Event: Round 4: William Li - Derek Ma
Date: 2023-01-29
White: William Li
Black: Derek Ma
Result: 1-0
ECO: B42
Opening: Sicilian Defense: Kan Variation, Modern Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:22] } 1... c5 { [%eval 0.32] [%clk 1:30:56] } 2. Nf3 { [%eval 0.0] [%clk 1:30:47] } 2... e6 { [%eval 0.34] [%clk 1:31:22] } 3. d4 { [%eval 0.42] [%clk 1:31:13] } 3... cxd4 { [%eval 0.37] [%clk 1:31:49] } 4. Nxd4 { [%eval 0.4] [%clk 1:31:40] } 4... a6 { [%eval 0.6] [%clk 1:32:15] } 5. Bd3 { [%eval 0.42] [%clk 1:32:02] } 5... Qc7 { [%eval 0.36] [%clk 1:32:41] } 6. O-O { [%eval 0.13] [%clk 1:31:30] } 6... Nf6 { [%eval 0.67] } 7. c4 { [%eval 0.44] [%clk 1:30:12] } 7... Nc6 { [%eval 0.17] [%clk 1:33:30] } 8. Be3 { [%eval 0.67] [%clk 1:16:40] } 8... Ne5 { [%eval 0.33] [%clk 1:30:29] } 9. h3 { [%eval 0.33] [%clk 1:16:29] } 9... Nxd3 { [%eval 0.62] [%clk 1:27:35] } 10. Qxd3 { [%eval 0.58] [%clk 1:16:45] } 10... b6 { [%eval 0.57] [%clk 1:25:25] } 11. f4 { [%eval 0.34] [%clk 1:15:04] } 11... d6 { [%eval 0.69] [%clk 1:16:53] } 12. Nc3 { [%eval 0.66] [%clk 1:15:05] } 12... Be7 { [%eval 0.77] [%clk 1:14:30] } 13. Rac1 { [%eval 0.63] [%clk 1:13:44] } 13... O-O { [%eval 0.66] [%clk 1:10:46] } 14. Rfd1 { [%eval 0.35] [%clk 1:01:11] } 14... Re8 { [%eval 0.29] [%clk 1:04:35] } 15. Kh1 { [%eval 0.04] [%clk 0:52:30] } 15... Nd7 { [%eval 0.43] [%clk 0:57:18] } 16. b3 { [%eval -0.08] [%clk 0:41:07] } 16... Bb7 { [%eval -0.02] [%clk 0:55:44] } 17. Qb1 { [%eval -0.31] [%clk 0:40:31] } 17... Rac8 { [%eval -0.23] [%clk 0:54:19] } 18. Nf3 { [%eval -0.39] [%clk 0:23:51] } 18... Bf6 { [%eval -0.23] [%clk 0:48:27] } 19. Bd4 { [%eval -0.15] [%clk 0:22:47] } 19... Rcd8 { [%eval -0.02] [%clk 0:44:50] } 20. Bxf6 { [%eval -0.47] [%clk 0:20:06] } 20... Nxf6 { [%eval -0.42] [%clk 0:42:30] } 21. Qd3 { [%eval -0.52] [%clk 0:17:47] } 21... d5 { [%eval -0.4] [%clk 0:39:55] } 22. e5 { [%eval -0.5] [%clk 0:15:11] } 22... dxc4 { [%eval -0.45] [%clk 0:39:57] } 23. Qxc4 { [%eval -0.35] [%clk 0:15:37] } 23... Qxc4 { [%eval -0.39] [%clk 0:38:13] } 24. bxc4 { [%eval -0.34] [%clk 0:16:03] } 24... Ne4 { [%eval -0.22] [%clk 0:36:59] } 25. Nxe4 { [%eval -0.22] [%clk 0:15:42] } 25... Bxe4 { [%eval -0.28] [%clk 0:37:23] } 26. Nd2 { [%eval -0.19] [%clk 0:13:50] } 26... Bc6 { [%eval -0.23] [%clk 0:32:56] } 27. Nb3 { [%eval -0.28] [%clk 0:13:09] } 27... Ba4 { [%eval 0.0] [%clk 0:23:04] } 28. Kg1 { [%eval -0.06] [%clk 0:13:15] } 28... Kf8 { [%eval 0.02] [%clk 0:20:19] } 29. Kf2 { [%eval 0.0] [%clk 0:13:28] } 29... Ke7 { [%eval 0.02] [%clk 0:19:04] } 30. Ke3 { [%eval 0.0] [%clk 0:13:20] } 30... f6 { [%eval 0.08] [%clk 0:17:20] } 31. Rxd8 { [%eval 0.03] [%clk 0:09:56] } 31... Rxd8 { [%eval 0.03] } 32. Nd4 { [%eval 0.0] [%clk 0:10:24] } 32... g5?? { [%eval 2.09] } { Blunder. Rc8 was best. } { [%clk 0:09:05] } 33. exf6+ { [%eval 1.92] [%clk 0:10:20] } 33... Kxf6 { [%eval 2.0] [%clk 0:09:27] } 34. fxg5+ { [%eval 1.89] [%clk 0:10:47] } 34... Ke5 { [%eval 2.0] [%clk 0:09:50] } 35. Nf3+ { [%eval 2.06] [%clk 0:11:09] } 35... Kd6 { [%eval 1.95] [%clk 0:10:11] } 36. Rb1 { [%eval 1.74] [%clk 0:10:29] } 36... Kc5?! { [%eval 2.92] } { Inaccuracy. b5 was best. } { [%clk 0:08:04] } 37. Nd2? { [%eval 1.21] } { Mistake. Ne5 was best. } { [%clk 0:10:55] } 37... Bc2 { [%eval 1.17] [%clk 0:07:46] } 38. Rb2 { [%eval 0.97] [%clk 0:10:03] } 38... Rd3+ { [%eval 0.7] [%clk 0:05:51] } 39. Ke2 { [%eval 1.01] [%clk 0:10:29] } 39... Rc3 { [%eval 0.67] [%clk 0:06:17] } 40. h4 { [%eval 0.93] [%clk 0:08:49] } 40... Bf5 { [%eval 0.89] [%clk 0:05:16] } 41. Kf2 { [%eval 1.1] [%clk 0:08:49] } 41... Ra3 { [%eval 1.38] [%clk 0:04:33] } 42. h5 { [%eval 1.38] [%clk 0:08:17] } 42... Rd3?! { [%eval 2.11] } { Inaccuracy. b5 was best. } { [%clk 0:03:48] } 43. Nf3 { [%eval 2.18] [%clk 0:08:00] } 43... Rd1 { [%eval 2.26] [%clk 0:03:17] } 44. Nh4 { [%eval 2.41] [%clk 0:07:39] } 44... Rd4 { [%eval 2.8] [%clk 0:02:21] } 45. g3?! { [%eval 1.89] } { Inaccuracy. Nxf5 was best. } { [%clk 0:04:13] } 45... Rxc4? { [%eval 3.36] } { Mistake. Rg4 was best. } { [%clk 0:01:59] } 46. Nxf5 { [%eval 2.97] [%clk 0:03:00] } 46... exf5 { [%eval 3.06] [%clk 0:02:05] } 47. Re2 { [%eval 2.75] [%clk 0:03:29] } 47... Kd6 { [%eval 3.09] [%clk 0:01:43] } 48. Re8 { [%eval 2.75] [%clk 0:02:59] } 48... Rc2+?! { [%eval 4.05] } { Inaccuracy. f4 was best. } { [%clk 0:01:12] } 49. Kg1? { [%eval 2.33] } { Mistake. Kf3 was best. } { [%clk 0:03:26] } 49... Rc7 { [%eval 2.59] [%clk 0:00:58] } 50. Kg2?? { [%eval 0.0] } { Blunder. h6 was best. } { [%clk 0:03:27] } 50... Rg7 { [%eval 0.0] [%clk 0:01:12] } 51. Rh8 { [%eval 0.0] [%clk 0:03:12] } 51... Rxg5 { [%eval 0.0] [%clk 0:01:25] } 52. Rxh7 { [%eval 0.0] [%clk 0:03:39] } 52... f4 { [%eval 0.0] [%clk 0:01:45] } 53. Rh6+ { [%eval 0.0] [%clk 0:03:39] } 53... Kc5 { [%eval 0.0] [%clk 0:00:51] } 54. Rg6 { [%eval 0.0] [%clk 0:04:04] } 54... Rf5?? { [%eval 5.85] } { Blunder. Rxh5 was best. } { [%clk 0:00:35] } 55. g4 { [%eval 5.74] [%clk 0:04:13] } 55... f3+ { [%eval 6.26] [%clk 0:00:58] } 56. Kf2 { [%eval 6.36] [%clk 0:04:41] } 56... Rf8 { [%eval 6.27] [%clk 0:01:10] } 57. h6 { [%eval 6.53] [%clk 0:05:00] } 57... a5 { [%eval 6.42] [%clk 0:01:24] } 58. h7 { [%eval 6.49] [%clk 0:04:55] } 58... Rh8 { [%eval 6.65] [%clk 0:01:48] } 59. Rg7 { [%eval 6.55] [%clk 0:05:23] } 59... Kd5 { [%eval 7.14] [%clk 0:01:54] } 60. g5 { [%eval 7.32] [%clk 0:05:40] } 1-0