Event: Online_Olympiad_Div2_PoolA
Site: Chess.com
Date: 2021-09-03
White: Song, Raymond
WhiteElo: 2278
Black: Zeng, Chongsheng
BlackElo: 2654
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard
TimeControl: 900+5

1. e4 { [%eval 0.24] [%clk 0:15:04] } 1... c5 { [%eval 0.32] [%clk 0:14:47] } 2. Nf3 { [%eval 0.0] [%clk 0:15:07] } 2... Nc6 { [%eval 0.32] [%clk 0:14:50] } 3. Bb5 { [%eval 0.0] [%clk 0:15:11] } 3... Nf6?! { [%eval 0.52] } { Inaccuracy. e6 was best. } { [%clk 0:14:36] } 4. Bxc6 { [%eval 0.32] [%clk 0:15:11] } 4... dxc6 { [%eval 0.31] [%clk 0:14:35] } 5. d3 { [%eval 0.46] [%clk 0:15:16] } 5... Bg4 { [%eval 0.62] [%clk 0:14:00] } 6. h3 { [%eval 0.5] [%clk 0:15:18] } 6... Bxf3 { [%eval 0.77] [%clk 0:13:56] } 7. Qxf3 { [%eval 0.71] [%clk 0:15:21] } 7... g6 { [%eval 0.94] [%clk 0:14:00] } 8. Be3?! { [%eval 0.21] } { Inaccuracy. a4 was best. } { [%clk 0:14:29] } 8... Nd7?! { [%eval 1.01] } { Inaccuracy. Qb6 was best. } { [%clk 0:13:05] } 9. Nc3 { [%eval 0.61] [%clk 0:14:04] } 9... Bg7 { [%eval 0.46] [%clk 0:13:07] } 10. O-O { [%eval 0.47] [%clk 0:14:08] } 10... b6 { [%eval 0.21] [%clk 0:13:01] } 11. Qg3 { [%eval 0.3] [%clk 0:13:56] } 11... Nf8?! { [%eval 1.21] } { Inaccuracy. e5 was best. } { [%clk 0:12:49] } 12. f4 { [%eval 1.19] [%clk 0:13:50] } 12... Ne6 { [%eval 0.85] [%clk 0:12:42] } 13. e5 { [%eval 0.96] [%clk 0:13:26] } 13... Nd4 { [%eval 1.04] [%clk 0:12:14] } 14. Bxd4 { [%eval 0.88] [%clk 0:13:20] } 14... Qxd4+ { [%eval 0.59] [%clk 0:12:17] } 15. Kh1 { [%eval 1.07] [%clk 0:13:21] } 15... O-O { [%eval 1.22] [%clk 0:12:13] } 16. Rae1 { [%eval 0.95] [%clk 0:13:23] } 16... Qb4 { [%eval 0.82] [%clk 0:11:49] } 17. Rb1 { [%eval 0.89] [%clk 0:11:33] } 17... Rad8 { [%eval 0.96] [%clk 0:09:10] } 18. a3 { [%eval 0.64] [%clk 0:11:32] } 18... Qd4 { [%eval 0.59] [%clk 0:08:39] } 19. Rbe1 { [%eval 0.93] [%clk 0:11:34] } 19... Qd7 { [%eval 0.74] [%clk 0:06:46] } 20. Ne4 { [%eval 1.29] [%clk 0:10:34] } 20... Qd4 { [%eval 1.7] [%clk 0:06:47] } 21. Nc3? { [%eval 0.46] } { Mistake. b3 was best. } { [%clk 0:10:04] } 21... Qd7 { [%eval 0.77] [%clk 0:06:47] } 22. Ne4 { [%eval 0.75] [%clk 0:09:01] } 22... f6 { [%eval 0.61] [%clk 0:05:48] } 23. exf6 { [%eval 0.42] [%clk 0:08:51] } 23... exf6 { [%eval 0.21] [%clk 0:05:50] } 24. f5 { [%eval 0.34] [%clk 0:08:55] } 24... gxf5 { [%eval 0.48] [%clk 0:05:49] } 25. Nd2 { [%eval 0.48] [%clk 0:08:51] } 25... Rde8 { [%eval 0.43] [%clk 