Event: Round 4: Nathan Yan - Adam Stevens
Date: 2024-02-17
White: Nathan Yan
WhiteTitle: FM
Black: Adam Stevens
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:19:31] } 1... c5 { [%eval 0.33] [%clk 1:28:05] } 2. Nf3 { [%eval 0.25] [%clk 1:19:46] } 2... d6 { [%eval 0.0] [%clk 1:27:57] } 3. d4 { [%eval 0.25] [%clk 1:20:13] } 3... cxd4 { [%eval 0.13] [%clk 1:27:53] } 4. Nxd4 { [%eval 0.27] } 4... Nf6 { [%eval 0.3] [%clk 1:28:14] } 5. Nc3 { [%eval 0.21] [%clk 1:20:45] } 5... a6 { [%eval 0.24] [%clk 1:28:37] } 6. f3 { [%eval 0.33] [%clk 1:21:08] } 6... e5 { [%eval 0.29] [%clk 1:26:50] } 7. Nb3 { [%eval 0.17] [%clk 1:21:32] } 7... Be6 { [%eval 0.25] [%clk 1:27:09] } 8. Be3 { [%eval 0.42] [%clk 1:21:55] } 8... h5 { [%eval 0.32] [%clk 1:26:27] } 9. Qd2 { [%eval 0.36] [%clk 1:22:15] } 9... Nbd7 { [%eval 0.27] [%clk 1:26:43] } 10. O-O-O { [%eval 0.3] [%clk 1:20:43] } 10... Rc8 { [%eval 0.22] [%clk 1:26:59] } 11. Bd3 { [%eval 0.25] [%clk 1:21:05] } 11... Be7 { [%eval 0.28] [%clk 1:23:24] } 12. Kb1 { [%eval 0.26] [%clk 1:21:21] } 12... b5 { [%eval 0.18] [%clk 1:23:18] } 13. h3 { [%eval 0.26] [%clk 1:20:36] } 13... h4 { [%eval 0.19] [%clk 1:23:34] } 14. f4 { [%eval 0.3] [%clk 1:20:58] } 14... Qc7 { [%eval 0.23] [%clk 1:23:20] } 15. Rhe1 { [%eval 0.11] [%clk 1:21:16] } 15... O-O { [%eval 0.17] [%clk 1:23:22] } 16. f5 { [%eval -0.2] [%clk 1:21:30] } 16... Bc4 { [%eval -0.02] [%clk 1:23:43] } 17. g4 { [%eval 0.0] [%clk 1:21:53] } 17... hxg3 { [%eval 0.0] [%clk 1:23:20] } 18. Rg1 { [%eval 0.0] [%clk 1:21:56] } 18... b4 { [%eval 0.0] [%clk 1:23:40] } 19. Nd5 { [%eval 0.0] [%clk 1:22:14] } 19... Nxd5 { [%eval 0.0] [%clk 1:24:06] } 20. exd5 { [%eval 0.0] [%clk 1:22:32] } 20... Bh4 { [%eval 0.0] [%clk 1:24:34] } 21. Bg5 { [%eval 0.0] [%clk 1:22:44] } 21... Bxd3 { [%eval 0.08] [%clk 1:25:01] } 22. cxd3 { [%eval 0.32] [%clk 1:22:45] } 22... Bxg5 { [%eval 0.25] [%clk 1:25:22] } 23. Qxg5 { [%eval 0.15] [%clk 1:23:07] } 23... f6 { [%eval 0.0] [%clk 1:25:50] } 24. Qxg3 { [%eval 0.0] [%clk 1:23:36] } 24... Nb6 { [%eval 0.14] [%clk 1:26:06] } 25. h4 { [%eval 0.06] [%clk 1:20:57] } 25... a5 { [%eval 0.0] [%clk 1:25:52] } 26. Rc1 { [%eval -0.49] [%clk 1:19:55] } 26... Qf7 { [%eval -0.03] [%clk 1:08:20] } 27. h5 { [%eval 0.0] [%clk 1:17:18] } 27... Rxc1+ { [%eval -0.08] [%clk 1:08:34] } 28. Nxc1 { [%eval -0.17] [%clk 1:17:33] } 28... Qd7?! { [%eval 0.55] } { Inaccuracy. Kh7 was best. } { [%clk 1:02:47] } 29. h6 { [%eval 0.62] [%clk 1:15:26] } 29... Rf7 { [%eval 0.55] [%clk 1:03:05] } 30. Qf3 { [%eval 0.62] [%clk 1:11:11] } 