Event: U.S. Senior Championship
Site: Saint Louis, United States
Date: 2021-07-19
White: Sokolin, Leonid
WhiteElo: 2497
Black: Christiansen, Larry
Result: 0-1
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:33] } 2. Nf3 { [%eval 0.0] [%clk 1:31:22] } 2... Nc6 { [%eval 0.32] [%clk 1:30:29] } 3. Bb5 { [%eval 0.0] [%clk 1:31:46] } 3... g6 { [%eval 0.13] [%clk 1:30:28] } 4. O-O { [%eval 0.2] [%clk 1:32:02] } 4... Bg7 { [%eval 0.43] [%clk 1:30:50] } 5. Re1 { [%eval 0.32] [%clk 1:31:40] } 5... e5 { [%eval 0.35] [%clk 1:30:01] } 6. Bxc6 { [%eval 0.29] [%clk 1:31:22] } 6... dxc6 { [%eval 0.37] [%clk 1:29:27] } 7. d3 { [%eval 0.25] [%clk 1:31:48] } 7... Qe7 { [%eval 0.48] [%clk 1:29:00] } 8. a3 { [%eval 0.33] [%clk 1:29:41] } 8... Nf6 { [%eval 0.41] [%clk 1:22:16] } 9. b4 { [%eval 0.45] [%clk 1:26:54] } 9... O-O { [%eval 0.27] [%clk 1:22:08] } 10. bxc5 { [%eval 0.35] [%clk 1:19:11] } 10... Qxc5 { [%eval 0.21] [%clk 1:15:30] } 11. a4 { [%eval 0.26] [%clk 1:17:41] } 11... Re8 { [%eval 0.31] [%clk 1:12:34] } 12. h3 { [%eval 0.25] [%clk 1:10:40] } 12... h6 { [%eval 0.51] [%clk 1:06:44] } 13. Ba3 { [%eval 0.28] [%clk 0:57:14] } 13... Qa5 { [%eval 0.04] [%clk 1:04:40] } 14. Nbd2 { [%eval 0.06] [%clk 0:55:15] } 14... Be6 { [%eval 0.06] [%clk 1:04:40] } 15. Qb1 { [%eval 0.0] [%clk 0:52:50] } 15... Qc7 { [%eval -0.02] [%clk 1:04:22] } 16. Qb4 { [%eval -0.12] [%clk 0:52:17] } 16... Rad8 { [%eval 0.26] [%clk 0:59:46] } 17. Reb1?! { [%eval -0.3] } { Inaccuracy. Nc4 was best. } { [%clk 0:46:49] } 17... b6 { [%eval -0.36] [%clk 0:59:15] } 18. Nc4 { [%eval -0.29] [%clk 0:45:32] } 18... c5 { [%eval -0.16] [%clk 0:58:30] } 19. Qb5 { [%eval -0.19] [%clk 0:44:33] } 19... Bd7 { [%eval -0.29] [%clk 0:52:09] } 20. Qb3 { [%eval 0.0] [%clk 0:44:09] } 20... Nh5 { [%eval -0.46] [%clk 0:52:14] } 21. Bc1?! { [%eval -1.17] } { Inaccuracy. Bb2 was best. } { [%clk 0:38:54] } 21... Bc6?! { [%eval -0.49] } { Inaccuracy. Nf4 was best. } { [%clk 0:47:48] } 22. Be3?! { [%eval -1.23] } { Inaccuracy. Bb2 was best. } { [%clk 0:36:43] } 22... Kh7?! { [%eval -0.39] } { Inaccuracy. Nf4 was best. } { [%clk 0:44:54] } 23. a5?! { [%eval -1.39] } { Inaccuracy. Na3 was best. } { [%clk 0:35:11] } 23... b5 { [%eval -1.34] [%clk 0:45:07] } 24. Ncd2 { [%eval -1.41] [%clk 0:35:26] } 24... Bf8 { [%eval -1.2] [%clk 0:40:20] } 25. Re1?! { [%eval -2.29] } { Inaccuracy. a6 was best. } { [%clk 0:33:00] } 25... a6 { [%eval -2.15] [%clk 0:39:53] } 26. Qc3 { [%eval -2.62] [%clk 0:31:51] } 26... Bd7 { [%eval -2.21] [%clk 0:39:34] } 27. Kh2?! { [%eval -2.91] } { Inaccuracy. Nb3 was best. } { [%clk 0:23:24] } 27... f5 { [%eval -2.6] [%clk 0:35:55] } 28. Nb3 { [%eval -2.75] [%clk 0:21:25] } 28... Rc8 { [%eval -3.37] [%clk 0:34:27] } 29. Rad1 { [%eval -2.79] [%clk 0:18:47] } 29... f4 { [%eval -3.04] [%clk 0:32:39] } 30. Bc1 { [%eval -2.69] [%clk 0:18:51] } 30... Bg7?! { [%eval -1.9] } { Inaccuracy. g5 was best. } { [%clk 0:32:34] } 31. g4?! { [%eval -2.55] } { Inaccuracy. Qa1 was best. } { [%clk 0:18:22] } 31... fxg3+ { [%eval -3.05] [%clk 0:32:07] } 32. fxg3 { [%eval -2.73] [%clk 0:18:51] } 32... Be6 { [%eval -2.27] [%clk 0:32:03] } 33. Be3 { [%eval -2.01] [%clk 0:18:33] } 33... Rf8 { [%eval -2.57] [%clk 0:26:42] } 34. Rf1 { [%eval -2.28] [%clk 0:16:21] } 34... Nf4 { [%eval -2.11] [%clk 0:24:21] } 35. Ng1 { [%eval -2.7] [%clk 0:13:35] } 35... b4 { [%eval -2.2] [%clk 0:20:46] } 36. Qb2 { [%eval -2.84] [%clk 0:08:02] } 36... Qd6?! { [%eval -1.64] } { Inaccuracy. c4 was best. } { [%clk 0:18:56] } 37. Nxc5?! { [%eval -2.24] } { Inaccuracy. c4 was best. } { [%clk 0:06:39] } 37... Rxc5 { [%eval -1.9] [%clk 0:18:44] } 38. Bxc5 { [%eval -1.9] [%clk 0:06:38] } 38... Qxc5 { [%eval -2.12] [%clk 0:18:59] } 39. gxf4 { [%eval -2.21] [%clk 0:05:46] } 39... exf4 { [%eval -2.39] [%clk 0:18:50] } 40. d4 { [%eval -2.44] [%clk 0:36:10] } 40... Qxa5 { [%eval -2.27] [%clk 0:48:30] } 41. e5 { [%eval -2.91] [%clk 0:30:13] } 41... Bd5?! { [%eval -2.02] } { Inaccuracy. Qb5 was best. } { [%clk 0:48:21] } 42. Rb1? { [%eval -3.34] } { Mistake. Qc1 was best. } { [%clk 0:27:40] } 42... Qc7 { [%eval -2.62] [%clk 0:47:35] } 43. Rbc1?! { [%eval -3.67] } { Inaccuracy. Rf2 was best. } { [%clk 0:26:01] } 43... Qc4 { [%eval -3.95] [%clk 0:43:40] } 44. Rf2 { [%eval -3.85] [%clk 0:23:46] } 44... a5 { [%eval -4.06] [%clk 0:43:24] } 45. Ra1 { [%eval -3.88] [%clk 0:21:41] } 45... Qb5? { [%eval -2.03] } { Mistake. Ra8 was best. } { [%clk 0:42:30] } 46. Ne2 { [%eval -1.98] [%clk 0:21:29] } 46... Bc6?? { [%eval 0.25] } { Blunder. Be6 was best. } { [%clk 0:42:03] } 47. c4 { [%eval 0.09] [%clk 