The U.S. Championship: The Joint Leaders Nakamura and Kamsky Strengthened Their Postions

Время публикации: 17.05.2012 18:38 | Последнее обновление: 30.08.2012 13:41

The 8th round of the U.S. Championship was marked with the victories of the both leaders of men's section. Gata Kamsky beat Alexander Lenderman playing Black. 

LENDERMAN - KAMSKY

White made another mistake in an already worse position, which allowed Black to strike a decisive blow. 
41...Ng3! 42.Rg8+ Kf7 43.Rxg4 Nxf1 44.Kg2 Nd2 0-1

Hikaru Nakamura also playing Black defeated Alexander Stripunsky. 

ATRIPUNSKY - NAKAMURA

62.Rxd5??
62.Rc5 Rh2+ variation is uncomfortable for White, but it seems like White still can hold and even in several ways. 
62...exd5
Now Black is able to cope with the rival's pawns.
63.b5 Rb8 64.g5 Rxb5 65.g6 Rb8 66.a7 Ra8 67.g7 Ke6 68.Kxf3 Kxe5 69.d7 Kd6 70.Kf4 Kxd7 71.Ke5 Kc6 0-1

Nakamura and Kamsky lead with 6 out of 8 and are nearest rivals a point and a half ahead of their nearest rivals


Kaidanov broke a string of defeats

In another decisive game Varuzhan Akobian beat Alejandro Ramirez. From the three games which have finished peacefully, we can mark out Kaidanov - Robson draw. The rivals repeated 20 moves from Galliamova - Lahno, Rostov 2011, in one of the Gunfeld defence variations where White sacrifices its queen for three pieces. Kaidanov's novelty doesn't change the evaluation of the position as favorable for Black: soon the opponents started to repeat the moves. 

KAIDANOV - ROBSON

24...Qb5
That's clearly not the mandatory continuation. Black could have tried another plan with ...b7-b5.
25.Nc3 Qb4 26.Nd5 Qb5 27.Nc3 Qb4 28.Nd5 1/2-1/2

In women's section the joint leaders Anna Zatoskih and Irina Krush drew against each other in round 7. Rusudan Goletiani took an upper hand on Tatev Abrahamyan and is half a point behind the leaders. In the last two rounds Zatonskih will play against Goletiani and Abrahamyan, while Krush will face the outsiders Alena Kats and Camilla Baginskaite. 

