56th US Championship; 2012
May 8-17, 2009
Saint Louis, Missouri



                                 1 2 3 4 5 6 7 8 9 0 1 2         PERF  +/-
 1. Nakamura,  Hikaru      2775  x 1 ½ ½ ½ ½ 1 1 1 ½ 1 1  8½-2½  2833  +7
 2. Kamsky, Gata           2741  0 x 1 ½ 1 1 ½ ½ 0 1 1 1  7½-3½  2755  +2
 3. Onischuk, Alexander    2660  ½ 0 x ½ ½ ½ ½ 1 1 ½ 1 ½  6½-4½  2694  +5
 4. Shulman, Yuri          2571  ½ ½ ½ x ½ ½ ½ ½ ½ ½ ½ 1  6 -5   2670  +15
 5. Lenderman, Aleksandr   2587  ½ 0 ½ ½ x ½ 1 ½ ½ 1 ½ ½  6 -5   2669  +13
 6. Akobian, Varuzhan      2625  ½ 0 ½ ½ ½ x 0 1 1 1 0 1  6 -5   2665  +6
 7. Robson, Ray            2614  0 ½ ½ ½ 0 1 x 1 ½ 1 ½ 0  5½-5½  2635  +3
 8. Hess, Robert L.        2635  0 ½ 0 ½ ½ 0 0 x 1 ½ 1 1  5 -6   2602  -5
 9. Kaidanov, Gregory S.   2594  0 1 0 ½ ½ 0 ½ 0 x 0 1 ½  4 -7   2540  -9
10. Ramirez, Alejandro     2593  ½ 0 ½ ½ 0 0 0 ½ 1 x 1 0  4 -7   2540  -8
11. Stripunsky, Alexander  2562  0 0 0 ½ ½ 1 ½ 0 0 0 x 1  3½-7½  2508  -8
12. Seirawan, Yasser       2643  0 0 ½ 0 ½ 0 1 0 ½ 1 0 x  3½-7½  2501  -22

                    ROUND BY ROUND
                 1 2 3 4 5 6 7 8 9 0 1
 1. Nakamura     1 ½ 1 ½ 1 ½ ½ 1 ½ 1 1
 2. Kamsky       1 ½ 1 0 1 ½ 1 1 1 0 ½
 3. Onischuk     1 ½ 0 ½ 1 ½ ½ ½ 1 ½ ½
 4. Akobian      1 ½ 0 ½ 0 ½ 1 1 0 ½ 1
 5. Lenderman    1 ½ ½ ½ ½ ½ ½ 0 ½ ½ 1
 6. Shulman      ½ ½ 1 ½ ½ ½ ½ ½ ½ ½ ½
 7. Robson       0 ½ 0 1 1 0 ½ ½ 1 ½ ½
 8. Hess         0 1 ½ 0 0 1 0 ½ 1 ½ ½
 9. Kaidanov     ½ 1 ½ 1 0 0 0 ½ 0 ½ 0
10. Ramirez      0 ½ ½ 0 0 ½ 1 0 ½ 1 0
11. Seirawan     0 0 0 1 0 1 ½ ½ 0 ½ 0
12. Stripunsky   0 0 1 ½ 1 ½ 0 0 0 0 ½



ROUND 1
Akobian - Seirawan     1-0
Shulman - Kaidanov     ½-½
Stripunsky - Onischuk  0-1
Lenderman - Robson     1-0
Kamsky - Ramirez       1-0
Nakamura - Hess        1-0

ROUND 2
Seirawan - Hess        0-1
Ramirez - Nakamura     ½-½
Robson - Kamsky        ½-½
Onischuk - Lenderman   ½-½
Kaidanov - Stripunsky  1-0
Akobian - Shulman      ½-½

ROUND 3
Shulman - Seirawan     1-0
Stripunsky - Akobian   1-0
Lenderman - Kaidanov   ½-½
Kamsky - Onischuk      1-0
Nakamura - Robson      1-0
Hess - Ramirez         ½-½

ROUND 4
Seirawan - Ramirez     1-0
Robson - Hess          1-0
Onischuk - Nakamura    ½-½
Kaidanov - Kamsky      1-0
Akobian - Lenderman    ½-½
Shulman - Stripunsky   ½-½

ROUND 5
Stripunsky - Seirawan  1-0
Lenderman - Shulman    ½-½
Kamsky - Akobian       1-0
Nakamura - Kaidanov    1-0
Hess - Onischuk        0-1
Ramirez - Robson       0-1

ROUND 6
Seirawan - Robson      1-0
Onischuk - Ramirez     ½-½
Kaidanov - Hess        0-1
Akobian - Nakamura     ½-½
Shulman - Kamsky       ½-½
Stripunsky - Lenderman ½-½

ROUND 7
Lenderman - Seirawan    ½-½
Kamsky - Stripunsky     1-0
Nakamura - Shulman      ½-½
Hess - Akobian          0-1
Ramirez - Kaidanov      1-0
Robson - Onischuk       ½-½

ROUND 8
Seirawan - Onischuk     ½-½
Kaidanov - Robson       ½-½
Akobian - Ramirez       1-0
Shulman - Hess          ½-½
Stripunsky - Nakamura   0-1
Lenderman - Kamsky      0-1

ROUND 9
Kamsky - Seirawan       1-0
Nakamura - Lenderman    ½-½
Hess - Stripunsky       1-0
Ramirez - Shulman       ½-½
Robson - Akobian        1-0
Onischuk - Kaidanov     1-0

ROUND 10
Seirawan - Kaidanov     ½-½
Akobian - Onischuk      ½-½
Shulman - Robson        ½-½
Stripunsky - Ramirez    0-1
Lenderman - Hess        ½-½
Kamsky - Nakamura       0-1

ROUND 11
Nakamura - Seirawan     1-0
Hess - Kamsky           ½-½
Ramirez - Lenderman     0-1
Robson - Stripunsky     ½-½
Onischuk - Shulman      ½-½
Kaidanov - Akobian      0-1