0:18:37] } 47... Qxc4 { [%eval 0.22] [%clk 0:40:44] } 48. Rxa5?? { [%eval -1.43] } { Blunder. Rc1 was best. } { [%clk 0:17:23] } 48... f3 { [%eval -1.6] [%clk 0:40:29] } 49. Ng3 { [%eval -1.45] [%clk 0:16:56] } 49... Rf4 { [%eval -2.0] [%clk 0:40:20] } 50. Rc5? { [%eval -3.57] } { Mistake. d5 was best. } { [%clk 0:16:25] } 50... Qe6 { [%eval -3.46] [%clk 0:40:42] } 51. Rxc6 { [%eval -3.95] [%clk 0:08:36] } 51... Qxc6 { [%eval -3.94] [%clk 0:41:08] } 52. Qd2 { [%eval -3.69] [%clk 0:09:06] } 52... Rh4 { [%eval -3.77] [%clk 0:40:00] } 53. d5?! { [%eval -5.59] } { Inaccuracy. Qe3 was best. } { [%clk 0:08:59] } 53... Qc4 { [%eval -5.19] [%clk 0:40:17] } 54. Rxf3 { [%eval -5.52] [%clk 0:07:55] } 54... Qg4?! { [%eval -3.7] } { Inaccuracy. Bxe5 was best. } { [%clk 0:40:24] } 55. Qe3 { [%eval -4.56] [%clk 0:07:43] } 55... Qxh3+ { [%eval -4.95] } 56. Kg1 { [%eval -4.98] } 56... Rc4 { [%eval -4.34] [%clk 0:39:02] } 57. Ne2 { [%eval -4.94] [%clk 0:07:31] } 57... Qg4+ { [%eval -4.74] [%clk 0:35:42] } 58. Rg3 { [%eval -4.49] [%clk 0:07:55] } 58... Re4?! { [%eval -3.37] } { Inaccuracy. Qh4 was best. } { [%clk 0:35:30] } 59. Rxg4 { [%eval -3.38] [%clk 0:07:24] } 59... Rxe3 { [%eval -3.5] [%clk 0:35:55] } 60. Rxb4 { [%eval -3.89] [%clk 0:06:18] } 60... Rxe2 { [%eval -4.18] [%clk 0:32:37] } 61. e6 { [%eval -4.11] [%clk 0:06:46] } 61... Re5 { [%eval -4.01] [%clk 0:31:08] } 62. Rb5?! { [%eval -5.15] } { Inaccuracy. Rb8 was best. } { [%clk 0:07:05] } 62... g5 { [%eval -5.54] [%clk 0:31:06] } 63. Rb8 { [%eval -6.16] [%clk 0:06:25] } 63... Kg6 { [%eval -5.01] [%clk 0:29:59] } 64. Rg8 { [%eval -5.86] [%clk 0:06:34] } 64... Kh7 { [%eval -6.19] [%clk 0:28:49] } 65. Rd8 { [%eval -6.25] [%clk 0:06:53] } 65... Bf6 { [%eval -6.33] [%clk 0:29:09] } 66. Rf8 { [%eval -6.68] [%clk 0:05:39] } 66... Kg7 { [%eval -6.68] [%clk 0:29:12] } 67. Rf7+ { [%eval -6.49] [%clk 0:05:45] } 67... Kg6 { [%eval -6.66] [%clk 0:29:37] } 68. Rd7 { [%eval -6.75] [%clk 0:06:05] } 68... h5 { [%eval -7.28] [%clk 0:29:41] } 69. Kg2 { [%eval -7.5] [%clk 0:06:32] } 69... g4 { [%eval -8.01] [%clk 0:29:47] } 70. Kg3? { [%eval #-4] } { Checkmate is now unavoidable. Rb7 was best. } { [%clk 0:06:59] } 70... Kg5? { [%eval -8.96] } { Lost forced checkmate sequence. Re2 was best. } { [%clk 0:30:00] } 0-1