Event: 2025 Sydney International Open Blitz
White: Ong, Jonathan Si Seng
WhiteElo: 1892
Black: Smirnov, Anton
BlackTitle: GM
BlackElo: 2642
Result: 0-1
ECO: B00
Opening: Nimzowitsch Defense: Scandinavian Variation, Exchange Variation
Variant: Standard
TimeControl: 3+2

1. e4 { [%eval 0.18] [%clk 0:03:03] } 1... Nc6 { [%eval 0.3] [%clk 0:03:02] } 2. d4 { [%eval 0.25] [%clk 0:03:04] } 2... d5 { [%eval 0.31] [%clk 0:03:03] } 3. exd5 { [%eval 0.21] [%clk 0:03:02] } 3... Qxd5 { [%eval 0.2] [%clk 0:03:04] } 4. Nf3 { [%eval 0.16] [%clk 0:03:03] } 4... Bg4 { [%eval 0.28] [%clk 0:03:04] } 5. Be2 { [%eval 0.05] [%clk 0:03:01] } 5... O-O-O { [%eval 0.12] [%clk 0:03:04] } 6. c3 { [%eval 0.0] [%clk 0:03:02] } 6... Nf6 { [%eval 0.23] [%clk 0:03:04] } 7. Be3 { [%eval -0.07] [%clk 0:03:01] } 7... Qh5?! { [%eval 0.65] } { Inaccuracy. e5 was best. } { [%clk 0:03:03] } 8. h3 { [%eval 0.99] [%clk 0:03:01] } 8... e5 { [%eval 0.75] [%clk 0:02:55] } 9. Nbd2?! { [%eval -0.06] } { Inaccuracy. O-O was best. } { [%clk 0:02:46] } 9... exd4 { [%eval -0.12] [%clk 0:02:53] } 10. cxd4 { [%eval -0.04] [%clk 0:02:46] } 10... Bd6?! { [%eval 1.03] } { Inaccuracy. Bxf3 was best. } { [%clk 0:02:47] } 11. Rc1 { [%eval 1.2] [%clk 0:02:42] } 11... Rhe8 { [%eval 1.51] [%clk 0:02:45] } 12. a3?? { [%eval -1.28] } { Blunder. O-O was best. } { [%clk 0:02:21] } 12... Ne7?? { [%eval 0.39] } { Blunder. Nd5 was best. } { [%clk 0:02:34] } 13. Qa4? { [%eval -0.86] } { Mistake. Nc4 was best. } { [%clk 0:02:16] } 13... Kb8 { [%eval -0.69] [%clk 0:02:31] } 14. Nc4? { [%eval -1.93] } { Mistake. Bb5 was best. } { [%clk 0:01:52] } 14... Ned5 { [%eval -1.83] [%clk 0:02:30] } 15. Nxd6 { [%eval -2.14] [%clk 0:01:45] } 15... Rxd6 { [%eval -2.21] [%clk 0:02:30] } 16. Qc4?? { [%eval -5.27] } { Blunder. Rc5 was best. } { [%clk 0:01:23] } 16... Rc6 { [%eval -5.23] [%clk 0:02:27] } 17. Qd3 { [%eval -6.62] [%clk 0:01:18] } 17... Rxe3 { [%eval -6.47] [%clk 0:02:26] } 18. fxe3 { [%eval -6.45] [%clk 0:01:15] } 18... Rxc1+ { [%eval -6.39] [%clk 0:02:26] } 19. Kd2 { [%eval -7.49] [%clk 0:01:14] } 19... Rxh1 { [%eval -7.52] [%clk 0:02:26] } 20. hxg4 { [%eval -7.43] [%clk 0:01:14] } 20... Qxg4 { [%eval -7.34] [%clk 0:02:26] } 21. Ne1 { [%eval -7.45] [%clk 0:00:53] } 21... Ne4+ { [%eval -7.52] [%clk 0:02:25] } 22. Kc2 { [%eval -7.51] [%clk 0:00:50] } 22... Qe6 { [%eval -7.46] [%clk 0:02:25] } 23. Nf3 { [%eval -7.36] [%clk 0:00:43] } 23... Qc6+ { [%eval -7.11] [%clk 0:02:25] } 24. Kb3 { [%eval -7.05] [%clk 0:00:42] } 24... Nb6 { [%eval -6.82] [%clk 0:02:23] } 25. Ne5 { [%eval -8.84] [%clk 0:00:38] } 25... Qa4+ { [%eval -8.74] [%clk 0:02:21] } 26. Ka2 { [%eval -8.72] [%clk 0:00:39] } 26... Nd5 { [%eval -8.49] [%clk 0:02:22] } 27. Qb3? { [%eval #-11] } { Checkmate is now unavoidable. Nc6+ was best. } { [%clk 0:00:26] } 27... Ra1+ { [%eval #-10] [%clk 0:02:20] } 28. Kxa1 { [%eval -9.33] [%clk 0:00:25] } 28... Qxb3 { [%eval #-9] [%clk 0:02:20] } 29. Nd7+ { [%eval #-9] [%clk 0:00:23] } 29... Ka8 { [%eval #-8] [%clk 0:02:21] } 30. Nc5 { [%eval #-8] [%clk 0:00:21] } 30... Nxc5 { [%eval #-7] [%clk 0:02:18] } 31. dxc5 { [%eval #-7] [%clk 0:00:21] } 31... Nxe3 { [%eval #-6] [%clk 0:02:19] } 32. g4 { [%eval #-6] [%clk 0:00:18] } 32... Nc2+ { [%eval #-5] [%clk 0:02:19] } 33. Kb1 { [%eval #-5] [%clk 0:00:19] } 33... Nxa3+ { [%eval #-4] [%clk 0:02:20] } 34. Ka1 { [%eval #-4] [%clk 0:00:20] } 34... Nc2+ { [%eval #-3] [%clk 0:02:20] } 35. Kb1 { [%eval #-3] [%clk 0:00:21] } 35... Nb4 { [%eval #-2] [%clk 0:02:21] } 36. Bb5 { [%clk 0:00:08] } 36... Qd1# { [%clk 0:02:18] } 0-1