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    USCF Crosstable

    [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.08"] [EventDate "2012.05.07"] [Round "1"] [Result "1-0"] [White "Hikaru Nakamura"] [Black "Robert Lee Hess"] [ECO "C51"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "65"] 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bd6 6.d4 Qe7 7.O-O Nf6 8.Nbd2 O-O 9.Re1 Ba3 10.Nxe5 Nxe5 11.dxe5 Ne8 12.f4 Bxc1 13.Rxc1 d6 14.exd6 cxd6 15.Nf3 Bg4 16.h3 Rc8 17.Bb3 Bxf3 18.Qxf3 Rc5 19.Re3 Nc7 20.e5 dxe5 21.Qxb7 a5 22.Qe4 Ne6 23.fxe5 Re8 24.Rd1 Qc7 25.Rdd3 h6 26.Bd5 Qb6 27.c4 Qb1+ 28.Kh2 Qxa2 29.Bxe6 fxe6 30.Rd7 Kh8 31.Rxg7 Kxg7 32.Rg3+ Kf8 33.Qh7 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.08"] [EventDate "?"] [Round "1"] [Result "0-1"] [White "Alexander Yevgenyevich Stripunsky"] [Black "Alexander Onischuk"] [ECO "B11"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "21"] 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nd7 7. Qe2 d4 8. Nb1 h5 9. h4 g5 10. hxg5 Qxg5 11. d3 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.08"] [EventDate "?"] [Round "1"] [Result "1-0"] [White "Gata Kamsky"] [Black "Alejandro Ramirez Alvarez"] [ECO "B42"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "77"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O e5 7. Nb3 Nc6 8. Nc3 d6 9. Nd5 Be7 10. c4 Be6 11. Be3 Nd7 12. Qd2 O-O 13. Rad1 Nc5 14. Bb1 Rc8 15. Nc1 Re8 16. Nxe7+ Rxe7 17. b3 Rd7 18. Ne2 b5 19. cxb5 axb5 20. h3 b4 21. f4 exf4 22. Nxf4 Qh4 23. Nd5 Nxe4 24. Bxe4 Qxe4 25. Nb6 Rdd8 26. Nxc8 Rxc8 27. Rf4 Qe5 28. Kh1 h6 29. Rf3 d5 30. Re1 Qh5 31. Rg3 Ne7 32. Bd4 Nf5 33. Rg4 Nxd4 34. Rxd4 Qg6 35. Rc1 Re8 36. Kh2 Qh5 37. Re1 Rc8 38. Rxb4 Bf5 39. g4 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.08"] [EventDate "?"] [Round "1"] [Result "1-0"] [White "Varuzhan Eduardovich Akobian"] [Black "Yasser Seirawan"] [ECO "D37"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "111"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bf4 dxc4 6. e3 Nd5 7. Bxc4 Nxf4 8. exf4 Bd6 9. g3 O-O 10. O-O b6 11. Re1 Bb7 12. d5 exd5 13. Bxd5 Bxd5 14. Qxd5 Nf6 15. Qc6 Qd7 16. Qxd7 Nxd7 17. Nb5 Nf6 18. Rac1 Rfc8 19. Rc6 Kf8 20. Rec1 Rd8 21. Nxc7 Rab8 22. a3 a5 23. Kg2 Ne4 24. R1c4 Nc5 25. b4 axb4 26. axb4 Bxc7 27. Rxc7 Ne6 28. Ra7 Ra8 29. Rxa8 Rxa8 30. Rc6 Rb8 31. Ng5 Nd8 32. Rc7 h6 33. Nf3 Rb7 34. Rc8 Ke7 35. Ne5 Ne6 36. b5 Nc7 37. Nc6+ Kd6 38. Rd8+ Kc5 39. Rd7 Kxb5 40. Nd8 Ra7 41. Rxf7 g6 42. g4 Ra8 43. Rxc7 Rxd8 44. Rh7 h5 45. f5 hxg4 46. fxg6 Rg8 47. Rh6 Kc4 48. Kg3 b5 49. Kxg4 b4 50. Kg5 b3 51. Rh4+ Kc5 52. Re4 b2 53. Re1 Rb8 54. Rb1 Kd6 55. g7 Ke7 56. Rxb2 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.08"] [EventDate "?"] [Round "1"] [Result "1-0"] [White "Aleksandr Lenderman"] [Black "Ray Robson"] [ECO "D97"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "127"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. e5 b5 9. Qb3 Nfd7 10. Be2 c5 11. e6 cxd4 12. exf7+ Kh8 13. Ne4 Ne5 14. Nxe5 Bxe5 15. h4 Bb7 16. h5 Bxe4 17. Bf3 Bf5 18. g4 Nd7 19. gxf5 gxf5 20. Bh6 Bg7 21. Bxg7+ Kxg7 22. Rg1+ Kf6 23. Bxa8 Qxa8 24. Qg3 Qe4+ 25. Kf1 Ne5 26. Re1 Qd3+ 27. Qxd3 Nxd3 28. Rd1 Nxb2 29. Rxd4 Rxf7 30. h6 Nc4 31. Rd8 Ne5 32. Ra8 Ng4 33. Rxa6+ e6 34. Kg2 Nxh6 35. Re1 Rg7+ 36. Kh3 Re7 37. Re2 Ng4 38. Rb6 Ne5 39. Rxb5 Nf3 40. Re3 Ng5+ 41. Kg2 Ra7 42. a3 h5 43. Rb4 Rc7 44. a4 Rc2 45. Ra3 Ne4 46. a5 Nxf2 47. Kg1 Ng4 48. a6 Rc1+ 49. Kg2 Rc2+ 50. Kf1 Rc1+ 51. Ke2 Rc2+ 52. Ke1 Rc1+ 53. Kd2 Rc8 54. a7 Ra8 55. Rb8 Rxa7 56. Rxa7 Kg5 57. Rh8 e5 58. Rg7+ Kh4 59. Rgh7 Nf6 60. Rh6 Ne4+ 61. Ke3 Ng3 62. Kf3 f4 63. Rg6 Nf5 64. Rg4+ 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.08"] [EventDate "2012.05.08"] [Round "1"] [Result "1/2-1/2"] [White "Yury Markovich Shulman"] [Black "Gregory Zinovyevich Kaidanov"] [ECO "E11"] [WhiteElo "2571"] [BlackElo "2594"] [PlyCount "167"] 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. Bd3 c5 9. h4 g6 10. h5 cxd4 11. Qc2 Nc5 12. hxg6 Nxd3+ 13. Qxd3 fxg6 14. Nxd4 Nc6 15. Nxc6 bxc6 16. Qh3 Rf7 17. Nf3 dxc4 18. O-O Qd3 19. Be3 c5 20. Rac1 Qf5 21. Qg3 Rb8 22. Rxc4 Ba6 23. Rf4 Qd3 24. Rc1 Rxf4 25. Qxf4 Rxb2 26. Qa4 Qb5 27. Qg4 Qb6 28. Ng5 Rb1 29. Qf4 Bxg5 30. Qxg5 Bc4 31. Kh2 Rxc1 32. Bxc1 Qc7 33. Qf6 Qf7 34. Qh4 Bb5 35. Bh6 c4 36. Qd8+ Be8 37. f3 Qd7 38. Qf6 Qf7 39. Qd8 Qd7 40. Qh4 c3 41. Qb4 Qf7 42. Qxc3 Qe7 43. Qc4 Bd7 44. Qe4 Bc6 45. Qf4 a5 46. Kg3 Be8 47. Qe3 a4 48. Kh3 Bd7 49. g4 Be8 50. Kg3 Bd7 51. Bg5 Qf7 52. Qc1 Be8 53. Qc5 Qf8 54. Qc8 Qf7 55. Qc4 Kg7 56. Qc1 Kg8 57. Qd2 Qf8 58. Qe3 Qf7 59. Bh6 Qe7 60. Qc3 Kf7 61. Qd2 Kg8 62. Qc1 Bd7 63. Qc7 Kf7 64. Bg5 Qe8 65. Qd6 Kg8 66. Bh6 Kf7 67. Bg5 Kg8 68. Qd4 Kf7 69. Bh6 Qe7 70. Bg5 Qe8 71. Bd2 Kg8 72. Qd6 Kf7 73. Qd4 Kg8 74. Bh6 Qe7 75. Qe3 Be8 76. Bg5 Qf7 77. Qb6 Kg7 78. Bf6+ Kg8 79. Qb4 Qf8 80. Qb8 Qf7 81. Bg5 Qd7 82. Bh6 Qe7 83. Bg5 Qd7 84. Bh6 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.09"] [EventDate "2012.05.07"] [Round "2"] [Result "1/2-1/2"] [White "Ray Robson"] [Black "Gata Kamsky"] [ECO "B27"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "56"] 1.e4 c5 2.Nf3 b6 3.d4 cxd4 4.Nxd4 Bb7 5.Nc3 Nc6 6.Be3 Nf6 7.f3 e6 8.Qd2 Bb4 9.O-O-O O-O 10.a3 Bxc3 11.Qxc3 Rc8 12.Qe1 Nxd4 13.Bxd4 Qc7 14.Bd3 e5 15.Bc3 Rfe8 16.Qh4 a5 17.Rhe1 d6 18.Re3 b5 19.f4 b4 20.axb4 axb4 21.Bxb4 Qb6 22.Rg3 Qxb4 23.Qxf6 g6 24.f5 Ra8 25.Kb1 Qa4 26.Kc1 Qb4 27.Kb1 Qa4 28.Kc1 Qb4 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.09"] [EventDate "2012.05.08"] [Round "2"] [Result "1/2-1/2"] [White "Alexander Onischuk"] [Black "Aleksandr Lenderman"] [ECO "D38"] [WhiteElo "2660"] [BlackElo "2587"] [PlyCount "78"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 c5 8. cxd5 exd5 9. Qb3 O-O 10. dxc5 Bxc3+ 11. Qxc3 Qxc3+ 12. bxc3 Nd7 13. Rd1 Nxc5 14. Rxd5 b6 15. c4 Be6 16. Rd4 Rfc8 17. g4 Rc7 18. g5 hxg5 19. Nxg5 Bf5 20. Bg2 Rac8 21. O-O Ne6 22. Nxe6 fxe6 23. Rc1 b5 24. Bf1 e5 25. Rd6 Rc5 26. e4 Bxe4 27. Re1 Bf3 28. cxb5 e4 29. h4 Rh5 30. Kh2 Rxh4+ 31. Bh3 Rh5 32. Rd5 Rxd5 33. Be6+ Kf8 34. Bxd5 Rc5 35. Bc6 Rc2 36. Kg3 Rxa2 37. Bxe4 Re2 38. Rxe2 Bxe2 39. Bc6 g5 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.09"] [EventDate "2012.05.08"] [Round "2"] [Result "1/2-1/2"] [White "Alejandro Ramirez Alvarez"] [Black "Hikaru Nakamura"] [ECO "D76"] [WhiteElo "2593"] [BlackElo "2775"] [PlyCount "80"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Nc6 8. e3 O-O 9. Nc3 Bd7 10. h3 Re8 11. Kh2 Qc8 12. Re1 e5 13. d5 Na5 14. e4 c6 15. b3 cxd5 16. Nxd5 Nxd5 17. Qxd5 Nc6 18. Ng5 Nd8 19. Rd1 Bc6 20. Qc4 h6 21. Nf3 b5 22. Qe2 Qb7 23. Re1 Ne6 24. Bb2 Nd4 25. Nxd4 exd4 26. Rad1 Rad8 27. Rd2 f5 28. Qd1 Re7 29. Bxd4 Red7 30. Be3 Bc3 31. Rxd7 Rxd7 32. Qc1 Bxe1 33. Qxe1 Bxe4 34. Bxe4 Qxe4 35. Qc1 Kf7 36. Bxh6 Qf3 37. Qc5 Ke6 38. Be3 a6 39. Qc8 Qd5 40. Qg8+ Kf6 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.09"] [EventDate "2012.05.08"] [Round "2"] [Result "1/2-1/2"] [White "Varuzhan Eduardovich Akobian"] [Black "Yury Markovich Shulman"] [ECO "D45"] [WhiteElo "2625"] [BlackElo "2571"] [PlyCount "83"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 a6 6. b3 Bb4 7. Bd2 Bd6 8. Bd3 c5 9. O-O O-O 10. cxd5 exd5 11. e4 