[Event "ch-USA 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "8"] [White "Lenderman, A."] [Black "Kamsky, G."] [Result "0-1"] [ECO "D15"] [WhiteElo "2587"] [BlackElo "2741"] [PlyCount "88"] [EventDate "2012.05.08"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 g6 6. h3 Bg7 7. Bf4 Bf5 8. Qb3 Qc8 9. Nh4 Be6 10. Na4 Nbd7 11. e3 Ne4 12. Nf3 h6 13. Bd3 f5 14. Rc1 g5 15. Bh2 Bf7 16. Rc2 O-O 17. Nb6 Nxb6 18. Qxb6 Bh5 19. Be5 Nf6 20. Qc7 Nd7 21. Qxc8 Raxc8 22. Bxg7 Kxg7 23. Be2 Bxf3 24. Bxf3 e5 25. b4 Rce8 26. O-O Kg6 27. a4 h5 28. g3 g4 29. hxg4 hxg4 30. Bg2 exd4 31. exd4 Nf6 32. b5 a5 33. Rb1 f4 34. gxf4 Nh5 35. bxc6 bxc6 36. Rb6 Re1+ 37. Bf1 Rf6 38. Re2 Rd1 39. f5+ Kxf5 40. Re5+ Kg6 41. Rb8 Ng3 42. Rg8+ Kf7 43. Rxg4 Nxf1 44. Kg2 Nd2 0-1 [Event "ch-USA 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "8"] [White "Akobian, V."] [Black "Ramirez, Alej"] [Result "1-0"] [ECO "A43"] [WhiteElo "2625"] [BlackElo "2593"] [PlyCount "101"] [EventDate "2012.05.08"] 1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Ne4 5. Bh4 Bb7 6. a4 Qa5+ 7. Nbd2 bxa4 8. c3 f5 9. Rxa4 Qb6 10. Nc4 Qh6 11. e3 g5 12. Bg3 Nxg3 13. fxg3 Bg7 14. Na5 Bc8 15. g4 fxg4 16. Rxg4 O-O 17. Bd3 Kh8 18. O-O d6 19. Nxg5 Bf6 20. Rg3 Bxg5 21. Rxf8+ Qxf8 22. Rxg5 Nd7 23. Bxh7 Qh6 24. Rg3 Nf6 25. Bc2 Bg4 26. Qe1 Rg8 27. h3 Bxh3 28. Rxg8+ Kxg8 29. gxh3 Qxh3 30. Bd1 Ng4 31. Bxg4 Qxg4+ 32. Kh2 Qh5+ 33. Kg1 Qg5+ 34. Kf2 Qxd5 35. Ke2 Qh5+ 36. Kd2 c4 37. b4 cxb3 38. Nxb3 Qd5+ 39. Kc2 Qe4+ 40. Kb2 Kf7 41. Qd2 Qc4 42. Qd4 Qe2+ 43. Nd2 Ke8 44. Kc2 Qa6 45. Qc4 Qb6 46. e4 Kd8 47. Nb3 Qf2+ 48. Kb1 Qb6 49. Ka2 Kd7 50. Nd4 a6 51. Qa4+ 1-0 [Event "ch-USA 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "8"] [White "Stripunsky, A."] [Black "Nakamura, Hi"] [Result "0-1"] [ECO "C04"] [WhiteElo "2562"] [BlackElo "2775"] [PlyCount "142"] [EventDate "2012.05.08"] 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 a5 7. a4 Be7 8. Bb5 Na7 9. Bd3 b6 10. Bd2 c5 11. dxc5 Nxc5 12. Nxc5 bxc5 13. b3 O-O 14. Qe2 Nc6 15. Bb5 Qb6 16. O-O Ba6 17. c4 Bb7 18. Rad1 Nb4 19. Ng5 h6 20. Nh3 d4 21. Nf4 Kh7 22. Rfe1 Rg8 23. Nd3 Raf8 24. Nxb4 axb4 25. Qd3+ g6 26. Bf4 Kg7 27. Qh3 g5 28. Bg3 Kh7 29. Qg4 Rg6 30. h3 Kg7 31. Qh5 Rg8 32. Rd3 Qa7 33. f3 Bd8 34. Kf2 Kf8 35. Ke2 Bc7 36. Kd1 Qa8 37. Kc1 f5 38. Bh2 Ke7 39. Rd2 f4 40. Bg1 Qf8 41. Bxd4 cxd4 42. Rxd4 Bc8 43. c5 Qg7 44. Rd6 Bxd6 45. cxd6+ Kd8 46. Bd3 Bb7 47. Qxg6 Qxg6 48. Bxg6 Rxg6 49. Rd1 Bd5 50. Rd4 Kd7 51. Rxb4 Rg8 52. Kd2 Rf8 53. a5 h5 54. Rb6 Ra8 55. b4 g4 56. hxg4 hxg4 57. fxg4 Bxg2 58. a6 Bd5 59. Rb5 f3 60. Ke3 Rf8 61. Kf2 Rh8 62. Rxd5 exd5 63. b5 Rb8 64. g5 Rxb5 65. g6 Rb8 66. a7 Ra8 67. g7 Ke6 68. Kxf3 Kxe5 69. d7 Kd6 70. Kf4 Kxd7 71. Ke5 Kc6 0-1 [Event "ch-USA 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "8"] [White "Seirawan, Y."] [Black "Onischuk, Al"] [Result "1/2-1/2"] [ECO "D58"] [WhiteElo "2643"] [BlackElo "2660"] [PlyCount "51"] [EventDate "2012.05.08"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Rc1 Bb7 9. cxd5 Nxd5 10. Bxe7 Nxe7 11. b4 Nd7 12. b5 c5 13. bxc6 Nxc6 14. Be2 Rc8 15. O-O Nf6 16. Qa4 Qe7 17. Ba6 Na5 18. Bxb7 Qxb7 19. Ne5 Nd5 20. Nxd5 Qxd5 21. h4 Qb7 22. h5 Rc7 23. Nd3 Rcc8 24. Ne5 Rc7 25. Nd3 Rcc8 26. Ne5 1/2-1/2 [Event "ch-USA 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "8"] [White "Shulman, Y."] [Black "Hess, Ro"] [Result "1/2-1/2"] [ECO "D45"] [WhiteElo "2571"] [BlackElo "2635"] [PlyCount "70"] [EventDate "2012.05.08"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. Qc2 Nbd7 7. b3 Bd6 8. Be2 O-O 9. O-O e5 10. cxd5 cxd5 11. dxe5 Nxe5 12. Bb2 Be6 13. Rac1 Rc8 14. Qd2 Ne4 15. Nxe4 Nxf3+ 16. Bxf3 dxe4 17. Qd4 Bxh2+ 18. Kxh2 Qxd4 19. Bxd4 exf3 20. gxf3 f6 21. Bb2 Kf7 22. Rxc8 Rxc8 23. Rc1 Rxc1 24. Bxc1 h5 25. f4 Bd5 26. Kg3 Be4 27. f3 Bb1 28. a3 Bc2 29. b4 f5 30. Bd2 Ke6 31. Bc3 g6 32. b5 axb5 33. Bb4 Kd5 34. Be7 Kc4 35. e4 fxe4 1/2-1/2 [Event "ch-USA 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "8"] [White "Kaidanov, G."] [Black "Robson, R."] [Result "1/2-1/2"] [ECO "D90"] [WhiteElo "2594"] [BlackElo "2614"] [PlyCount "55"] [EventDate "2012.05.08"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. Bf4 Na6 9. e4 c5 10. e5 Be6 11. exf6 Bxc4 12. fxg7 Kxg7 13. Bxc4 cxd4 14. Be5+ f6 15. Bxd4 e5 16. Be3 Nb4 17. O-O Nc2 18. Rad1 Qc7 19. Bb3 Nxe3 20. fxe3 Rac8 21. Kh1 Rfd8 22. Nd5 Qc5 23. e4 a5 24. Rfe1 Qb5 25. Nc3 Qb4 26. Nd5 Qb5 27. Nc3 Qb4 28. Nd5 1/2-1/2 [Event "ch-USA w 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "7"] [White "Kats, A."] [Black "Zenyuk, I."] [Result "1/2-1/2"] [ECO "B00"] [WhiteElo "2137"] [BlackElo "2224"] [PlyCount "143"] [EventDate "2012.05.08"] 1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Be2 Nd7 5. O-O e5 6. Nc3 Ngf6 7. dxe5 dxe5 8. Ne1 O-O 9. Be3 c6 10. Nd3 Qe7 11. Qe1 Re8 12. f3 h6 13. Qf2 a5 14. a4 Nh7 15. g4 Ng5 16. Kh1 Ne6 17. Bd1 Ndf8 18. Ne2 Qd8 19. Ng3 Kh7 20. Qg2 Qd6 21. Ra3 Nf4 22. Qd2 N8e6 23. Ne2 Rd8 24. Nexf4 exf4 25. Bxf4 Nxf4 26. Qxf4 Qxf4 27. Nxf4 Bxb2 28. Rb3 Be5 29. Nd3 Bd4 30. f4 Rb8 31. f5 Kg7 32. Bf3 c5 33. Nf4 b6 34. Nd5 c4 35. Rbb1 Bd7 36. c3 Bc5 37. Ra1 b5 38. axb5 Rxb5 39. Be2 Bd6 40. Bxc4 Rc5 41. Ba2 Be5 42. Rf3 g5 43. Rb1 Bb5 44. Rb2 Bc4 45. Rff2 Bd3 46. Bb1 Bc4 47. Ba2 Bd3 48. Bb1 Bxb1 49. Rxb1 Bxc3 50. Rc2 Rdc8 51. Rb7 Be5 52. Rxc5 Rxc5 53. Ra7 Rc1+ 54. Kg2 Ra1 55. Nc7 Bxc7 56. Rxc7 Ra4 57. Kf3 Ra3+ 58. Kf2 Kf6 59. Rc5 a4 60. e5+ Ke7 61. Rc7+ Ke8 62. Ra7 Ra2+ 63. Ke3 a3 64. Kd4 Rd2+ 65. Kc4 a2 66. h3 Rh2 67. Kd5 Rd2+ 68. Kc6 Rc2+ 69. Kd5 Rd2+ 70. Kc6 Rc2+ 71. Kd5 Rd2+ 72. Kc6 1/2-1/2 [Event "ch-USA w 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "7"] [White "Baginskaite, C."] [Black "Ni, V."] [Result "1/2-1/2"] [ECO "E60"] [WhiteElo "2358"] [BlackElo "2228"] [PlyCount "82"] [EventDate "2012.05.08"] 1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 b5 5. cxb5 a6 6. bxa6 Bxa6 7. Nc3 d6 8. Bg2 Nbd7 9. Nf3 Bg7 10. O-O Nb6 11. Ne1 Bc4 12. Nc2 O-O 13. Ne3 Ba6 14. Rb1 Nfd7 15. Bd2 Qc7 16. b3 Bb7 17. a4 Nf6 18. Qc2 Ba6 19. Rfc1 Rfb8 20. Qd1 Qd7 21. a5 Nc8 22. Na4 Bb5 23. Nc4 Qf5 24. Be1 h5 25. f3 Bh6 26. e4 Qd7 27. f4 Ra7 28. Nab6 Nxb6 29. Nxb6 Qb7 30. b4 cxb4 31. Bxb4 Qa6 32. Be1 Be2 33. Qd4 Bg7 34. Qb4 Bd3 35. Rb3 Ng4 36. Rc6 Ne3 37. Bf3 Nc2 38. Rxc2 Bxc2 39. Re3 Qxa5 40. Qxa5 Rxa5 41. Bxa5 Bd4 1/2-1/2 [Event "ch-USA w 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "7"] [White "Zatonskih, A."] [Black "Krush, I."] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2510"] [BlackElo "2457"] [PlyCount "61"] [EventDate "2012.05.08"] 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Nc3 O-O 6. Bg2 dxc4 7. a3 Be7 8. Ne5 c5 9. dxc5 Qxd1+ 10. Nxd1 Bxc5 11. Nxc4 Nc6 12. Bf4 Nd5 13. Bd6 Bxd6 14. Nxd6 Rd8 15. Nb5 Nce7 16. Nbc3 Nxc3 17. Nxc3 Bd7 18. O-O-O Bc6 19. Bxc6 Nxc6 20. Rxd8+ Rxd8 21. Rd1 Rxd1+ 22. Kxd1 Kf8 23. Kd2 Ke7 24. f3 f6 25. Kd3 Kd6 26. Ne4+ Kd5 27. Nc3+ Kd6 28. Ne4+ Kd5 29. Nc3+ Kd6 30. Ne4+ Kd5 31. Nc3+ 1/2-1/2 [Event "ch-USA w 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "7"] [White "Goletiani, R."] [Black "Abrahamyan, T."] [Result "1-0"] [ECO "A15"] [WhiteElo "2333"] [BlackElo "2329"] [PlyCount "83"] [EventDate "2012.05.08"] 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d3 d6 6. e4 c5 7. Nge2 Nc6 8. O-O Nd4 9. h3 Ne8 10. Rb1 Bd7 11. b4 b6 12. Kh2 Nc7 13. Nxd4 cxd4 14. Ne2 b5 15. f4 a5 16. a3 axb4 17. axb4 Ra2 18. Bd2 bxc4 19. dxc4 Ba4 20. Qe1 Bc2 21. Rc1 Qa8 22. Ra1 Rxa1 23. Qxa1 Bd3 24. Qe1 Bxc4 25. f5 Qa6 26. Rf2 Nb5 27. Nf4 Nc3 28. Nd5 Nxd5 29. exd5 Qb7 30. Qe4 Bb5 31. h4 Rc8 32. Bh3 Rc7 33. Qf3 Be8 34. h5 gxh5 35. f6 exf6 36. Qxh5 Bd7 37. Re2 Qc8 38. Re7 Be8 39. Bxc8 Rxe7 40. Bf5 Bb5 41. Qxh7+ Kf8 42. Bd3 1-0 [Event "ch-USA w 2012"] [Site "Saint Louis USA"] [Date "2012.05.16"] [Round "7"] [White "Foisor, S."] [Black "Melekhina, A."] [Result "1-0"] [ECO "E87"] [WhiteElo "2364"] [BlackElo "2242"] [PlyCount "111"] [EventDate "2012.05.08"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. O-O-O a6 10. c5 Nd7 11. cxd6 cxd6 12. Bd3 Ndf6 13. Nge2 b5 14. Kb1 Bd7 15. Rc1 Rb8 16. h3 f4 17. Bf2 Qa5 18. b3 Ne8 19. Rc2 b4 20. Nd1 Nc7 21. Nb2 Nb5 22. Bxb5 Bxb5 23. Nc4 Bxc4 24. Rxc4 Qb5 25. Rhc1 Nf6 26. Rc6 Rfd8 27. Qc2 a5 28. Qc4 Ne8 29. Qxb5 Rxb5 30. Ra6 Rdb8 31. Rcc6 Bf6 32. Bb6 Bd8 33. Bxd8 Rxd8 34. Ra7 Rdb8 35. Nc1 R8b7 36. Rxb7 Rxb7 37. Ra6 Rb5 38. Nd3 h6 39. Nb2 Kf7 40. Nc4 Ke7 41. Ra7+ Kf6 42. Nxa5 Kg5 43. Nc6 Kh4 44. Re7 Kg3 45. Rxe8 Kxg2 46. Kc2 Kxf3 47. Kd3 g5 48. Re6 Kg2 49. Rxd6 f3 50. Rf6 Rc5 51. Nxb4 Rc1 52. Nc2 Kxh3 53. Rxf3+ Kg2 54. Rf5 g4 55. Ne3+ Kg3 56. Rxe5 1-0 

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