Event: Round 9: Jacobs, Calvin Nicholas - Yan, Weilun
Date: 2024-06-22
White: Jacobs, Calvin Nicholas
WhiteElo: 1785
Black: Yan, Weilun
BlackElo: 1676
Result: 1-0
ECO: A01
Opening: Nimzo-Larsen Attack: Modern Variation
Variant: Standard

1. b3 { [%eval 0.0] [%clk 1:30:54] } 1... e5 { [%eval -0.05] [%clk 1:30:38] } 2. Bb2 { [%eval -0.04] [%clk 1:31:05] } 2... Nc6 { [%eval 0.04] [%clk 1:31:00] } 3. e3 { [%eval 0.0] [%clk 1:31:02] } 3... Nf6 { [%eval 0.0] [%clk 1:30:59] } 4. Bb5 { [%eval -0.22] [%clk 1:30:39] } 4... Bd6 { [%eval 0.0] [%clk 1:30:48] } 5. Nf3 { [%eval -0.29] [%clk 1:30:12] } 5... e4 { [%eval -0.25] [%clk 1:29:10] } 6. Nd4 { [%eval -0.36] [%clk 1:28:35] } 6... Nxd4 { [%eval -0.28] [%clk 1:27:02] } 7. Bxd4 { [%eval -0.33] [%clk 1:28:26] } 7... c6 { [%eval -0.02] [%clk 1:26:26] } 8. Be2 { [%eval -0.07] [%clk 1:28:29] } 8... Bc7 { [%eval 0.06] [%clk 1:12:38] } 9. c4 { [%eval 0.12] [%clk 1:26:49] } 9... d5 { [%eval 0.13] [%clk 1:10:06] } 10. Bb2? { [%eval -1.04] } { Mistake. Nc3 was best. } { [%clk 1:24:13] } 10... Bf5 { [%eval -0.63] [%clk 1:03:49] } 11. Na3 { [%eval -1.03] [%clk 1:23:06] } 11... a6 { [%eval -0.85] [%clk 1:01:39] } 12. Nc2 { [%eval -0.88] [%clk 1:21:53] } 12... h5 { [%eval -0.78] [%clk 0:53:49] } 13. Nd4 { [%eval -0.66] [%clk 1:21:26] } 13... Bg6 { [%eval -0.68] [%clk 0:53:13] } 14. c5 { [%eval -0.58] [%clk 1:20:34] } 14... Nd7 { [%eval -0.51] [%clk 0:51:24] } 15. Qc2 { [%eval -0.89] [%clk 1:19:48] } 15... Qe7 { [%eval -0.7] [%clk 0:50:19] } 16. b4 { [%eval -0.59] [%clk 1:19:00] } 16... Ne5 { [%eval -0.46] [%clk 0:30:03] } 17. a4 { [%eval -1.0] [%clk 1:17:41] } 17... Qg5?! { [%eval -0.42] } { Inaccuracy. h4 was best. } { [%clk 0:28:59] } 18. g3 { [%eval -0.73] [%clk 1:15:27] } 18... Ng4? { [%eval 0.62] } { Mistake. h4 was best. } { [%clk 0:23:11] } 19. h4 { [%eval 0.73] [%clk 1:13:43] } 19... Qe7 { [%eval 0.8] [%clk 0:22:56] } 20. Bxg4 { [%eval 0.72] [%clk 1:13:23] } 20... hxg4 { [%eval 0.93] [%clk 0:23:23] } 21. O-O-O? { [%eval -0.45] } { Mistake. b5 was best. } { [%clk 1:13:05] } 21... f6 { [%eval -0.41] [%clk 0:20:17] } 22. Rh2 { [%eval -0.39] [%clk 1:07:13] } 22... Kf7 { [%eval -0.42] [%clk 0:16:10] } 23. a5 { [%eval -0.55] [%clk 1:06:26] } 23... Rh5 { [%eval -0.55] [%clk 0:15:15] } 24. Rf1 { [%eval -0.55] [%clk 1:05:21] } 24... Rah8 { [%eval -0.66] [%clk 0:15:06] } 25. Qd1 { [%eval -0.55] [%clk 1:04:45] } 25... Qd7 { [%eval -0.57] [%clk 0:15:08] } 26. Rhh1 { [%eval -0.6] [%clk 