cxd4 12. Nxd5 Nxd5 13. exd5 Bg4 14. h3 Bh5 15. g4 Bg6 16. Bxg6 hxg6 17. Rc1 Nd7 18. Rc4 Ne5 19. Rxd4 Bc5 20. Re4 Nxf3+ 21. Qxf3 Qxd5 22. Be3 Rae8 23. Bxc5 Qxe4 24. Qxe4 Rxe4 25. Bxf8 Kxf8 26. Rc1 Rb4 27. Rc7 a5 28. Kg2 b5 29. Rb7 a4 30. bxa4 Rxa4 31. Rxb5 Rxa2 32. Rb8+ Ke7 33. Rg8 Kf6 34. h4 g5 35. hxg5+ Kg6 36. Kg3 Ra3+ 37. f3 Rb3 38. Rf8 Ra3 39. Kf2 Ra2+ 40. Ke3 Ra3+ 41. Kf4 Ra4+ 42. Kg3 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.09"] [EventDate "2012.05.08"] [Round "2"] [Result "0-1"] [White "Yasser Seirawan"] [Black "Robert Lee Hess"] [ECO "E32"] [WhiteElo "2643"] [BlackElo "2635"] [PlyCount "94"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. f3 c5 9. dxc5 bxc5 10. e3 d6 11. O-O-O a5 12. Bxf6 gxf6 13. Ne2 Ra6 14. Nf4 Nd7 15. Nh5 Kh8 16. Be2 Rg8 17. g4 a4 18. Rd2 Rxg4 19. fxg4 Bxh1 20. g5 Be4 21. Bd3 Bxd3 22. Rxd3 e5 23. gxf6 Qg8 24. Qd2 Nb6 25. Qe2 Nd7 26. Qf3 Rb6 27. e4 Qg1+ 28. Rd1 Qxh2 29. Rd2 Qg1+ 30. Rd1 Qg5+ 31. Kc2 Rb3 32. Rd3 Rxd3 33. Kxd3 h6 34. Qf5 Nb6 35. Qxg5 hxg5 36. Ng3 Kh7 37. Nf5 Kg6 38. Nxd6 g4 39. Nb7 Nxc4 40. Nxc5 Nxb2+ 41. Ke2 Kxf6 42. Kf2 Kg6 43. Kg2 Kh5 44. Nd7 Nd3 45. Nb6 Nc5 46. Nc4 Nxe4 47. Nxe5 f5 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.09"] [EventDate "2012.05.08"] [Round "2"] [Result "1-0"] [White "Gregory Zinovyevich Kaidanov"] [Black "Alexander Yevgenyevich Stripunsky"] [ECO "D43"] [WhiteElo "2594"] [BlackElo "2562"] [PlyCount "105"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 Nbd7 6. Bg2 dxc4 7. O-O Bb4 8. Qc2 Qe7 9. e4 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. Bf4 Qa5 13. Bd2 O-O 14. a3 Bd6 15. Nd5 Qd8 16. Ne3 b5 17. Rad1 Qe7 18. e5 Bxe5 19. Bxc6 Rb8 20. Bb4 Qc7 21. Bg2 Rd8 22. Rxd8+ Qxd8 23. Rd1 Qe8 24. Re1 Be6 25. Nf5 Bc7 26. Bc6 Qd8 27. Rd1 Qxd1+ 28. Qxd1 Bxf5 29. Qd4 Rd8 30. Qxa7 Bh3 31. Bf3 Be5 32. Be7 Re8 33. Bc6 Rc8 34. Bb7 Re8 35. Bc6 Rc8 36. Bxb5 Bxb2 37. Ba6 c3 38. Bxc8 c2 39. Qc7 c1=Q+ 40. Qxc1 Bxc1 41. Bxh3 Nd5 42. Bc5 Bd2 43. Bg2 Nc3 44. Bc6 f5 45. a4 Kf7 46. Kf1 Nb1 47. Bb6 Ke6 48. a5 Kd6 49. Bb7 Bb4 50. a6 Nd2+ 51. Ke2 Nc4 52. Bd4 Kc7 53. Bd5 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.10"] [EventDate "2012.05.07"] [Round "3"] [Result "1-0"] [White "Hikaru Nakamura"] [Black "Ray Robson"] [ECO "B76"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "97"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 O-O 9.g4 Be6 10.Nxe6 fxe6 11.O-O-O Ne5 12.Be2 Qc8 13.h4 Nfd7 14.f4 Nc4 15.Bxc4 Qxc4 16.e5 Nb6 17.h5 dxe5 18.hxg6 hxg6 19.Qh2 Rxf4 20.Bxf4 Qxf4+ 21.Kb1 Qxh2 22.Rxh2 Rf8 23.Ne4 Rf4 24.Ng5 Rxg4 25.Nxe6 Bf6 26.b3 Nc8 27.c4 Nd6 28.c5 Nb5 29.Rd7 Kf7 30.Rxb7 Rg1+ 31.Kc2 Na3+ 32.Kb2 Nb1 33.Nd8+ Ke8 34.Nc6 e4+ 35.Kc2 Na3+ 36.Kd2 Nb1+ 37.Ke3 Re1+ 38.Kf2 Rc1 39.Rh7 Rc2+ 40.Kg3 Rc3+ 41.Kg4 e3 42.Nxe7 e2 43.Nd5 Rg3+ 44.Kf4 Bg5+ 45.Ke5 e1=Q+ 46.Kd6 Bf4+ 47.Nxf4 Rd3+ 48.Nxd3 Qg3+ 49.Ne5 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.10"] [EventDate "2012.05.08"] [Round "3"] [Result "1/2-1/2"] [White "Aleksandr Lenderman"] [Black "Gregory Zinovyevich Kaidanov"] [ECO "A33"] [WhiteElo "2587"] [BlackElo "2594"] [PlyCount "60"] 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d5 7. cxd5 exd5 8. g3 Be7 9. Bg2 O-O 10. O-O Bg4 11. h3 Bd7 12. Nxc6 bxc6 13. Be3 Re8 14. Na4 Bd6 15. Bc5 Bc7 16. Bd4 Ne4 17. Nc5 Nxc5 18. Bxc5 h5 19. b4 h4 20. g4 f5 21. f3 Qg5 22. e3 fxg4 23. fxg4 Bb6 24. Bxb6 axb6 25. e4 Qe3+ 26. Rf2 Be6 27. exd5 cxd5 28. Qc1 Qxc1+ 29. Rxc1 Rxa3 30. Re1 d4 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.10"] [EventDate "2012.05.08"] [Round "3"] [Result "1-0"] [White "Alexander Yevgenyevich Stripunsky"] [Black "Varuzhan Eduardovich Akobian"] [ECO "C03"] [WhiteElo "2562"] [BlackElo "2625"] [PlyCount "79"] 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nf6 6. Qe2 O-O 7. Ngf3 Nfd7 8. Nb3 a5 9. e5 a4 10. h4 f5 11. exf6 Rxf6 12. Nbd4 Nxc5 13. Bg5 Nc6 14. Nxc6 bxc6 15. Ne5 Qa5+ 16. Kf1 Qc7 17. Re1 Nxd3 18. cxd3 Rf5 19. Bxe7 Qxe7 20. Nxc6 Qc5 21. Ne5 d4 22. Kg1 Qd5 23. Nc4 Rb8 24. Rh3 Ba6 25. Rg3 Rbf8 26. Nb6 Qd6 27. Qxe6+ Qxe6 28. Rxe6 R8f6 29. Rxf6 Rxf6 30. Nxa4 Rc6 31. b4 Rc1+ 32. Kh2 Ra1 33. Nc5 Bb5 34. Ne6 g6 35. Rf3 h6 36. Nxd4 Be8 37. Re3 Bf7 38. Re2 Bxa2 39. Re8+ Kf7 40. Ra8 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.10"] [EventDate "2012.05.08"] [Round "3"] [Result "1/2-1/2"] [White "Robert Lee Hess"] [Black "Alejandro Ramirez Alvarez"] [ECO "B42"] [WhiteElo "2635"] [BlackElo "2593"] [PlyCount "81"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O e5 7. Bg5 h6 8. Bxf6 Qxf6 9. Nf5 g6 10. Ne3 Bc5 11. b4 Ba7 12. Nd2 d6 13. Ndc4 O-O 14. Qd2 Kg7 15. Kh1 Nc6 16. Nd5 Qd8 17. f4 exf4 18. Qxf4 Bd4 19. Rad1 Be6 20. Qxd6 Qxd6 21. Nxd6 Nxb4 22. Nxb4 Bc5 23. Nf5+ gxf5 24. exf5 Bxb4 25. Rf4 Bxf5 26. Bxf5 Rad8 27. Rg4+ Kh8 28. Rb1 a5 29. Bd3 b6 30. Rf1 Bc5 31. Rh4 Rd6 32. g4 Kg7 33. Rh5 Re8 34. g5 Be3 35. gxh6+ Rxh6 36. Rhf5 Re7 37. R5f3 Bd4 38. Rg3+ Kf8 39. Rg4 Be5 40. Rf2 Bd6 41. Re4 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.10"] [EventDate "2012.05.08"] [Round "3"] [Result "1-0"] [White "Yury Markovich Shulman"] [Black "Yasser Seirawan"] [ECO "E17"] [WhiteElo "2571"] [BlackElo "2643"] [PlyCount "83"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. e4 d6 12. Bf4 Ne8 13. Nc3 Na6 14. Qd2 Nc5 15. Rfd1 Ne6 16. Nxe7+ Qxe7 17. Bxd6 Nxd6 18. Qxd6 Qxd6 19. Rxd6 Rfd8 20. Rad1 Rxd6 21. Rxd6 Rd8 22. Rxd8+ Nxd8 23. e5 Kf8 24. f4 Bc8 25. Kf2 Ke7 26. Ke3 f6 27. exf6+ Kxf6 28. a3 h6 29. Bf3 Bd7 30. h4 Nf7 31. g4 Ke7 32. Ne4 c5 33. Ng3 Nd6 34. Be2 Be6 35. Ne4 Nxe4 36. Kxe4 Kd6 37. g5 Bg8 38. gxh6 Bh7+ 39. f5 gxh6 40. Bc4 Ke7 41. Ke5 Kf8 42. Kf6 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.10"] [EventDate "2012.05.08"] [Round "3"] [Result "1-0"] [White "Gata Kamsky"] [Black "Alexander Onischuk"] [ECO "D02"] [WhiteElo "2741"] [BlackElo "2660"] [PlyCount "95"] 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 b6 5. Nf3 Bb7 6. h3 Be7 7. Nbd2 cxd4 8. cxd4 O-O 9. a3 d6 10. Be2 Nbd7 11. O-O Rc8 12. Bh2 Ne4 13. Nxe4 Bxe4 14. Ba6 Rc7 15. Nd2 Bc6 16. Qe2 Qa8 17. e4 Bb7 18. Bd3 e5 19. Nc4 b5 20. Na5 exd4 21. Bxb5 Ne5 22. Nxb7 Qxb7 23. Rac1 Rxc1 24. Rxc1 Rc8 25. Rd1 Qb6 26. a4 h6 27. Bg3 Qc5 28. Kh2 Bf6 29. f4 Ng6 30. Bd3 h5 31. b4 Qxb4 32. Qxh5 Qxa4 33. e5 dxe5 34. fxe5 Rc5 35. Re1 Nf8 36. Qg4 Be7 37. Rb1 Qd7 38. Bf5 Qd5 39. Rb8 g6 40. Re8 Rc7 41. Bxg6 fxg6 42. Qxg6+ Kh8 43. e6 Rb7 44. Qf7 Rb2 45. Rxf8+ Bxf8 46. Qxf8+ Kh7 47. Qf7+ Kh8 48. Qe8+ 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.11"] [EventDate "2012.05.08"] [Round "3"] [Result "1/2-1/2"] [White "Alexander Onischuk"] [Black "Hikaru Nakamura"] [ECO "A10"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "82"] 1.d4 e6 2.c4 b6 3.Nc3 Bb7 4.e4 Bb4 5.f3 Ne7 6.Bd3 f5 7.Ne2 fxe4 8.fxe4 O-O 9.Be3 e5 10.d5 Na6 11.Qd2 Nc5 12.Bc2 Nc8 13.a3 Bxc3 14.Qxc3 Nd6 15.Ng3 a5 16.O-O-O a4 17.Nf5 Ncxe4 18.Bxe4 Nxf5 19.Bxf5 Rxf5 20.g4 Rf3 21.Qxe5 Qe8 22.Bd4 Qxe5 23.Bxe5 d6 24.Bc3 Ba6 25.Rd4 Re8 26.c5 bxc5 27.Rxa4 Bb5 28.Ra7 Rf7 29.Re1 Rc8 30.Re4 Kf8 31.Kd2 Bf1 32.Rea4 Ke7 33.Ra8 Kd7 34.Rxc8 Kxc8 35.Ra8+ Kb7 36.Rh8 g6 37.g5 Rf5 38.h4 Rf7 39.Bf6 Bg2 40.Re8 Bxd5 41.Re7 Rxe7 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.11"] [EventDate "2012.05.08"] [Round "4"] [Result "1/2-1/2"] [White "Varuzhan Eduardovich Akobian"] [Black "Aleksandr Lenderman"] [ECO "D38"] [WhiteElo "2625"] [BlackElo "2587"] [PlyCount "65"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 Nbd7 8. e3 g5 9. Bg3 Ne4 10. Nd2 Nxg3 11. hxg3 Nb6 12. Bd3 Be6 13. Qc2 c6 14. O-O-O Qe7 15. a3 Bd6 16. e4 dxe4 17. Bxe4 Bc7 18. Nb3 O-O-O 19. Bf5 Kb8 20. Rhe1 Bxb3 21. Rxe7 Bxc2 22. Kxc2 Rhf8 23. g4 Nd5 24. Nxd5 Rxd5 25. Rd7 Rxd7 26. Bxd7 Rd8 27. Bf5 Bb6 28. Kc3 a5 29. f3 Rd6 30. Be4 Bd8 31. d5 Bf6+ 32. Kc2 Kc7 33. dxc6 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.11"] [EventDate "2012.05.08"] [Round "4"] [Result "1-0"] [White "Ray Robson"] [Black "Robert Lee Hess"] [ECO "C54"] [WhiteElo "2614"] [BlackElo "2635"] [PlyCount "67"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nbd2 d5 8. exd5 Nxd5 9. O-O O-O 10. h3 Bf5 11. a3 Be7 12. Re1 Bg6 13. Ne4 Nf6 14. Nc3 Bh5 15. g4 Bg6 16. Bf4 a6 17. b4 a5 18. b5 Na7 19. Ne5 Ne8 20. Nd5 Bd6 21. h4 Bxe5 22. dxe5 Qxh4 23. Bg3 Qd8 24. Qf3 c6 25. bxc6 Nxc6 26. Rad1 Qg5 27. Bf4 Qh4 28. Bg3 Qg5 29. Bf4 Qh4 30. Kg2 h5 31. g5 Qg4+ 32. Qxg4 hxg4 33. e6 fxe6 34. Rxe6 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.11"] [EventDate "2012.05.08"] [Round "4"] [Result "1-0"] [White "Gregory Zinovyevich Kaidanov"] [Black "Gata Kamsky"] [ECO "D15"] [WhiteElo "2594"] [BlackElo "2741"] [PlyCount "95"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 g6 6. Qb3 Bg7 7. Ne5 O-O 8. Be2 dxc4 9. Bxc4 e6 10. O-O Qc7 11. Be2 Nbd7 12. f4 c5 13. Bf3 Rb8 14. a4 b5 15. axb5 Bb7 16. Bxb7 Qxb7 17. dxc5 Nxc5 18. Qa3 Rfc8 19. bxa6 Qa7 20. b4 Ncd7 21. Ra2 Bf8 22. Nxd7 Nxd7 23. Ne4 Rxb4 24. Qd3 Bg7 25. Bd2 Rbb8 26. Rb1 Nb6 27. Nd6 Rd8 28. Nb5 Qa8 29. Qe2 Nd5 30. a7 Rbc8 31. Rc1 Bf8 32. Rxc8 Rxc8 33. h3 h5 34. Kh2 h4 35. e4 Nf6 36. Ra4 Nh5 37. Rc4 Rc5 38. Rxc5 Bxc5 39. Be3 Bxa7 40. Bxa7 Nxf4 41. Qf3 g5 42. Be3 Ng6 43. Nd6 Qf8 44. Qd1 f6 45. Qd4 Qb8 46. Qb6 Qxb6 47. Bxb6 Kf8 48. Bd8 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.11"] [EventDate "2012.05.08"] [Round "4"] [Result "1/2-1/2"] [White "Yury Markovich Shulman"] [Black "Alexander Yevgenyevich Stripunsky"] [ECO "D47"] [WhiteElo "2571"] [BlackElo "2562"] [PlyCount "153"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bd6 9. O-O O-O 10. b3 Bb7 11. Bb2 Qb8 12. Rc1 Rd8 13. h3 h6 14. Qc2 a6 15. Ne4 Nxe4 16. Bxe4 Qa7 17. Rfd1 Nf6 18. Bd3 Rac8 19. Qe2 Qa8 20. Bb1 Be7 21. Ne1 c5 22. dxc5 Rxd1 23. Qxd1 Rxc5 24. Rxc5 Bxc5 25. Bxf6 gxf6 26. Qc2 Qc8 27. Qh7+ Kf8 28. Qxh6+ Ke7 29. e4 Qd8 30. Qc1 Qd4 31. Qf4 Bb6 32. Bc2 Qc3 33. Kf1 e5 34. Qf3 Qa1 35. a4 Bc6 36. Qd1 Qb2 37. axb5 axb5 38. Qd2 Bc5 39. Ke2 Qa1 40. Nd3 Bd4 41. Nb4 Qa8 42. Nxc6+ Qxc6 43. Bd3 Qc5 44. Kf3 Kf8 45. g3 Kg7 46. Kg2 Qa3 47. Bc2 Qb2 48. h4 Qc3 49. Qe2 b4 50. Bd1 Kf8 51. h5 Qc1 52. Qf3 Kg7 53. Be2 Qg5 54. Bc4 Kf8 55. Qd1 Kg7 56. f4 Qh6 57. Qg4+ Kf8 58. Kf3 Ke7 59. Bb5 Qh8 60. Qd7+ Kf8 61. Qc8+ Kg7 62. Qg4+ Kf8 63. Ke2 Ke7 64. Qd7+ Kf8 65. Qc8+ Kg7 66. Qg4+ Kh6 67. Qf5 Qg7 68. Kf3 exf4 69. Qxf4+ Qg5 70. Bc4 Qxf4+ 71. Kxf4 Kxh5 72. Kf5 Kh6 73. Bxf7 Kg7 74. Bc4 Bc3 75. g4 Bd2 76. Bd5 Bc1 77. Bc6 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.11"] [EventDate "2012.05.08"] [Round "4"] [Result "1-0"] [White "Yasser Seirawan"] [Black "Alejandro Ramirez Alvarez"] [ECO "D11"] [WhiteElo "2643"] [BlackElo "2593"] [PlyCount "185"] 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 e6 5. Bd3 dxc4 6. Bxc4 a6 7. O-O b5 8. Be2 Bb7 9. b3 Nbd7 10. Bb2 Be7 11. a4 b4 12. Ne5 O-O 13. Bf3 Nd5 14. Nxd7 Qxd7 15. Nd2 c5 16. dxc5 Bxc5 17. Nc4 Rad8 18. Qc2 Be7 19. Rfd1 Qc8 20. Rac1 Nf6 21. Bxb7 Qxb7 22. Na5 Qe4 23. Rd4 Qxc2 24. Rxc2 Rxd4 25. Bxd4 Ra8 26. Nc6 Bf8 27. Bxf6 gxf6 28. a5 Bd6 29. Kf1 Kf8 30. Ke2 Ke8 31. Rc4 Rc8 32. Kd3 Kd7 33. Nxb4 Rb8 34. Kc3 Rb5 35. Nxa6 Rxa5 36. Nb4 Rg5 37. g3 Rh5 38. h4 Ra5 39. Nd3 Ra2 40. Ra4 Re2 41. b4 e5 42. b5 f5 43. Ra7+ Ke8 44. b6 e4 45. Nf4 Rxf2 46. Ra5 Rf1 47. Rb5 Rc1+ 48. Kd4 Rd1+ 49. Kc4 Rc1+ 50. Kd5 Kd7 51. b7 Bb8 52. Kd4 Rd1+ 53. Kc3 Ke7 54. Rxf5 Rb1 55. Kd4 Rb4+ 56. Kd5 Rxb7 57. Kxe4 Kf8 58. Kf3 Rb1 59. Rh5 Kg7 60. Rg5+ Kf8 61. Nh5 h6 62. Rc5 Ke7 63. Ng7 Kf6 64. Nf5 Ba7 65. Ra5 Bb6 66. Rd5 Ke6 67. e4 Bc7 68. Rc5 Rb3+ 69. Kg4 Kd7 70. Rd5+ Ke8 71. e5 Rb6 72. Kh5 Rg6 73. g4 Rc6 74. Rb5 Kf8 75. Nxh6 Re6 76. g5 Rxe5 77. Rb7 Rc5 78. Ra7 Kg7 79. Ra8 f6 80. Rg8+ Kh7 81. Rf8 fxg5 82. Rf7+ Kh8 83. hxg5 Ba5 84. Rd7 Bc3 85. Kg6 Rc6+ 86. Kf7 Be5 87. Ng4 Bc3 88. Nf6 Bxf6 89. gxf6 Kh7 90. Ke7 Rc8 91. Rd8 Rc7+ 92. Kd6 Rf7 93. Ke6 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.12"] [EventDate "2012.05.08"] [Round "5"] [Result "1-0"] [White "Hikaru Nakamura"] [Black "Gregory Zinovyevich Kaidanov"] [ECO "E04"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "139"] 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 dxc4 5.Bg2 c5 6.O-O Nc6 7.Na3 cxd4 8.Nxc4 Bc5 9.Qc2 O-O 10.Nce5 Bb6 11.Nxc6 bxc6 12.Rd1 Bb7 13.Nxd4 Bxd4 14.e3 Qb6 15.exd4 Rfd8 16.Rd3 Rd7 17.Be3 Nd5 18.Rb3 Qa5 19.Bd2 Qd8 20.Qc5 h6 21.Rc1 Nb6 22.Be3 Nd5 23.a4 a5 24.Bd2 Ne7 25.Bc3 Nd5 26.h3 Ne7 27.Kh2 Nd5 28.Be1 Ne7 29.Qe5 Nf5 30.Bc3 Qg5 31.Rc2 Ne7 32.Qe1 Ra7 33.Re2 Nf5 34.Rd2 Ne7 35.Qe5 Qxe5 36.dxe5 Nd5 37.Bd4 Ra8 38.Bc5 Ba6 39.Rc2 Rb7 40.Rxb7 Bxb7 41.Bd4 Kf8 42.f4 Ke8 43.Rc5 Kd7 44.Kg1 Kc7 45.Bf2 Bc8 46.Bf1 h5 47.h4 g6 48.b3 Bb7 49.Bd3 Bc8 50.Kg2 Bd7 51.Kf3 Bc8 52.g4 hxg4+ 53.Kxg4 Bd7 54.Kg5 Kb7 55.Be4 Rh8 56.Bf3 Ra8 57.Rc4 Kc7 58.Bc5 Rh8 59.Rc1 Bc8 60.Bf2 Bd7 61.f5 Rg8 62.f6 Rh8 63.Rc5 Ra8 64.Kh6 Nf4 65.Be3 Nh5 66.Bxh5 gxh5 67.Kg7 Be8 68.Kf8 Kb7 69.Ke7 Kc7 70.Bd2 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.12"] [EventDate "2012.05.08"] [Round "5"] [Result "1/2-1/2"] [White "Aleksandr Lenderman"] [Black "Yury Markovich Shulman"] [ECO "E10"] [WhiteElo "2587"] [BlackElo "2571"] [PlyCount "60"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. Nbd2 O-O 6. b3 b6 7. Bb2 Bb7 8. Bd3 c5 9. O-O Nc6 10. Rc1 Rc8 11. Qe2 dxc4 12. bxc4 Qc7 13. dxc5 bxc5 14. Rfd1 Rfd8 15. Bc3 h6 16. h3 Nd7 17. Nb3 Nb4 18. Bb1 Bf6 19. Bxf6 Nxf6 20. a3 Bxf3 21. gxf3 Rxd1+ 22. Rxd1 Nc6 23. Nxc5 Ne5 24. Ne4 Nxe4 25. Bxe4 Qxc4 26. Qb2 Qc7 27. f4 Nd7 28. Qb4 Nf6 29. Bf3 g6 30. Kg2 Kg7 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.12"] [EventDate "2012.05.08"] [Round "5"] [Result "1-0"] [White "Alexander Yevgenyevich Stripunsky"] [Black "Yasser Seirawan"] [ECO "B10"] [WhiteElo "2562"] [BlackElo "2643"] [PlyCount "79"] 1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Qa4+ Nbd7 6. Nc3 g6 7. Nf3 Bg7 8. Bc4 a6 9. d3 O-O 10. Qa3 b6 11. O-O Bb7 12. Be3 b5 13. Bb3 Nb6 14. Bxb6 Qxb6 15. Qxe7 a5 16. Qe3 Qxe3 17. fxe3 a4 18. Bd1 Nxd5 19. Nxd5 Bxd5 20. d4 Rfe8 21. Kf2 a3 22. Bb3 axb2 23. Rab1 Bxb3 24. axb3 Ra2 25. Rfe1 Bf8 26. Re2 Ba3 27. Rc2 Ra1 28. Nd2 Kf8 29. Ke2 Ke7 30. e4 Kd7 31. Kd3 f6 32. b4 Ra8 33. Rc5 Rb8 34. Kc3 Rb6 35. g4 Re6 36. Kb3 Rd6 37. d5 Rb6 38. Rc3 Kd6 39. Rf3 Ke5 40. Rff1 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.12"] [EventDate "2012.05.08"] [Round "5"] [Result "0-1"] [White "Robert Lee Hess"] [Black "Alexander Onischuk"] [ECO "C78"] [WhiteElo "2635"] [BlackElo "2660"] [PlyCount "78"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 O-O 9. d4 Bb6 10. Be3 exd4 11. cxd4 Na5 12. d5 Bxe3 13. Rxe3 c6 14. d6 Nxb3 15. Qxb3 c5 16. Nbd2 Qb6 17. h3 Rae8 18. Qc2 Qc6 19. Rae1 Nh5 20. Nb3 Qxd6 21. Qxc5 Qh6 22. Nfd4 d6 23. Qc7 Bc8 24. Nc6 Nf4 25. Nbd4 Bxh3 26. Rxh3 Nxh3+ 27. gxh3 Qxh3 28. Qxd6 Qg4+ 29. Qg3 Rxe4 30. Rxe4 Qxe4 31. Nf5 g6 32. Ncd4 h5 33. Qg5 Re8 34. Nd6 Qe7 35. Qxe7 Rxe7 36. Nb3 Re2 37. Nc5 Rxb2 38. Nxa6 Rxa2 39. Nb4 Rd2 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.12"] [EventDate "2012.05.08"] [Round "5"] [Result "1-0"] [White "Gata Kamsky"] [Black "Varuzhan Eduardovich Akobian"] [ECO "C67"] [WhiteElo "2741"] [BlackElo "2625"] [PlyCount "99"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. Nc3 h6 11. b3 Ne7 12. h3 Ng6 13. Ne2 a5 14. a4 Be6 15. Bb2 Bc5 16. Nd2 Rd8 17. Ne4 Rxd1+ 18. Rxd1 Be7 19. f3 h5 20. Kf2 Bd5 21. N4g3 Bc5+ 22. Bd4 Bf8 23. c4 Be6 24. Ne4 b6 25. Bc3 c5 26. Bb2 Be7 27. N2c3 c6 28. Nd6+ Kf8 29. Nce4 h4 30. Nb7 Ke8 31. Nf6+ gxf6 32. exf6 Rg8 33. Ke3 Nf8 34. Rd2 Nd7 35. fxe7 Kxe7 36. Nd6 f6 37. Kf4 Nf8 38. Bc3 Ng6+ 39. Ke4 Nf8 40. Ke3 Rg6 41. Kf2 Rg8 42. Ne4 Nh7 43. Kf1 Rg6 44. Re2 Nf8 45. f4 Nd7 46. Be1 Rh6 47. f5 Bf7 48. Bd2 Rh8 49. Nxf6+ Kd8 50. Bg5 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.12"] [EventDate "2012.05.08"] [Round "5"] [Result "0-1"] [White "Alejandro Ramirez Alvarez"] [Black "Ray Robson"] [ECO "D34"] [WhiteElo "2593"] [BlackElo "2614"] [PlyCount "126"] 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Ne4 12. Rc1 Re8 13. Nd4 Bd7 14. Nb3 Bf5 15. Nac5 Bxc5 16. Bxc5 Qd7 17. Re1 Bh3 18. Bh1 h5 19. Be3 h4 20. Nc5 Nxc5 21. Bxc5 Rad8 22. Qd2 hxg3 23. hxg3 Re5 24. Qf4 Rde8 25. Bf3 g5 26. Qd2 Bg4 27. Bg2 f6 28. e3 Bh3 29. Bh1 Kg7 30. Bd4 Re4 31. Rc5 Nxd4 32. Bxe4 dxe4 33. exd4 Bg4 34. Qc3 Kg6 35. Rc7 Qd5 36. Qc5 Qxc5 37. dxc5 Bf3 38. Re3 g4 39. Rxb7 Rh8 40. Rxf3 gxf3 41. Rb4 Kf5 42. c6 Rc8 43. Rc4 Ke5 44. c7 f5 45. b3 a5 46. Kh2 Rh8+ 47. Kg1 Rc8 48. a3 Kd5 49. g4 fxg4 50. a4 Ke5 51. Kh2 Kf4 52. Rc5 Rh8+ 53. Kg1 Rc8 54. Kh2 g3+ 55. fxg3+ Ke3 56. Kg1 Ke2 57. Rc2+ Kd3 58. Rc4 e3 59. Kf1 f2 60. Kg2 Ke2 61. Rc2+ Ke1 62. Rc1+ Kd2 63. Rc4 e2 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.13"] [EventDate "2012.05.08"] [Round "6"] [Result "1/2-1/2"] [White "Varuzhan Eduardovich Akobian"] [Black "Hikaru Nakamura"] [ECO "A10"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "60"] 1.d4 e6 2.c4 b6 3.Nf3 Bb7 4.g3 Bxf3 5.exf3 c6 6.d5 Bb4+ 7.Bd2 Qe7 8.dxe6 Nf6 9.Nc3 O-O 10.Qe2 Re8 11.Bg2 Qxe6 12.Qxe6 fxe6 13.O-O-O d5 14.f4 Nbd7 15.Rhe1 Rac8 16.Kb1 Bc5 17.f5 exf5 18.cxd5 cxd5 19.Nxd5 Bxf2 20.Rf1 Bc5 21.Rxf5 Ne4 22.Bxe4 Rxe4 23.Bc3 Rf8 24.Rxf8+ Bxf8 25.Kc2 Re2+ 26.Rd2 Rxd2+ 27.Kxd2 Kf7 28.Ke3 Bd6 29.Bd4 g6 30.Ke4 Ke6 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.13"] [EventDate "2012.05.08"] [Round "6"] [Result "1/2-1/2"] [White "Alexander Onischuk"] [Black "Alejandro Ramirez Alvarez"] [ECO "D45"] [WhiteElo "2660"] [BlackElo "2593"] [PlyCount "75"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 e6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Bd6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nd7 12. O-O e5 13. dxe5 Nxe5 14. Bc3 Nxf3+ 15. Qxf3 Qg5 16. h3 Qf4 17. Qxf4 Bxf4 18. g3 Bc7 19. Kg2 Re8 20. Rfe1 Be6 21. f4 f5 22. Bf3 Rad8 23. Rad1 Rxd1 24. Rxd1 Kf7 25. Kf2 g6 26. Rd3 h5 27. h4 Rd8 28. Ke2 Rxd3 29. Kxd3 Bb6 30. Bd4 Ba5 31. Bf2 Bb4 32. Kc2 Ke7 33. Kb2 Kd7 34. a3 Be7 35. Bb6 Bf6+ 36. Kc2 Be7 37. Kb2 Bf6+ 38. Kc2 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.13"] [EventDate "2012.05.08"] [Round "6"] [Result "0-1"] [White "Gregory Zinovyevich Kaidanov"] [Black "Robert Lee Hess"] [ECO "D45"] [WhiteElo "2594"] [BlackElo "2635"] [PlyCount "66"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Bd6 9. O-O Nbd7 10. Qc2 e5 11. cxd5 cxd5 12. e4 exd4 13. Nxd5 Nxd5 14. exd5 Nf6 15. Rae1 Bg4 16. Nxd4 Rc8 17. Qb1 Rc5 18. Bg5 Rxd5 19. Bxh7+ Kh8 20. Nf5 Nxh7 21. Bxd8 Bxf5 22. Qc1 Rxd8 23. Rd1 Bd3 24. Rfe1 Kg8 25. Qc3 Nf6 26. h3 Bb8 27. Re3 Bb5 28. Rxd5 Nxd5 29. Qd4 Bc7 30. Re1 Nf4 31. Qa1 Bb6 32. Rd1 Bd4 33. Qb1 Bd3 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.13"] [EventDate "2012.05.08"] [Round "6"] [Result "1/2-1/2"] [White "Yury Markovich Shulman"] [Black "Gata Kamsky"] [ECO "A37"] [WhiteElo "2571"] [BlackElo "2741"] [PlyCount "93"] 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 e5 6. O-O Nge7 7. d3 d6 8. a3 a5 9. Ne1 O-O 10. Nc2 Bd7 11. Ne3 h6 12. Rb1 Rb8 13. Bd2 b6 14. Ned5 Nxd5 15. Nxd5 b5 16. b4 axb4 17. axb4 cxb4 18. Bxb4 Nxb4 19. Rxb4 bxc4 20. Rxc4 Rb5 21. Rc1 h5 22. h4 Ra5 23. Qd2 Ra7 24. Rc2 Kh7 25. Qb4 Qb8 26. Rb1 Qxb4 27. Rxb4 Rc8 28. Rxc8 Bxc8 29. Rb6 Ra1+ 30. Kh2 Bg4 31. Bf3 Bxf3 32. exf3 Ra2 33. Kg2 e4 34. fxe4 Bd4 35. Rxd6 Rxf2+ 36. Kh3 Rd2 37. Nf6+ Bxf6 38. Rxf6 Rxd3 39. Rxf7+ Kg8 40. Rf2 Re3 41. Rf4 Re2 42. g4 Re3+ 43. Kg2 hxg4 44. Kf2 Rh3 45. Rxg4 Kf7 46. Kg2 Re3 47. Kf2 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.13"] [EventDate "2012.05.08"] [Round "6"] [Result "1/2-1/2"] [White "Alexander Yevgenyevich Stripunsky"] [Black "Aleksandr Lenderman"] [ECO "B12"] [WhiteElo "2562"] [BlackElo "2587"] [PlyCount "100"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be3 e6 5. Nd2 Nd7 6. Ngf3 Ne7 7. Be2 Bg6 8. Nh4 Nf5 9. Nxf5 Bxf5 10. h4 h6 11. h5 c5 12. Bd3 Bxd3 13. cxd3 cxd4 14. Bxd4 Nb8 15. Be3 Nc6 16. d4 Bb4 17. Qg4 Bxd2+ 18. Bxd2 Qb6 19. Bc3 O-O 20. O-O f5 21. exf6 Rxf6 22. Rae1 Ne7 23. Re5 Raf8 24. Rfe1 Nf5 25. a3 R8f7 26. Qd1 g5 27. R1e2 Ng7 28. Qa4 Rf5 29. Rxf5 Rxf5 30. Qd1 Qc7 31. g4 Rf3 32. Bd2 Rd3 33. Qe1 Rxd4 34. f3 Rd3 35. Kg2 e5 36. Bc1 Qf7 37. Re3 Rxe3 38. Bxe3 d4 39. Bd2 Qd5 40. Qb1 d3 41. Qc1 Ne6 42. Qc8+ Kf7 43. Qh8 Nf4+ 44. Bxf4 exf4 45. Qxh6 d2 46. Qh7+ Ke8 47. Qh8+ Kd7 48. Qg7+ Kc6 49. Qc3+ Kd7 50. Qg7+ Kc6 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.13"] [EventDate "2012.05.08"] [Round "6"] [Result "1-0"] [White "Yasser Seirawan"] [Black "Ray Robson"] [ECO "A16"] [WhiteElo "2643"] [BlackElo "2614"] [PlyCount "97"] 1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 Nd7 8. c4 O-O 9. Nf3 c5 10. O-O Rb8 11. d3 b6 12. Bb2 Bxb2 13. Rxb2 Bb7 14. Qd2 Qc7 15. Qf4 Qxf4 16. gxf4 Bxf3 17. Bxf3 Rfc8 18. Kg2 e6 19. a4 a5 20. Rfb1 Kf8 21. Kf1 Ke7 22. Ke1 Kd6 23. Kd2 Kc7 24. e3 h6 25. h4 Rg8 26. Rg1 h5 27. d4 cxd4 28. exd4 Kd6 29. Kc3 Rgc8 30. Rgb1 Ke7 31. Kd3 Rd8 32. Bc6 Kf6 33. Bxd7 Rxd7 34. Rxb6 Rbd8 35. d5 Kf5 36. Rb7 Kxf4 37. Rxd7 Rxd7 38. Kd4 g5 39. hxg5 h4 40. Rb8 Kxg5 41. Ke5 exd5 42. Rg8+ Kh5 43. cxd5 h3 44. d6 f6+ 45. Ke6 Rh7 46. Rg1 Kh4 47. Rh1 Kg4 48. d7 Rh8 49. Kxf6 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.15"] [EventDate "2012.05.07"] [Round "7"] [Result "1/2-1/2"] [White "Hikaru Nakamura"] [Black "Yury Markovich Shulman"] [ECO "D31"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "201"] 1.c4 e6 2.Nc3 d5 3.d4 c6 4.e4 dxe4 5.Nxe4 Bb4+ 6.Bd2 Qxd4 7.Bxb4 Qxe4+ 8.Be2 Na6 9.Ba5 Bd7 10.Nf3 Nf6 11.O-O Qf5 12.Bc3 Ne4 13.Bxg7 Rg8 14.Bh6 O-O-O 15.Qc1 c5 16.Qe3 Bc6 17.Rfd1 Rxd1+ 18.Rxd1 Nb4 19.Qf4 Qxf4 20.Bxf4 f6 21.Ne1 Ba4 22.Ra1 e5 23.Be3 b6 24.a3 Nc6 25.Bd3 f5 26.b4 Nd4 27.f4 exf4 28.Bxd4 cxd4 29.Nf3 a5 30.Nh4 Bd7 31.Rf1 