Event: Round 4: Li, Mason J - Chen, Derek Li
Date: 2024-12-08
White: Li, Mason J
WhiteElo: 1837
Black: Chen, Derek Li
BlackElo: 1962
Result: 1-0
ECO: B22
Opening: Sicilian Defense: Alapin Variation, Stoltz Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:55] } 2. c3 { [%eval 0.0] [%clk 1:31:22] } 2... Nf6 { [%eval 0.02] [%clk 1:31:21] } 3. e5 { [%eval 0.07] [%clk 1:31:46] } 3... Nd5 { [%eval 0.12] [%clk 1:31:45] } 4. Nf3 { [%eval 0.03] [%clk 1:32:11] } 4... Nc6 { [%eval 0.11] [%clk 1:32:06] } 5. Bc4 { [%eval 0.11] [%clk 1:32:08] } 5... Nb6 { [%eval 0.23] [%clk 1:32:28] } 6. Bb3 { [%eval 0.01] [%clk 1:32:34] } 6... c4 { [%eval 0.22] [%clk 1:32:51] } 7. Bc2 { [%eval 0.12] [%clk 1:32:52] } 7... d6 { [%eval 0.15] [%clk 1:31:51] } 8. exd6 { [%eval 0.21] [%clk 1:32:59] } 8... Qxd6 { [%eval 0.2] [%clk 1:32:11] } 9. O-O { [%eval 0.15] [%clk 1:33:18] } 9... Bg4 { [%eval 0.25] [%clk 1:32:24] } 10. Qe2 { [%eval -0.05] [%clk 1:31:27] } 10... O-O-O { [%eval 0.16] [%clk 1:27:23] } 11. b3 { [%eval 0.19] [%clk 1:28:52] } 11... Bxf3?! { [%eval 1.0] } { Inaccuracy. Qe6 was best. } { [%clk 1:23:02] } 12. Qxf3 { [%eval 1.25] [%clk 1:29:04] } 12... Ne5 { [%eval 1.02] [%clk 1:23:26] } 13. Qh3+ { [%eval 0.99] [%clk 1:28:48] } 13... e6 { [%eval 1.05] [%clk 1:23:45] } 14. bxc4 { [%eval 0.99] [%clk 1:27:46] } 14... Nbxc4?! { [%eval 1.99] } { Inaccuracy. Nexc4 was best. } { [%clk 1:01:14] } 15. d4 { [%eval 1.97] [%clk 1:27:41] } 15... Nd7 { [%eval 2.31] [%clk 0:59:05] } 16. Nd2 { [%eval 2.07] [%clk 1:27:13] } 16... Ndb6 { [%eval 2.24] [%clk 0:59:20] } 17. Bb3 { [%eval 1.65] [%clk 1:22:25] } 17... Qc7 { [%eval 1.68] [%clk 0:58:36] } 18. a4 { [%eval 1.13] [%clk 1:15:46] } 18... Na5 { [%eval 0.98] [%clk 0:57:46] } 19. Bc2?! { [%eval 0.32] } { Inaccuracy. Ba2 was best. } { [%clk 1:14:47] } 19... Kb8?! { [%eval 0.88] } { Inaccuracy. Nd5 was best. } { [%clk 0:58:03] } 20. Ne4?! { [%eval 0.2] } { Inaccuracy. Qf3 was best. } { [%clk 1:11:57] } 20... h6 { [%eval 0.15] [%clk 0:55:35] } 21. Qf3 { [%eval 0.08] [%clk 1:09:13] } 21... Nd5 { [%eval 0.04] [%clk 0:55:20] } 22. Re1 { [%eval 0.01] [%clk 0:59:32] } 22... f5 { [%eval 0.32] [%clk 0:54:59] } 23. Ng3 { [%eval -0.05] [%clk 0:57:30] } 23... Nc6?! { [%eval 0.74] } { Inaccuracy. Qc6 was best. } { [%clk 0:51:54] } 24. Bb3 { [%eval 0.84] [%clk 0:56:22] } 24... Na5?! { [%eval 1.95] } { Inaccuracy. Nxc3 was best. } { [%clk 0:48:49] } 25. Bxd5 { [%eval 1.97] [%clk 0:53:24] } 25... exd5 { [%eval 1.91] [%clk 0:49:12] } 26. Nxf5 { [%eval 1.73] [%clk 0:53:35] } 26... Ka8 { [%eval 2.08] [%clk 0:49:35] } 27. Bf4 { [%eval 2.22] [%clk 0:50:18] } 27... Qf7 { [%eval 2.01] [%clk 0:49:18] } 28. Ne3?! { [%eval 1.32] } { Inaccuracy. Be5 was best. } { [%clk 0:47:46] } 28... Qd7? { [%eval 3.18] } { Mistake. Bd6 was best. } { [%clk 0:41:58] } 29. Qxd5 { [%eval 3.11] [%clk 0:42:38] } 29... Qxd5 { [%eval 3.14] [%clk 0:42:16] } 30. Nxd5 { [%eval 3.05] [%clk 0:43:01] } 30... Bd6 { [%eval 3.29] [%clk 0:42:34] } 31. Nc7+ { [%eval 3.3] [%clk 0:40:12] } 31... Kb8 { [%eval 3.35] [%clk 0:42:51] } 32. Ne6 { [%eval 2.9] [%clk 0:39:48] } 32... Bxf4 { [%eval 2.75] [%clk 0:43:13] } 33. Nxf4 { [%eval 2.88] [%clk 0:40:12] } 33... Rc8 { [%eval 2.7] [%clk 0:43:11] } 34. Re3 { [%eval 2.71] [%clk 0:38:57] } 34... Rhf8 { [%eval 3.08] [%clk 0:39:57] } 35. g3 { [%eval 2.97] [%clk 0:36:37] } 35... Rf7 { [%eval 3.07] [%clk 0:40:01] } 36. Rae1 { [%eval 2.39] [%clk 0:36:30] } 36... g5?! { [%eval 3.18] } { Inaccuracy. Nc4 was best. } { [%clk 0:39:54] } 37. Nd5 { [%eval 3.37] [%clk 0:36:27] } 37... Nc4 { [%eval 3.35] [%clk 0:39:34] } 38. Re8 { [%eval 2.9] [%clk 0:36:23] } 38... Nd2 { [%eval 3.52] [%clk 0:38:30] } 39. Kg2 { [%eval 3.64] [%clk 0:35:00] } 39... g4 { [%eval 4.28] [%clk 0:36:33] } 40. R1e2 { [%eval 3.91] [%clk 0:30:13] } 40... Nf3 { [%eval 3.87] [%clk 0:36:38] } 41. R2e7 { [%eval 3.78] [%clk 0:28:07] } 41... Rf5?! { [%eval 4.98] } { Inaccuracy. Rxe7 was best. } { [%clk 0:35:43] } 42. Rxc8+ { [%eval 5.03] [%clk 0:26:48] } 42... Kxc8 { [%eval 4.98] [%clk 0:36:08] } 43. Ne3 { [%eval 4.9] [%clk 0:26:51] } 43... Rg5 { [%eval 4.85] [%clk 0:34:42] } 44. Nxg4 { [%eval 4.86] [%clk 0:25:02] } 1-0