30... Qb7 { [%eval 0.74] [%clk 0:43:44] } 31. Qh5 { [%eval 0.27] [%clk 1:07:38] } 31... Qd7? { [%eval 1.45] } { Mistake. Qe7 was best. } { [%clk 0:41:57] } 32. Rh1?! { [%eval 0.62] } { Inaccuracy. hxg7 was best. } { [%clk 0:58:23] } 32... Qe7?! { [%eval 1.33] } { Inaccuracy. gxh6 was best. } { [%clk 0:29:42] } 33. hxg7 { [%eval 1.18] [%clk 0:55:00] } 33... Rxg7 { [%eval 1.09] [%clk 0:29:58] } 34. Qf3? { [%eval -0.09] } { Mistake. Qh8+ was best. } { [%clk 0:43:06] } 34... Qb7? { [%eval 1.04] } { Mistake. Qf7 was best. } { [%clk 0:28:08] } 35. Rh6?! { [%eval 0.04] } { Inaccuracy. Qh5 was best. } { [%clk 0:42:52] } 35... Qf7?! { [%eval 0.78] } { Inaccuracy. Rg5 was best. } { [%clk 0:26:17] } 36. Qh1 { [%eval 0.87] [%clk 0:41:32] } 36... Kf8 { [%eval 1.01] [%clk 0:23:44] } 37. Rh8+ { [%eval 0.89] } 37... Rg8 { [%eval 1.3] [%clk 0:23:12] } 38. Rh7 { [%eval 1.52] [%clk 0:32:36] } 38... Rg7 { [%eval 1.35] [%clk 0:18:47] } 39. Qh6 { [%eval 1.59] [%clk 0:32:27] } 39... Nxd5 { [%eval 1.31] [%clk 0:17:39] } 40. Rh8+ { [%eval 1.46] [%clk 0:30:26] } 40... Ke7 { [%eval 1.42] [%clk 0:17:59] } 41. Ra8?! { [%eval 0.82] } { Inaccuracy. Qh1 was best. } { [%clk 0:30:29] } 41... Nb6 { [%eval 1.21] [%clk 0:15:27] } 42. Ra7+ { [%eval 1.38] [%clk 0:29:26] } 42... Nd7 { [%eval 1.44] [%clk 0:15:51] } 43. Qh1 { [%eval 1.33] [%clk 0:28:37] } 43... Rg8 { [%eval 1.07] [%clk 0:11:56] } 44. Qc6?! { [%eval 0.15] } { Inaccuracy. d4 was best. } { [%clk 0:28:27] } 44... Rd8 { [%eval 0.21] [%clk 0:11:54] } 45. Nb3 { [%eval 0.0] [%clk 0:25:43] } 45... Qh5 { [%eval 0.0] [%clk 0:11:29] } 46. Ra6?! { [%eval -1.02] } { Inaccuracy. Qc4 was best. } { [%clk 0:22:45] } 46... Nf8?! { [%eval 0.0] } { Inaccuracy. Nc5 was best. } { [%clk 0:10:13] } 47. Qc4 { [%eval -0.06] [%clk 0:19:46] } 47... Qxf5 { [%eval 0.1] [%clk 0:08:49] } 48. Nxa5 { [%eval 0.1] [%clk 0:20:00] } 48... Qf1+?? { [%eval 3.46] } { Blunder. Rc8 was best. } { [%clk 0:07:40] } 49. Kc2 { [%eval 3.03] [%clk 0:20:27] } 49... Qe2+?! { [%eval 4.23] } { Inaccuracy. Nd7 was best. } { [%clk 0:07:58] } 50. Kb3 { [%eval 3.98] [%clk 0:20:36] } 50... Qd1+?! { [%eval 5.34] } { Inaccuracy. Nd7 was best. } { [%clk 0:08:12] } 51. Kxb4 { [%eval 5.24] [%clk 0:20:55] } 51... Rb8+ { [%eval 6.65] [%clk 0:07:51] } 52. Ka3 { [%eval 6.59] [%clk 0:21:18] } 52... Ke8?? { [%eval #12] } { Checkmate is now unavoidable. Qg1 was best. } 53. Ra7 { [%eval 39.46] [%clk 0:20:41] } 53... Qh5?! { [%eval #4] } { Checkmate is now unavoidable. Qxd3+ was best. } { [%clk 0:00:36] } 54. Qc6+ { [%eval #3] [%clk 0:21:09] } 1-0