
As pretas seguem com 45...g5, sendo que o melhor lance na posição seria 45...f5.<br />
46. Ta7+ Rg8 47. fxg5 hxg5?? Erro grave que permite às brancas igualar a posição. A tomada do peão em g5 pelo peão da coluna h permite às brancas criar um peão passado e igualar a partida. O correto seria 47...fxg5 que manteria a vantagem na posição.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmX1EUsFUY2csxxjFbVL7rghEyiAxHLcKY-wOru4JmT7N1wkHizu06Rf8MDNj6PDuMisBzYzUovUD9J0LtR4XP-T7oBgfKNne5UIfb8zoehCh8IzYyk8SiOtO3f2nE_SMl96psJ1Y4ZvU/s1600/erro+3+carlsen+x+wang.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="447" data-original-width="446" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmX1EUsFUY2csxxjFbVL7rghEyiAxHLcKY-wOru4JmT7N1wkHizu06Rf8MDNj6PDuMisBzYzUovUD9J0LtR4XP-T7oBgfKNne5UIfb8zoehCh8IzYyk8SiOtO3f2nE_SMl96psJ1Y4ZvU/s320/erro+3+carlsen+x+wang.png" width="319" /></a></div>
As brancas seguem corretamente com 48. g4, sendo que, também poderia ser jogado 48. Ta8+.<br />
48...Ta3 49. Re2 Tf3 50. Txa4 Tf4 51. Re3 Tf3+ 52. Re2 Tf4 1/2-1/2. Empate por comum acordo.<br />
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<br />GRUPO DE ENXADRISTAS DO IFSP AVARÉhttp://www.blogger.com/profile/05640002249960076977noreply@blogger.com0