axb4 32.axb4 Kc7 33.Rxf4 Ra8 34.Bxe4 fxe4 35.Rxe4 Ra4 36.Rxd4 Rxb4 37.Nf3 b5 38.cxb5 Rxb5 39.Kf2 Kd8 40.Re4 Bf5 41.Re2 Rb4 42.Re5 Bg6 43.h4 Re4 44.Ra5 Rb4 45.g3 Ke7 46.Ke3 Re4+ 47.Kf2 Rb4 48.Ra2 Kf6 49.Nd2 Bb1 50.Ra6+ Kg7 51.Rd6 Bf5 52.Nf3 Re4 53.Ng5 Re7 54.Rd4 h5 55.Kf3 Bg4+ 56.Kf4 Re1 57.Rd3 Rf1+ 58.Ke5 Re1+ 59.Ne4 Kg6 60.Rb3 Kg7 61.Ra3 Kg6 62.Rc3 Kg7 63.Kd4 Rd1+ 64.Kc5 Bf5 65.Nd6 Kg6 66.Rf3 Be6 67.Re3 Bf5 68.Re5 Rc1+ 69.Kb4 Rf1 70.Re3 Kf6 71.Kc3 Rd1 72.Nb5 Bg4 73.Nd4 Rc1+ 74.Kd3 Rd1+ 75.Ke4 Ra1 76.Rb3 Re1+ 77.Kd5 Be6+ 78.Nxe6 Re5+ 79.Kd4 Rxe6 80.Rb5 Kg6 81.Re5 Ra6 82.Ke4 Ra4+ 83.Kf3 Ra3+ 84.Kf4 Ra4+ 85.Re4 Ra6 86.Re8 Ra4+ 87.Ke5 Ra5+ 88.Kd4 Ra4+ 89.Kc5 Ra3 90.Rg8+ Kh7 91.Rg5 Ra5+ 92.Kd4 Rxg5 93.hxg5 Kg6 94.Ke4 Kxg5 95.Ke3 Kg4 96.Kf2 h4 97.Kg2 hxg3 98.Kg1 Kf3 99.Kf1 g2+ 100.Kg1 Ke2 101.Kxg2 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.15"] [EventDate "2012.05.08"] [Round "7"] [Result "1/2-1/2"] [White "Ray Robson"] [Black "Alexander Onischuk"] [ECO "C47"] [WhiteElo "2614"] [BlackElo "2660"] [PlyCount "81"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Be7 6. Bc4 d6 7. Nxd4 Nxd4 8. Qxd4 Nxd5 9. Bxd5 O-O 10. O-O c6 11. Bb3 Be6 12. Qd3 Bf6 13. c3 Bxb3 14. axb3 Qe7 15. Bf4 Rfe8 16. f3 Be5 17. Be3 d5 18. exd5 Bxc3 19. bxc3 Qxe3+ 20. Qxe3 Rxe3 21. dxc6 bxc6 22. Rfe1 Rxe1+ 23. Rxe1 Kf8 24. b4 a5 25. Ra1 a4 26. Kf2 c5 27. bxc5 Ke7 28. Ke3 Kd7 29. Kd4 Kc6 30. Kc4 Ra5 31. Ra2 Rxc5+ 32. Kb4 Rb5+ 33. Kxa4 Kc5 34. Re2 Rb7 35. Re4 Rb2 36. Rg4 g6 37. Ka3 Rf2 38. Kb3 f5 39. Rg5 Kd5 40. h4 Ke5 41. h5 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.15"] [EventDate "2012.05.08"] [Round "7"] [Result "1/2-1/2"] [White "Aleksandr Lenderman"] [Black "Yasser Seirawan"] [ECO "D37"] [WhiteElo "2587"] [BlackElo "2643"] [PlyCount "105"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Rc1 a6 9. c5 Ne4 10. Bxe7 Qxe7 11. Nxe4 dxe4 12. Nd2 Nf6 13. Nc4 Bd7 14. Ne5 Bb5 15. Qc2 Bxf1 16. Kxf1 Qd8 17. h4 h5 18. Qe2 g6 19. g4 hxg4 20. h5 g5 21. h6 Kh7 22. b3 Qe7 23. c6 b6 24. Nd7 Rg8 25. Nxf6+ Qxf6 26. Qxg4 Qf3 27. Qxf3 exf3 28. Ke1 Rad8 29. Kd2 Rd6 30. Kd3 f5 31. Rh5 e5 32. Rg1 e4+ 33. Kc4 Rxc6+ 34. Kd5 Rc2 35. Rhxg5 Rxg5 36. Rxg5 Rxa2 37. Rxf5 Rxf2 38. Kxe4 Kxh6 39. Rf6+ Kg5 40. Rc6 Rb2 41. Kxf3 Rxb3 42. Ke4 a5 43. Rxc7 Kf6 44. Kf4 Ke6 45. e4 Kd6 46. Rh7 a4 47. e5+ Kd5 48. Rd7+ Kc6 49. Ra7 b5 50. Ke4 Kb6 51. Ra8 Kb7 52. Ra5 Kb6 53. Ra8 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.15"] [EventDate "2012.05.08"] [Round "7"] [Result "1-0"] [White "Gata Kamsky"] [Black "Alexander Yevgenyevich Stripunsky"] [ECO "B17"] [WhiteElo "2741"] [BlackElo "2562"] [PlyCount "127"] 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ndf6 6. Ng5 h6 7. N5f3 Bf5 8. Bxf5 Qa5+ 9. c3 Qxf5 10. Qb3 Qc8 11. Ne5 e6 12. Ngf3 Bd6 13. Bf4 Bxe5 14. Bxe5 Ne7 15. h3 Qd7 16. O-O O-O 17. a4 Ng6 18. Bh2 a5 19. Rad1 b5 20. Qc2 Rfd8 21. Rfe1 Nd5 22. b3 Rac8 23. Ra1 Ra8 24. Nd2 Nde7 25. Ne4 Qd5 26. Rad1 Nf5 27. Rd2 Nfh4 28. f3 Rac8 29. Nc5 Qg5 30. Kh1 Rd5 31. Ne4 Qd8 32. Red1 Nf5 33. Bg1 Nf4 34. Bf2 Qe7 35. c4 bxc4 36. bxc4 Rdd8 37. Qc3 Ra8 38. Rb1 Nd6 39. Bg3 Nxe4 40. fxe4 e5 41. d5 Rac8 42. Rbd1 cxd5 43. exd5 Qc5 44. Bxf4 exf4 45. Rd4 Rd6 46. Qd3 g5 47. Re4 Kg7 48. Rb1 Qf2 49. Rf1 Qc5 50. h4 Rb8 51. Qc3+ Kg6 52. Qe5 Rbd8 53. h5+ Kh7 54. Rb1 Qc8 55. Kg1 Qg4 56. Rd4 Qxh5 57. c5 Qg6 58. Rc1 Rf6 59. c6 Rf5 60. Qe4 g4 61. c7 Rc8 62. d6 f3 63. d7 Qh5 64. dxc8=Q 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.15"] [EventDate "2012.05.08"] [Round "7"] [Result "1-0"] [White "Alejandro Ramirez Alvarez"] [Black "Gregory Zinovyevich Kaidanov"] [ECO "D43"] [WhiteElo "2593"] [BlackElo "2594"] [PlyCount "127"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Bd3 Ne4 9. Bf4 Ndf6 10. h3 O-O 11. Qc2 Re8 12. O-O Bd6 13. Ne5 g6 14. Ne2 Nh5 15. Bh2 f6 16. f3 fxe5 17. fxe4 exd4 18. e5 Bxe5 19. Bxe5 Rxe5 20. Bxg6 Qg5 21. Bxh7+ Kg7 22. Nxd4 Rxe3 23. h4 Qh6 24. Rf2 Ng3 25. Raf1 Nxf1 26. Rxf1 Be6 27. Bf5 Bg8 28. Bc8 Bh7 29. Nf5+ Bxf5 30. Qxf5 Kh8 31. Qd7 Rg3 32. Qxb7 Rg8 33. Bh3 Raf8 34. Rxf8 Rxf8 35. Qxa7 Qc1+ 36. Kh2 Qf4+ 37. Kg1 Qxh4 38. Qe3 Qf4 39. Qe7 Qf6 40. Qc5 Qf1+ 41. Kh2 Qf4+ 42. Kg1 Re8 43. Qf2 Qxf2+ 44. Kxf2 c5 45. Bd7 Re7 46. Bc6 d4 47. Bb5 Kg7 48. a4 Kf6 49. b3 Re3 50. Bc4 Ke5 51. a5 Ke4 52. a6 Rc3 53. a7 Rc2+ 54. Be2 Ra2 55. a8=Q+ Rxa8 56. Bf3+ Kd3 57. Bxa8 Kc2 58. g4 Kxb3 59. g5 c4 60. g6 d3 61. g7 d2 62. Bf3 c3 63. g8=Q+ Kb2 64. Bd1 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.15"] [EventDate "2012.05.08"] [Round "7"] [Result "0-1"] [White "Robert Lee Hess"] [Black "Varuzhan Eduardovich Akobian"] [ECO "B12"] [WhiteElo "2635"] [BlackElo "2625"] [PlyCount "134"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Nbd2 Nd7 6. Nb3 Ne7 7. c3 Bg4 8. h3 Bh5 9. Be3 Nf5 10. Bd3 Nxe3 11. fxe3 f6 12. exf6 gxf6 13. g4 Bf7 14. Qe2 Qc7 15. O-O-O O-O-O 16. Kb1 a5 17. Qc2 e5 18. dxe5 fxe5 19. Bxh7 a4 20. Nbd2 Be7 21. h4 a3 22. Ng5 Bg8 23. Bxg8 Rdxg8 24. Ndf3 e4 25. Nd4 Ne5 26. Nf5 Bxg5 27. hxg5 Rxh1 28. Rxh1 axb2 29. Qxb2 Kb8 30. Rh6 Nc4 31. Qh2 Qxh2 32. Rxh2 Rxg5 33. Rh4 Ne5 34. Nh6 Rg6 35. Kc2 Ka7 36. Kb3 Kb6 37. Kb4 c5+ 38. Kb3 Ka5 39. Rh5 Rb6+ 40. Kc2 Nc4 41. Nf5 Rb2+ 42. Kd1 Rxa2 43. Ke1 Rg2 44. Rg5 Ne5 45. Rg7 b5 46. Ne7 Rxg4 47. Rxg4 Nxg4 48. Nxd5 Ka4 49. Nb6+ Kb3 50. Nd7 Kxc3 51. Nxc5 Nf6 52. Ke2 b4 53. Kd1 Kc4 54. Na4 Kd3 55. Nc5+ Kxe3 56. Kc2 Nd5 57. Kb3 Kf3 58. Kc4 e3 59. Nd3 e2 60. Ne1+ Kf2 61. Nd3+ Ke3 62. Ne1 Nf4 63. Nc2+ Kd2 64. Nd4 Nd3 65. Nf3+ Kc2 66. Nd4+ Kd1 67. Nf3 Ne5+ 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.16"] [EventDate "2012.05.07"] [Round "8"] [Result "0-1"] [White "Aleksandr Lenderman"] [Black "Gata Kamsky"] [ECO "D15"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "88"] 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 "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.16"] [EventDate "2012.05.08"] [Round "8"] [Result "1/2-1/2"] [White "Yasser Seirawan"] [Black "Alexander Onischuk"] [ECO "D58"] [WhiteElo "2643"] [BlackElo "2660"] [PlyCount "51"] 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 "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.16"] [EventDate "2012.05.08"] [Round "8"] [Result "1/2-1/2"] [White "Gregory Zinovyevich Kaidanov"] [Black "Ray Robson"] [ECO "D90"] [WhiteElo "2594"] [BlackElo "2614"] [PlyCount "55"] 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 "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.16"] [EventDate "2012.05.07"] [Round "8"] [Result "0-1"] [White "Alexander Yevgenyevich Stripunsky"] [Black "Hikaru Nakamura"] [ECO "C04"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "142"] 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 "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.16"] [EventDate "2012.05.08"] [Round "8"] [Result "1-0"] [White "Varuzhan Eduardovich Akobian"] [Black "Alejandro Ramirez Alvarez"] [ECO "A46"] [WhiteElo "2625"] [BlackElo "2593"] [PlyCount "101"] 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 "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.16"] [EventDate "2012.05.08"] [Round "8"] [Result "1/2-1/2"] [White "Yury Markovich Shulman"] [Black "Robert Lee Hess"] [ECO "D45"] [WhiteElo "2571"] [BlackElo "2635"] [PlyCount "70"] 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 "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.17"] [EventDate "2012.05.07"] [Round "9"] [Result "1-0"] [White "Gata Kamsky"] [Black "Yasser Seirawan"] [ECO "B18"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "69"] 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Ngf6 12.O-O-O Be7 13.Ne4 Nxe4 14.Qxe4 Nf6 15.Qd3 O-O 16.Kb1 c5 17.g4 Nxg4 18.Qe2 Kh8 19.Rhg1 Nf6 20.dxc5 Qc7 21.Ne5 Bxc5 22.Bxh6 gxh6 23.Rd7 Qxd7 24.Nxd7 Nxd7 25.Qd2 Kh7 26.b4 Rad8 27.bxc5 Nf6 28.Qf4 Ne8 29.Qe4+ Kh8 30.Qxb7 Ng7 31.Qxa7 Rc8 32.Rd1 Nf5 33.Rd7 Kg7 34.a4 Kf6 35.a5 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.17"] [EventDate "2012.05.07"] [Round "9"] [Result "1/2-1/2"] [White "Hikaru Nakamura"] [Black "Aleksandr Lenderman"] [ECO "D38"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "242"] 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.cxd5 exd5 6.Bg5 h6 7.Bh4 Nbd7 8.Nd2 c6 9.e3 Nf8 10.Bd3 Ng6 11.Bg3 Bd6 12.Qc2 Bxg3 13.hxg3 Ne7 14.O-O-O Be6 15.f3 Qc7 16.g4 O-O-O 17.Nb3 Kb8 18.Kb1 Rhe8 19.Rc1 Nd7 20.Qf2 Ka8 21.Ka1 f6 22.Ne2 Nc8 23.Nc5 Bf7 24.Bf5 Ncb6 25.b3 Re7 26.Rc3 Rde8 27.Rhc1 Nf8 28.Ng3 Ne6 29.Bb1 Bg8 30.Nf5 Rf7 31.Nd3 Bh7 32.a4 Nc8 33.Nb4 Qa5 34.Na2 Nf8 35.Rc5 Qd8 36.Nb4 Bxf5 37.gxf5 Nd6 38.R5c3 Rfe7 39.g4 Qa5 40.Na2 Nd7 41.Re1 Nb8 42.Bd3 Na6 43.Qd2 Qb6 44.Nc1 Nf7 45.Bc2 Ng5 46.Bd1 Qc7 47.Qf2 Nb4 48.Rh1 Qd6 49.Ne2 b6 50.Nf4 Kb7 51.Qd2 a5 52.Kb1 Ka7 53.Be2 Kb7 54.Re1 Ka7 55.Rec1 Kb8 56.Bd1 Ka7 57.Qf2 Kb8 58.Qg1 Ka7 59.Qf2 Kb8 60.Be2 Ka7 61.Bf1 Ka8 62.Bg2 Ka7 63.Nh5 Qc7 64.Ng3 Kb7 65.Re1 Ka7 66.Re2 Kb8 67.Kc1 Qd6 68.Rd2 Ka7 69.Kd1 Kb8 70.Ke1 Ka7 71.Kf1 Kb8 72.Kg1 Ka7 73.Nh5 Qc7 74.Rd1 Kb8 75.Re1 Kb7 76.Re2 Qd6 77.Qg3 Qd7 78.Qf4 Qd8 79.Rd2 Rd7 80.Ng3 Ka7 81.Rc1 Ree7 82.Rcd1 Qg8 83.Ne2 Re8 84.Nc3 Rde7 85.Na2 Na6 86.Rd3 Kb7 87.Re1 Rd7 88.Rc3 Qf8 89.Rec1 Qa3 90.R1c2 Rc8 91.Bf1 Nb4 92.Nxb4 Qxb4 93.Kg2 Nf7 94.Qg3 Nd6 95.Bd3 Rdc7 96.Qh2 Ka7 97.Kh3 Kb7 98.Bf1 Ka7 99.Qe2 c5 100.dxc5 Rxc5 101.Rxc5 Rxc5 102.Rxc5 Qxc5 103.Qd3 Nf7 104.f4 h5 105.gxh5 Nh6 106.Bg2 d4 107.Be4 Qc3 108.Qxd4 Qxd4 109.exd4 Kb8 110.Kg3 Kc7 111.Kf3 Nf7 112.Ke3 Nd6 113.d5 Kd8 114.Bd3 Kc7 115.Kd4 Kd8 116.Kc3 Kc7 117.Kc2 Kd8 118.Kd1 Kc7 119.Bb1 Kd8 120.Kc1 Kc7 121.b4 axb4 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.17"] [EventDate "2012.05.08"] [Round "9"] [Result "1/2-1/2"] [White "Alejandro Ramirez Alvarez"] [Black "Yury Markovich Shulman"] [ECO "E17"] [WhiteElo "2593"] [BlackElo "2571"] [PlyCount "60"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. Nc3 d5 12. e4 Bf6 13. exd5 Nxd5 14. Nxd5 cxd5 15. Ne3 Nc6 16. Nxd5 Be5 17. Qg4 Re8 18. Bg5 Qc8 19. Qh4 h6 20. Be3 Qd8 21. Qg4 Qc8 22. Qh4 Qd8 23. Qh5 Nd4 24. Rad1 Bxd5 25. Bxd4 Bxg2 26. Bxe5 Qg5 27. Qxg5 hxg5 28. Kxg2 Rxe5 29. Rfe1 Rxe1 30. Rxe1 Rd8 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.17"] [EventDate "2012.05.08"] [Round "9"] [Result "1-0"] [White "Robert Lee Hess"] [Black "Alexander Yevgenyevich Stripunsky"] [ECO "D12"] [WhiteElo "2635"] [BlackElo "2562"] [PlyCount "65"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 Be7 10. Nxg6 hxg6 11. O-O-O a6 12. Kb1 dxc4 13. Bxc4 b5 14. Be2 c5 15. dxc5 Nbd7 16. c6 Qxc6 17. Rc1 Qb6 18. g4 O-O 19. g5 Nh5 20. f4 Rfd8 21. Ne4 Nc5 22. Qc2 Rac8 23. Rhd1 Qb7 24. Bf3 Kh8 25. Ba5 Rxd1 26. Bxd1 Kh7 27. Bxh5 Nb3 28. Qxc8 Qxe4+ 29. Qc2 Qxc2+ 30. Rxc2 Nxa5 31. Be2 Bd6 32. Rc8 e5 33. Ra8 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.17"] [EventDate "2012.05.08"] [Round "9"] [Result "1-0"] [White "Ray Robson"] [Black "Varuzhan Eduardovich Akobian"] [ECO "B13"] [WhiteElo "2614"] [BlackElo "2625"] [PlyCount "115"] 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Be6 7. Be2 Qa5 8. c5 Ne4 9. Bd2 Nxd2 10. Qxd2 g6 11. Bb5 Bg7 12. Nf3 O-O 13. h3 Qc7 14. O-O f6 15. Rab1 a6 16. Bxc6 bxc6 17. b4 Bf5 18. Rb3 e5 19. a4 Be4 20. Ne2 Rab8 21. Ne1 Bf5 22. Nc2 Bxc2 23. Qxc2 f5 24. dxe5 Qxe5 25. Rd1 Rfe8 26. Re3 Qb2 27. Qxb2 Bxb2 28. Rxe8+ Rxe8 29. Kf1 Rb8 30. Nd4 Bxd4 31. Rxd4 Kf7 32. Ke2 Ke6 33. Kd3 g5 34. Kc3 f4 35. Rd2 Kf6 36. Re2 h6 37. g4 Kf7 38. f3 Kf6 39. Re1 Kf7 40. h4 gxh4 41. Rh1 Re8 42. b5 axb5 43. axb5 cxb5 44. Kd4 b4 45. c6 b3 46. Rxh4 Re1 47. Rh2 Rc1 48. Kxd5 Rc2 49. Rxh6 b2 50. Rh7+ Ke8 51. Rb7 Kd8 52. Ke5 Rxc6 53. Rxb2 Rc4 54. Rd2+ Ke7 55. Rd4 Rc5+ 56. Kxf4 Kf6 57. Rd6+ Kg7 58. g5 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.17"] [EventDate "2012.05.08"] [Round "9"] [Result "1-0"] [White "Alexander Onischuk"] [Black "Gregory Zinovyevich Kaidanov"] [ECO "D32"] [WhiteElo "2660"] [BlackElo "2594"] [PlyCount "127"] 1. c4 c5 2. Nf3 Nc6 3. e3 e6 4. Nc3 d5 5. d4 Nf6 6. a3 a6 7. dxc5 Bxc5 8. b4 Ba7 9. Bb2 O-O 10. Be2 dxc4 11. Bxc4 Qxd1+ 12. Rxd1 Rd8 13. Rxd8+ Nxd8 14. Ke2 b5 15. Bd3 Bb7 16. Nd2 Rc8 17. f3 Nd7 18. Rd1 f5 19. Nb3 Ne5 20. Na5 Nxd3 21. Rxd3 Ba8 22. Rd6 Nc6 23. Rxe6 Bb8 24. Nb3 Kf7 25. Nc5 Rd8 26. g4 fxg4 27. fxg4 Be5 28. h3 a5 29. bxa5 Bxc3 30. Bxc3 Rd5 31. Rxc6 Bxc6 32. Bd4 Rd8 33. a6 Ra8 34. Kd3 Bg2 35. h4 Bh3 36. Kc3 Ke7 37. Kb4 Kd6 38. Kxb5 Rb8+ 39. Nb7+ Kd5 40. g5 Bf1+ 41. Kb6 Rc8 42. Nc5 g6 43. a7 Bg2 44. Nd7 Kd6 45. Nf6 Ba8 46. Nxh7 Rc1 47. Nf6 Rb1+ 48. Ka5 Bc6 49. a4 Rg1 50. Kb4 Rg2 51. a5 Ra2 52. e4 Ra4+ 53. Kc3 Rxa5 54. e5+ Ke6 55. h5 gxh5 56. g6 Ra3+ 57. Kb4 Rg3 58. Nxh5 Rg5 59. Nf4+ Kf5 60. e6 Rxg6 61. Nxg6 Kxe6 62. Kc5 Ba8 63. Ne5 Ke7 64. Nc4 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.18"] [EventDate "2012.05.07"] [Round "10"] [Result "0-1"] [White "Gata Kamsky"] [Black "Hikaru Nakamura"] [ECO "B90"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "100"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 e5 7.Nf3 Be7 8.Bc4 O-O 9.O-O Be6 10.Bb3 Nc6 11.Bg5 Na5 12.Bxf6 Bxf6 13.Bd5 Rc8 14.Nd2 Qc7 15.Re1 Bg5 16.Nf1 Qb6 17.Rb1 Nc4 18.Qe2 Bh6 19.h4 Qb4 20.g3 Rc7 21.Kg2 Nb6 22.Bb3 Bxb3 23.cxb3 Qxb3 24.a5 Na4 25.Nh2 g6 26.Ng4 Bg7 27.Nd5 Rc2 28.Qe3 Nc5 29.h5 Qxe3 30.Ngxe3 Rd2 31.Nc4 Rd4 32.Nxd6 Rd8 33.b4 Nd3 34.Nxb7 Nxe1+ 35.Rxe1 Ra8 36.f3 Bf8 37.Rc1 Bxb4 38.Rc7 gxh5 39.Kh3 Kg7 40.Kh4 Ra7 41.Kxh5 Rxd5 42.exd5 Bxa5 43.Re7 Bb6 44.d6 a5 45.Kg5 a4 46.Kf5 a3 47.Nd8 a2 48.Ne6+ Kh6 49.Ng5 a1=Q 50.Nxf7+ Kg7 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.18"] [EventDate "2012.05.08"] [Round "10"] [Result "1/2-1/2"] [White "Yasser Seirawan"] [Black "Gregory Zinovyevich Kaidanov"] [ECO "A13"] [WhiteElo "2643"] [BlackElo "2594"] [PlyCount "57"] 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qb3 Rb8 8. d3 Bd6 9. Nc3 a6 10. Nd2 O-O 11. O-O b6 12. Nde4 Nxe4 13. Nxe4 Be5 14. Bd2 Nf6 15. Bc3 Bxc3 16. bxc3 Nxe4 17. Bxe4 b5 18. a4 Bb7 19. Bxb7 Rxb7 20. axb5 axb5 21. Ra6 Qc7 22. Qa2 b4 23. Qc4 Rfb8 24. cxb4 Rxb4 25. Qc3 Rb3 26. Qc4 R3b4 27. Qc3 Rb3 28. Qc4 R3b4 29. Qc3 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.18"] [EventDate "2012.05.08"] [Round "10"] [Result "0-1"] [White "Alexander Yevgenyevich Stripunsky"] [Black "Alejandro Ramirez Alvarez"] [ECO "A07"] [WhiteElo "2562"] [BlackElo "2593"] [PlyCount "86"] 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 g6 5. Bg2 Bg7 6. d3 d6 7. h3 Rb8 8. Be3 b5 9. Qd2 b4 10. Nd1 O-O 11. O-O Qc7 12. Kh2 Ba6 13. f4 Rfd8 