Event: 2025 SIO Challengers
White: Wong, Benjamin
WhiteElo: 1660
Black: Balanandan Ayyappan
BlackElo: 1948
Result: 0-1
ECO: A37
Opening: English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:30:57] } 1... c5 { [%eval 0.19] [%clk 1:30:33] } 2. g3 { [%eval 0.07] [%clk 1:31:19] } 2... g6 { [%eval 0.18] [%clk 1:30:43] } 3. Bg2 { [%eval 0.1] [%clk 1:31:40] } 3... Bg7 { [%eval 0.17] [%clk 1:31:05] } 4. Nc3 { [%eval 0.11] [%clk 1:32:00] } 4... Nc6 { [%eval 0.14] [%clk 1:31:29] } 5. Nf3 { [%eval 0.06] [%clk 1:30:37] } 5... d6 { [%eval 0.14] [%clk 1:31:28] } 6. O-O { [%eval 0.06] [%clk 1:22:06] } 6... e6 { [%eval 0.32] [%clk 1:31:10] } 7. e3 { [%eval 0.3] [%clk 1:18:28] } 7... Nge7 { [%eval 0.24] [%clk 1:27:54] } 8. d4 { [%eval 0.21] [%clk 1:07:18] } 8... cxd4 { [%eval 0.27] [%clk 1:16:50] } 9. Nxd4 { [%eval 0.26] [%clk 0:53:50] } 9... Nxd4 { [%eval 0.31] [%clk 1:16:40] } 10. exd4 { [%eval 0.39] [%clk 0:54:10] } 10... O-O { [%eval 0.41] [%clk 1:17:00] } 11. d5 { [%eval 0.41] [%clk 0:49:33] } 11... e5 { [%eval 0.48] [%clk 1:04:34] } 12. Ne4 { [%eval 0.28] [%clk 0:42:34] } 12... h6 { [%eval 0.17] [%clk 0:45:46] } 13. b3 { [%eval -0.17] [%clk 0:38:26] } 13... f5 { [%eval -0.36] [%clk 0:45:11] } 14. Nc3 { [%eval -0.24] [%clk 0:38:33] } 14... Bd7 { [%eval 0.1] [%clk 0:40:15] } 15. Ba3 { [%eval 0.08] [%clk 0:30:21] } 15... Nc8?! { [%eval 0.64] } { Inaccuracy. e4 was best. } { [%clk 0:40:35] } 16. Qc2 { [%eval 0.39] [%clk 0:28:33] } 16... Qf6 { [%eval 0.44] [%clk 0:38:26] } 17. Rae1 { [%eval 0.21] [%clk 0:26:05] } 17... h5 { [%eval 0.51] [%clk 0:34:35] } 18. h4 { [%eval 0.34] [%clk 0:26:08] } 18... g5 { [%eval 0.49] [%clk 0:34:25] } 19. hxg5 { [%eval 0.46] [%clk 0:24:09] } 19... Qxg5 { [%eval 0.33] [%clk 0:34:15] } 20. Qd3?! { [%eval -0.34] } { Inaccuracy. Qd1 was best. } { [%clk 0:15:55] } 20... Qf6?! { [%eval 0.28] } { Inaccuracy. e4 was best. } { [%clk 0:30:09] } 21. Qd1 { [%eval 0.3] [%clk 0:11:38] } 21... Be8 { [%eval 0.57] [%clk 0:26:54] } 22. b4?! { [%eval -0.39] } { Inaccuracy. Nb5 was best. } { [%clk 0:08:37] } 22... a5 { [%eval -0.12] [%clk 0:26:26] } 23. c5 { [%eval -0.45] [%clk 0:06:18] } 23... axb4 { [%eval -0.17] [%clk 0:26:29] } 24. Bxb4 { [%eval -0.2] [%clk 0:06:40] } 24... dxc5 { [%eval -0.12] [%clk 0:26:43] } 25. Bxc5 { [%eval -0.17] [%clk 0:07:04] } 25... Nd6 { [%eval -0.27] [%clk 0:27:10] } 26. f4? { [%eval -1.85] } { Mistake. a4 was best. } { [%clk 0:02:04] } 26... e4 { [%eval -1.74] [%clk 0:24:21] } 27. Bxe4?? { [%eval -4.47] } { Blunder. Ne2 was best. } { [%clk 0:01:18] } 27... Qxc3 { [%eval -4.51] [%clk 0:21:35] } 28. Bxd6 { [%eval -4.54] [%clk 0:01:34] } 28... fxe4 { [%eval -4.6] [%clk 0:16:45] } 29. Bxf8?? { [%eval #-14] } { Checkmate is now unavoidable. Re2 was best. } { [%clk 0:00:41] } 29... Qxg3+ { [%eval #-13] [%clk 0:17:04] } 30. Kh1 { [%eval #-13] [%clk 0:01:00] } 30... Rxa2 { [%eval #-12] [%clk 0:17:20] } 31. Re2 { [%eval #-12] [%clk 0:01:14] } 31... Qh3+ { [%eval #-11] [%clk 0:17:21] } 32. Kg1 { [%eval #-11] [%clk 0:01:36] } 32... Rxe2 { [%eval #-12] [%clk 0:17:19] } 33. Qxe2 { [%eval #-12] [%clk 0:01:58] } 33... Bd4+ { [%eval #-11] [%clk 0:17:26] } 34. Rf2 { [%eval #-11] [%clk 0:02:02] } 34... Qg3+ { [%eval #-10] [%clk 0:17:22] } 35. Kh1 { [%eval #-10] [%clk 0:01:48] } 35... Bxf2 { [%eval #-9] [%clk 0:17:39] } 0-1