0:05:39] } 26. Qf4 { [%eval 0.09] [%clk 0:08:06] } 26... Qd4?! { [%eval 0.68] } { Inaccuracy. Rxe1 was best. } { [%clk 0:04:53] } 27. Qxd4?! { [%eval 0.0] } { Inaccuracy. Qxf5 was best. } { [%clk 0:05:39] } 27... cxd4 { [%eval 0.1] [%clk 0:04:55] } 28. Nf3 { [%eval -0.08] [%clk 0:05:43] } 28... c5 { [%eval -0.36] [%clk 0:04:32] } 29. Nh4 { [%eval -0.1] [%clk 0:05:43] } 29... f4 { [%eval -0.31] [%clk 0:04:23] } 30. Nf5 { [%eval -0.27] [%clk 0:05:34] } 30... Re5 { [%eval -0.3] [%clk 0:04:11] } 31. Nd6 { [%eval -0.25] [%clk 0:05:06] } 31... b5 { [%eval 0.0] [%clk 0:01:03] } 32. Rb1?! { [%eval -0.78] } { Inaccuracy. a4 was best. } { [%clk 0:02:43] } 32... a6?! { [%eval 0.0] } { Inaccuracy. Rd8 was best. } { [%clk 0:00:31] } 33. Rxf4 { [%eval -0.4] [%clk 0:02:45] } 33... Re2 { [%eval 0.0] [%clk 0:00:35] } 34. Nf5 { [%eval 0.0] [%clk 0:02:42] } 34... h5 { [%eval 0.0] [%clk 0:00:14] } 35. b4 { [%eval -0.04] [%clk 0:01:42] } 35... Rxc2 { [%eval 0.0] [%clk 0:00:17] } 36. bxc5 { [%eval -0.07] [%clk 0:01:47] } 36... Rxc5 { [%eval -0.04] [%clk 0:00:20] } 37. Re1 { [%eval -0.1] [%clk 0:01:51] } 37... Re5 { [%eval -0.19] [%clk 0:00:21] } 38. Rc1 { [%eval -0.1] [%clk 0:01:49] } 38... Rf7 { [%eval 0.12] [%clk 0:00:16] } 39. Nxd4?! { [%eval -0.53] } { Inaccuracy. Rc8+ was best. } { [%clk 0:01:31] } 39... Bh6 { [%eval -0.74] [%clk 0:00:12] } 40. Rc8+ { [%eval -0.71] [%clk 0:01:34] } 40... Kh7 { [%eval -0.37] [%clk 0:00:14] } 41. Rf1 { [%eval -0.03] [%clk 0:01:24] } 41... Rd5 { [%eval -0.28] [%clk 0:00:13] } 42. Nf5 { [%eval -0.47] [%clk 0:01:08] } 42... Rxd3 { [%eval 0.0] [%clk 0:00:17] } 43. Rf3?? { [%eval -1.55] } { Blunder. Nxh6 was best. } { [%clk 0:00:29] } 43... Rxf3 { [%eval -1.57] [%clk 0:00:16] } 44. gxf3 { [%eval -1.81] [%clk 0:00:34] } 44... Bf8 { [%eval -1.36] [%clk 0:00:19] } 45. Rc6?! { [%eval -2.19] } { Inaccuracy. Ra8 was best. } { [%clk 0:00:24] } 45... Bxa3?! { [%eval -1.2] } { Inaccuracy. a5 was best. } { [%clk 0:00:20] } 46. Rxa6 { [%eval -0.99] [%clk 0:00:28] } 46... Bf8 { [%eval -1.21] [%clk 0:00:22] } 47. Rb6 { [%eval -1.02] [%clk 0:00:30] } 47... b4 { [%eval -1.27] [%clk 0:00:26] } 48. Kg2 { [%eval -1.16] [%clk 0:00:33] } 48... Kg6?! { [%eval -0.61] } { Inaccuracy. Rc7 was best. } { [%clk 0:00:29] } 49. Ng3?! { [%eval -1.5] } { Inaccuracy. Nh4+ was best. } { [%clk 0:00:22] } 49... Bc5 { [%eval -1.05] [%clk 0:00:24] } 50. Rb5 { [%eval -0.91] [%clk 0:00:26] } 