14. Bg1 Nd7 15. Rb1 Nb6 16. Ne3 c4 17. b3 c3 18. Qc1 e6 19. f5 exf5 20. exf5 Bb7 21. f6 Bf8 22. d4 Ba6 23. Qd1 d5 24. Re1 Rd6 25. Nf4 Qd8 26. Ng4 h5 27. Nxh5 gxh5 28. Re5 Rxf6 29. Nxf6+ Qxf6 30. Rxh5 Bg7 31. Rh4 Re8 32. Rf4 Qe6 33. Qf3 Ne7 34. Bf1 Bc8 35. Qd3 Ng6 36. Rf3 Bh6 37. Qb5 Bd2 38. Qxb4 Kg7 39. Bf2 Qe4 40. Bg2 Qxc2 41. Rf1 Ba6 42. Qa5 Bxf1 43. Bxf1 Qd1 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.18"] [EventDate "2012.05.08"] [Round "10"] [Result "1/2-1/2"] [White "Aleksandr Lenderman"] [Black "Robert Lee Hess"] [ECO "A14"] [WhiteElo "2587"] [BlackElo "2635"] [PlyCount "73"] 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Bb7 12. Rd1 Qc8 13. a4 Nbd7 14. axb5 axb5 15. Rxa8 Qxa8 16. Na3 Qa6 17. Nc2 Qa4 18. Ne3 Rc8 19. Qa1 Ra8 20. Qxa4 Rxa4 21. Rc1 Bd6 22. Bc3 Ra2 23. Nd1 Bd5 24. Ne1 Kf8 25. Bxd5 exd5 26. Nd3 Ke8 27. e3 Nb6 28. Bb4 Bxb4 29. Nxb4 Ra4 30. Nd3 Rc4 31. Nc3 b4 32. Ne2 b3 33. Nc5 Rc2 34. Rxc2 bxc2 35. Nd3 Nc4 36. Ne1 Nxb2 37. Nxc2 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.18"] [EventDate "2012.05.08"] [Round "10"] [Result "1/2-1/2"] [White "Varuzhan Eduardovich Akobian"] [Black "Alexander Onischuk"] [ECO "D20"] [WhiteElo "2625"] [BlackElo "2660"] [PlyCount "65"] 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Bd6 6. Nc3 Nf6 7. Qe2+ Qe7 8. Qxe7+ Bxe7 9. Bf4 c6 10. O-O-O Nbd7 11. Re1 Nb6 12. Bb3 Nfd5 13. Nxd5 Nxd5 14. Bxd5 cxd5 15. Bd6 Be6 16. Bxe7 Kxe7 17. Ne2 Rhe8 18. Kd2 Kd7 19. Nf4 f6 20. Nxe6 Rxe6 21. Rxe6 Kxe6 22. Rc1 Kd6 23. Rc3 Re8 24. Ra3 a6 25. Rb3 Re7 26. f3 Kc7 27. Rc3+ Kb8 28. h4 Re6 29. Rc5 Rd6 30. Ke3 Re6+ 31. Kd2 Rd6 32. Ke3 Re6+ 33. Kd2 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.18"] [EventDate "2012.05.08"] [Round "10"] [Result "1/2-1/2"] [White "Yury Markovich Shulman"] [Black "Ray Robson"] [ECO "A16"] [WhiteElo "2571"] [BlackElo "2614"] [PlyCount "176"] 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O c5 9. Rb1 Nc6 10. Qa4 Qa5 11. Qxa5 Nxa5 12. Ng5 Rb8 13. Ne4 b6 14. Nxc5 Bg4 15. f3 Bxf3 16. Nd7 Bxe2 17. Rf2 Bd3 18. Rb4 e6 19. Nxb8 Rxb8 20. Bf1 Rd8 21. Bxd3 Rxd3 22. Kg2 f5 23. Rf3 Rd7 24. d4 Kf7 25. Bf4 h6 26. h4 Bf8 27. Rb1 Nc4 28. Rf2 Kf6 29. Re2 g5 30. hxg5+ hxg5 31. Be5+ Kf7 32. Rbe1 a5 33. Bh8 Rd6 34. Rh1 Kg6 35. a4 b5 36. axb5 a4 37. d5 Rxd5 38. Rxe6+ Kf7 39. Rf6+ Kg8 40. Rg6+ Kf7 41. Rxg5 Rxb5 42. Rh7+ Ke6 43. Rg6+ Kd5 44. Rd7+ Bd6 45. Rgxd6+ Nxd6 46. c4+ Kxc4 47. Rxd6 a3 48. Kf3 Rb1 49. Ra6 Rh1 50. Bg7 Kb3 51. Rb6+ Ka4 52. Kf4 Rf1+ 53. Kg5 a2 54. Ra6+ Kb3 55. Be5 Rf3 56. Ra8 Rf1 57. Kf6 Rf3 58. Rb8+ Kc4 59. Rc8+ Kb3 60. Ra8 Rf1 61. Ke6 Rf2 62. Rb8+ Kc4 63. Rc8+ Kb3 64. Rc1 Rf3 65. Re1 Rf2 66. Rg1 Rf3 67. Kf6 Rf2 68. Kg5 Rf3 69. Bg7 Rf2 70. Bf6 Rf3 71. Rg2 Ka3 72. Bg7 Kb3 73. Be5 Ka3 74. Rg1 Kb3 75. Kf6 Rf2 76. Rh1 Rf3 77. Ke6 Rf2 78. Rh7 f4 79. g4 f3 80. Rh1 Re2 81. Rf1 f2 82. Kf6 Re4 83. Rxf2 Rxg4 84. Rb2+ Ka3 85. Rb8 Re4 86. Ra8+ Kb3 87. Ke6 Rxe5+ 88. Kxe5 Kb2 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.19"] [EventDate "2012.05.07"] [Round "11"] [Result "1-0"] [White "Hikaru Nakamura"] [Black "Yasser Seirawan"] [ECO "C00"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "59"] 1.e4 e6 2.f4 d5 3.e5 c5 4.Nf3 Nc6 5.c3 Nge7 6.Na3 Nf5 7.Nc2 h5 8.Bd3 g6 9.O-O Be7 10.Bxf5 gxf5 11.d4 h4 12.dxc5 Bxc5+ 13.Be3 Be7 14.h3 b6 15.Qe2 Nb8 16.Rfd1 Ba6 17.Qe1 Nd7 18.b4 Nf8 19.a4 Bc4 20.Ncd4 Qd7 21.b5 Ng6 22.Nc6 Kf8 23.Nd2 Bd3 24.c4 Kg7 25.cxd5 exd5 26.Nb1 Bc4 27.Qc3 Qe6 28.Nd2 Rhc8 29.Nd4 Qd7 30.e6 1-0 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.19"] [EventDate "2012.05.08"] [Round "11"] [Result "0-1"] [White "Alejandro Ramirez Alvarez"] [Black "Aleksandr Lenderman"] [ECO "B18"] [WhiteElo "2593"] [BlackElo "2587"] [PlyCount "84"] 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 Nf6 7. Nf4 e5 8. Nxg6 hxg6 9. dxe5 Qa5+ 10. Bd2 Qxe5+ 11. Qe2 Nbd7 12. Qxe5+ Nxe5 13. f4 Ned7 14. Bc4 Nb6 15. Bd3 O-O-O 16. Ke2 Bc5 17. Rad1 Na4 18. b4 Bb6 19. Rb1 Ng4 20. h3 Rhe8+ 21. Kf3 Nf2 22. Rhe1 Rxe1 23. Bxe1 Nxd3 24. cxd3 Rxd3+ 25. Kg4 f5+ 26. Nxf5 gxf5+ 27. Kxf5 Rd6 28. Rb3 Bc7 29. Bh4 g6+ 30. Kg4 Re6 31. Bf2 Nb6 32. Re3 Rxe3 33. Bxe3 Nd5 34. Bd2 Kd7 35. Kg5 Ke6 36. g4 Kf7 37. f5 Bd8+ 38. Kh6 gxf5 39. g5 Kg8 40. Kg6 f4 41. h4 f3 42. Be1 Bb6 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.19"] [EventDate "2012.05.08"] [Round "11"] [Result "1/2-1/2"] [White "Alexander Onischuk"] [Black "Yury Markovich Shulman"] [ECO "E92"] [WhiteElo "2660"] [BlackElo "2571"] [PlyCount "65"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 exd4 8. Nxd4 Re8 9. f3 c6 10. Qd2 d5 11. exd5 cxd5 12. O-O Nc6 13. Rad1 dxc4 14. Nxc6 Qxd2 15. Bxd2 bxc6 16. Bxc4 Be6 17. Bxe6 Rxe6 18. Rfe1 Rxe1+ 19. Bxe1 Nd5 20. Nxd5 cxd5 21. b3 d4 22. Kf1 Rc8 23. Bf2 Rc2 24. a4 Rb2 25. Bxd4 Bxd4 26. Rxd4 Rxb3 27. Rd7 h5 28. Rxa7 Ra3 29. a5 h4 30. a6 h3 31. gxh3 Rxf3+ 32. Kg2 Ra3 33. h4 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.19"] [EventDate "2012.05.08"] [Round "11"] [Result "0-1"] [White "Gregory Zinovyevich Kaidanov"] [Black "Varuzhan Eduardovich Akobian"] [ECO "E55"] [WhiteElo "2594"] [BlackElo "2625"] [PlyCount "66"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 Bxc3 10. bxc3 b6 11. Re1 Bb7 12. Bd3 Ne4 13. Bb2 f5 14. c4 Qe7 15. a4 a5 16. Rb1 Rad8 17. Ba1 Rf6 18. d5 Rg6 19. Bxe4 fxe4 20. d6 Rxg2+ 21. Kxg2 exf3+ 22. Kh1 Qh4 23. Rg1 e5 24. Qd2 Be4 25. Rbc1 Re8 26. Rg3 Re6 27. Rcg1 Rh6 28. Rxg7+ Kf8 29. Rg8+ Kf7 30. R1g7+ Kf6 31. Kg1 Qxh2+ 32. Kf1 Rg6 33. Rxg6+ hxg6 0-1 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.19"] [EventDate "2012.05.08"] [Round "11"] [Result "1/2-1/2"] [White "Ray Robson"] [Black "Alexander Yevgenyevich Stripunsky"] [ECO "B42"] [WhiteElo "2614"] [BlackElo "2562"] [PlyCount "75"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. f4 g6 9. Nc3 Bg7 10. e5 dxe5 11. fxe5 Nd5 12. Nxd5 exd5 13. Bf4 O-O 14. Rae1 Nc6 15. c3 Nxd4 16. cxd4 Qb6 17. Qf2 Bd7 18. Bg5 Rae8 19. Re2 Re6 20. h4 Bb5 21. Bxb5 axb5 22. Kh1 b4 23. b3 Qb5 24. Re3 h6 25. Bf4 f5 26. Rf3 Rc8 27. h5 g5 28. Bd2 f4 29. g3 Rc2 30. Rc1 fxg3 31. Rxg3 Rxc1+ 32. Bxc1 Rc6 33. Bd2 Rc8 34. Kg1 Rc2 35. Qf5 Rxd2 36. Qe6+ Kh7 37. Qf5+ Kg8 38. Qe6+ 1/2-1/2 [Event "US Championship"] [Site "St. Louis, MO USA"] [Date "2012.05.19"] [EventDate "2012.05.08"] [Round "11"] [Result "1/2-1/2"] [White "Robert Lee Hess"] [Black "Gata Kamsky"] [ECO "D15"] [WhiteElo "2635"] [BlackElo "2741"] [PlyCount "116"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 g6 6. h3 Bg7 7. Bf4 O-O 8. e3 Bf5 9. Qb3 Qc8 10. Be2 Nbd7 11. O-O Ne4 12. Rfd1 Re8 13. Na4 e5 14. Nxe5 Nexc5 15. dxc5 Bxe5 16. Bxe5 Rxe5 17. Rd4 Qc7 18. Rb4 Rb8 19. Rc1 Be4 20. Qd1 a5 21. Rd4 Rbe8 22. Bf1 h5 23. a3 Nf6 24. Nc3 Kg7 25. Ra4 g5 26. Nxe4 Rxe4 27. Rxe4 Rxe4 28. Bd3 Re8 29. Be2 h4 30. Qc2 Qe5 31. Rd1 Ng8 32. Rd4 f5 33. Qc3 Nf6 34. Bd3 f4 35. exf4 gxf4 36. Kf1 Kh6 37. Ra4 Qxc3 38. bxc3 Ne4 39. Bxe4 Rxe4 40. Rxa5 Rc4 41. Ra7 Rxc3 42. Rxb7 Rxc5 43. a4 Kg6 44. Rb6 Kf5 45. a5 Rxa5 46. Rxc6 Ke4 47. Re6+ Kd3 48. g3 d4 49. Kg2 Rf5 50. gxh4 f3+ 51. Kg3 Kc2 52. Rc6+ Kd2 53. h5 Rxh5 54. Rd6 d3 55. Kxf3 Rxh3+ 56. Kg4 Rh2 57. f4 Ke3 58. f5 d2 1/2-1/2

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