Event: Round 3: Chua, Ethan - Kolijn, David
Date: 2025-04-28
White: Chua, Ethan
WhiteElo: 2121
Black: Kolijn, David
BlackElo: 1902
Result: 1-0
ECO: B28
Opening: Sicilian Defense: O'Kelly Variation, Yerevan System
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:54] } 1... c5 { [%eval 0.25] [%clk 1:30:53] } 2. Nc3 { [%eval 0.26] [%clk 1:31:21] } 2... a6 { [%eval 0.25] [%clk 1:31:10] } 3. Nf3 { [%eval 0.16] [%clk 1:31:20] } 3... b5 { [%eval 0.36] [%clk 1:31:05] } 4. d4 { [%eval 0.31] [%clk 1:31:31] } 4... cxd4 { [%eval 0.38] [%clk 1:30:41] } 5. Nxd4 { [%eval 0.33] [%clk 1:31:46] } 5... Bb7 { [%eval 0.42] [%clk 1:29:20] } 6. a3 { [%eval 0.15] [%clk 1:26:10] } 6... d6 { [%eval 0.33] [%clk 1:24:31] } 7. g3 { [%eval 0.24] [%clk 1:20:17] } 7... g6 { [%eval 0.58] [%clk 1:17:32] } 8. Bg2 { [%eval 0.56] [%clk 1:19:29] } 8... Bg7 { [%eval 0.63] [%clk 1:16:36] } 9. O-O { [%eval 0.5] [%clk 1:19:43] } 9... e5?! { [%eval 1.38] } { Inaccuracy. Nc6 was best. } { [%clk 1:10:13] } 10. Nb3 { [%eval 1.38] [%clk 1:16:25] } 10... Ne7 { [%eval 1.5] [%clk 1:09:09] } 11. Qd3 { [%eval 1.49] [%clk 1:10:24] } 11... O-O { [%eval 1.33] [%clk 1:04:32] } 12. Rd1 { [%eval 1.33] [%clk 1:10:18] } 12... Nbc6 { [%eval 1.37] [%clk 1:03:28] } 13. Be3 { [%eval 1.38] [%clk 0:49:28] } 13... Qc8?! { [%eval 2.48] } { Inaccuracy. Rb8 was best. } { [%clk 0:51:25] } 14. Qxd6 { [%eval 2.3] [%clk 0:46:13] } 14... Rd8 { [%eval 2.48] [%clk 0:51:36] } 15. Qc5 { [%eval 2.37] [%clk 0:46:29] } 15... Bf8 { [%eval 2.25] [%clk 0:40:13] } 16. Rxd8 { [%eval 2.31] [%clk 0:45:29] } 16... Qxd8 { [%eval 2.19] [%clk 0:40:33] } 17. Qb6 { [%eval 1.9] [%clk 0:45:10] } 17... Qc8?! { [%eval 2.54] } { Inaccuracy. Qxb6 was best. } { [%clk 0:37:47] } 18. Nc5 { [%eval 2.47] [%clk 0:41:20] } 18... Rb8 { [%eval 2.51] [%clk 0:37:05] } 19. Nxb7 { [%eval 2.51] [%clk 0:41:14] } 19... Rxb7?! { [%eval 3.4] } { Inaccuracy. Qxb7 was best. } { [%clk 0:36:19] } 20. Qxa6 { [%eval 3.56] [%clk 0:41:29] } 20... Qb8 { [%eval 3.31] [%clk 0:16:11] } 21. Bf1 { [%eval 3.6] [%clk 0:25:08] } 21... Nd4 { [%eval 3.4] [%clk 0:13:34] } 22. Bxd4 { [%eval 3.02] [%clk 0:24:14] } 22... exd4 { [%eval 3.55] [%clk 0:14:02] } 23. Nxb5 { [%eval 3.49] [%clk 0:24:28] } 23... Rb6 { [%eval 3.51] [%clk 0:13:10] } 24. Qa4 { [%eval 3.37] [%clk 0:24:47] } 24... Qe5 { [%eval 3.77] [%clk 0:10:41] } 25. Bd3 { [%eval 3.87] [%clk 0:22:57] } 25... Nc6 { [%eval 3.77] [%clk 0:09:03] } 26. Qb3 { [%eval 3.58] [%clk 0:23:05] } 26... h5 { [%eval 3.53] [%clk 0:07:39] } 27. Qd5 { [%eval 3.61] [%clk 0:22:04] } 27... Qb8 { [%eval 3.47] [%clk 0:06:34] } 28. h4 { [%eval 3.27] [%clk 0:19:42] } 28... Bg7 { [%eval 3.83] [%clk 0:05:55] } 29. b3 { [%eval 3.46] [%clk 0:14:40] } 29... Ne5 { [%eval 3.08] [%clk 0:05:29] } 30. a4 { [%eval 3.52] [%clk 0:15:01] } 30... Qc8 { [%eval 3.9] [%clk 0:04:32] } 31. Kg2 { [%eval 4.05] [%clk 0:14:56] } 31... Rf6 { [%eval 3.74] [%clk 0:01:18] } 32. Rf1 { [%eval 3.66] [%clk 0:08:31] } 32... Qg4?! { [%eval 4.92] } { Inaccuracy. Rf4 was best. } { [%clk 0:01:05] } 33. Nxd4 { [%eval 4.78] [%clk 0:08:25] } 33... Nf3 { [%eval 5.55] [%clk 0:00:43] } 34. Nxf3 { [%eval 5.42] [%clk 0:08:25] } 34... Qxf3+ { [%eval 5.4] [%clk 0:01:10] } 35. Kg1 { [%eval 5.21] [%clk 0:07:19] } 35... Qg4 { [%eval 6.01] [%clk 0:01:13] } 36. e5 { [%eval 5.82] [%clk 0:05:17] } 36... Rf3 { [%eval 6.72] [%clk 0:00:40] } 37. Be2 { [%eval 5.29] [%clk 0:05:31] } 1-0