1:04:14] } 26... Bf5 { [%eval -0.64] [%clk 0:13:19] } 27. Bc3 { [%eval -0.57] [%clk 1:03:18] } 27... Bg6 { [%eval -0.62] [%clk 0:13:21] } 28. Qe2 { [%eval -0.54] [%clk 1:03:18] } 28... Bf5 { [%eval -0.64] [%clk 0:13:25] } 29. Kb2 { [%eval -0.89] [%clk 1:02:57] } 29... g5 { [%eval -0.77] [%clk 0:13:32] } 30. Rhg1?! { [%eval -1.86] } { Inaccuracy. Qe1 was best. } { [%clk 1:00:44] } 30... gxh4 { [%eval -1.93] [%clk 0:13:19] } 31. gxh4 { [%eval -1.93] [%clk 1:00:20] } 31... Rxh4 { [%eval -1.89] [%clk 0:13:36] } 32. Rg2 { [%eval -1.84] [%clk 0:59:52] } 32... Bg6? { [%eval -0.24] } { Mistake. R8h6 was best. } { [%clk 0:12:40] } 33. Qd1? { [%eval -1.78] } { Mistake. f3 was best. } { [%clk 0:58:29] } 33... R8h7 { [%eval -1.78] [%clk 0:12:13] } 34. Ne2 { [%eval -1.85] [%clk 0:58:15] } 34... Qf5 { [%eval -1.77] [%clk 0:11:42] } 35. Nd4 { [%eval -1.78] [%clk 0:56:03] } 35... Qh5? { [%eval -0.43] } { Mistake. Qd7 was best. } { [%clk 0:12:01] } 36. Ka3? { [%eval -1.81] } { Mistake. b5 was best. } { [%clk 0:55:01] } 36... Rg7?! { [%eval -1.17] } { Inaccuracy. Bf5 was best. } { [%clk 0:09:54] } 37. Rfg1 { [%eval -1.73] [%clk 0:51:46] } 37... Bh7?? { [%eval 0.0] } { Blunder. Bf5 was best. } { [%clk 0:09:48] } 38. Qb3?! { [%eval -0.91] } { Inaccuracy. Qa4 was best. } { [%clk 0:50:32] } 38... Rh1?! { [%eval 0.0] } { Inaccuracy. Bf5 was best. } { [%clk 0:06:57] } 39. b5 { [%eval 0.0] [%clk 0:49:28] } 39... Rxg1 { [%eval 0.39] [%clk 0:06:34] } 40. Rxg1 { [%eval 0.37] [%clk 0:49:31] } 40... axb5 { [%eval 0.29] [%clk 0:04:18] } 41. a6 { [%eval 0.36] [%clk 0:49:44] } 41... Qh2?? { [%eval 3.23] } { Blunder. bxa6 was best. } { [%clk 0:03:46] } 42. Qd1?? { [%eval 0.48] } { Blunder. a7 was best. } { [%clk 0:47:46] } 42... bxa6 { [%eval 0.48] [%clk 0:02:49] } 43. Rxg4 { [%eval 0.0] [%clk 0:47:44] } 43... a5 { [%eval 0.0] [%clk 0:02:25] } 44. Rxg7+ { [%eval 0.0] [%clk 0:47:27] } 44... Kxg7 { [%eval 0.0] [%clk 0:02:50] } 45. Qg4+ { [%eval 0.0] [%clk 0:47:08] } 45... Kh6 { [%eval 0.0] [%clk 0:03:06] } 46. Ne6 { [%eval 0.0] [%clk 0:46:26] } 46... b4+ { [%eval 0.0] [%clk 0:02:54] } 47. Kb3 { [%eval 0.0] [%clk 0:46:46] } 47... Bg6?? { [%eval 4.12] } { Blunder. bxc3 was best. } { [%clk 0:00:33] } 48. Bxf6 { [%eval 3.86] [%clk 0:47:02] } 48... Bb8?? { [%eval #5] } { Checkmate is now unavoidable. Qh5 was best. } { [%clk 0:00:31] } 49. Qg5+ { [%eval #4] [%clk 0:47:19] } 49... Kh7 { [%eval #4] [%clk 0:00:47] } 50. Nf8+ { [%eval #3] [%clk 0:47:44] } 1-0