50... Rc7 { [%eval -1.07] [%clk 0:00:27] } 51. Ne4 { [%eval -1.14] [%clk 0:00:29] } 51... Be7 { [%eval -1.11] [%clk 0:00:31] } 52. Kf2?? { [%eval -2.93] } { Blunder. Kf1 was best. } { [%clk 0:00:31] } 52... Rc6? { [%eval -1.46] } { Mistake. f5 was best. } { [%clk 0:00:29] } 53. Ke2 { [%eval -1.01] [%clk 0:00:33] } 53... h4 { [%eval -0.89] [%clk 0:00:24] } 54. f4 { [%eval -1.14] [%clk 0:00:19] } 54... f5?! { [%eval -0.61] } { Inaccuracy. Rc2+ was best. } { [%clk 0:00:23] } 55. Nd2?! { [%eval -1.51] } { Inaccuracy. Nf2 was best. } { [%clk 0:00:17] } 55... Rc2 { [%eval -1.88] [%clk 0:00:16] } 56. Rb6+ { [%eval -1.53] [%clk 0:00:18] } 56... Kf7 { [%eval -2.18] [%clk 0:00:16] } 57. Ke1?! { [%eval -3.08] } { Inaccuracy. Rb5 was best. } { [%clk 0:00:15] } 57... Rc3 { [%eval -3.31] [%clk 0:00:17] } 58. Rb5 { [%eval -3.12] [%clk 0:00:14] } 58... Ke6 { [%eval -3.26] [%clk 0:00:12] } 59. Rb6+?! { [%eval -4.76] } { Inaccuracy. Re5+ was best. } { [%clk 0:00:18] } 59... Bd6 { [%eval -4.53] [%clk 0:00:11] } 60. Ke2 { [%eval -4.92] [%clk 0:00:23] } 60... Kd5 { [%eval -4.95] [%clk 0:00:12] } 61. Rb5+ { [%eval -5.74] [%clk 0:00:23] } 61... Bc5 { [%eval -5.79] [%clk 0:00:16] } 62. Nf3 { [%eval -7.6] [%clk 0:00:17] } 62... Re3+?! { [%eval -5.42] } { Inaccuracy. Kc6 was best. } { [%clk 0:00:19] } 63. Kf2 { [%eval -5.58] [%clk 0:00:22] } 63... Rc3+ { [%eval -4.86] [%clk 0:00:18] } 64. Kg2 { [%eval -5.84] [%clk 0:00:24] } 64... Rc2+ { [%eval -5.07] [%clk 0:00:20] } 65. Kh1 { [%eval -5.23] [%clk 0:00:26] } 65... Ke4 { [%eval -5.89] [%clk 0:00:17] } 66. Nxh4 { [%eval -6.1] [%clk 0:00:26] } 66... Kxf4 { [%eval -5.84] [%clk 0:00:17] } 67. Rb7 { [%eval -7.88] [%clk 0:00:20] } 67... Rc3 { [%eval -6.04] [%clk 0:00:15] } 68. Kg2 { [%eval -6.33] [%clk 0:00:23] } 68... b3 { [%eval -6.34] [%clk 0:00:14] } 69. Ng6+ { [%eval -6.49] [%clk 0:00:17] } 69... Ke4 { [%eval -6.55] [%clk 0:00:15] } 70. h4 { [%eval -8.37] [%clk 0:00:21] } 70... Rc2+ { [%eval -10.36] [%clk 0:00:15] } 71. Kh3?! { [%eval #-9] } { Checkmate is now unavoidable. Kh1 was best. } { [%clk 0:00:12] } 71... Bd6 { [%eval #-8] [%clk 0:00:17] } 72. Nf4 { [%eval #-7] [%clk 0:00:10] } 72... Rc3+?! { [%eval -59.0] } { Lost forced checkmate sequence. Bxf4 was best. } { [%clk 0:00:16] } 73. Kg2 { [%eval #-12] [%clk 0:00:14] } 73... Bxf4 { [%eval #-11] [%clk 0:00:19] } 74. h5 { [%eval #-9] [%clk 0:00:18] } 74... Rc2+ { [%eval #-8] [%clk 0:00:23] } 0-1