Event: 2025 Oceania Zonal 3.6
Site: Melbourne, Australia
Date: 2025-01-27
White: Cheng, Chao Xin
WhiteTitle: WCM
WhiteElo: 1833
Black: Yin, Grace (Tingwen)
BlackElo: 1670
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 1:30.00 + 30 seconds increment from move 1

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:25] } 2. Nf3 { [%eval 0.2] [%clk 1:31:13] } 2... d6 { [%eval 0.22] [%clk 1:30:36] } 3. d4 { [%eval 0.22] [%clk 1:31:31] } 3... cxd4 { [%eval 0.19] [%clk 1:31:00] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:56] } 4... Nf6 { [%eval 0.25] [%clk 1:31:25] } 5. Nc3 { [%eval 0.32] [%clk 1:32:18] } 5... a6 { [%eval 0.32] [%clk 1:31:49] } 6. f3 { [%eval 0.13] [%clk 1:32:32] } 6... e5 { [%eval 0.4] [%clk 1:32:04] } 7. Nb3 { [%eval 0.24] [%clk 1:32:49] } 7... Be6 { [%eval 0.25] [%clk 1:29:02] } 8. Be3 { [%eval 0.33] [%clk 1:33:07] } 8... Be7 { [%eval 0.45] [%clk 1:29:15] } 9. Qd2 { [%eval 0.45] [%clk 1:33:29] } 9... O-O { [%eval 0.41] [%clk 1:29:29] } 10. O-O-O { [%eval 0.38] [%clk 1:33:50] } 10... Nbd7 { [%eval 0.35] [%clk 1:29:44] } 11. g4 { [%eval 0.35] [%clk 1:32:38] } 11... b5 { [%eval 0.42] [%clk 1:29:45] } 12. a3 { [%eval 0.33] [%clk 1:29:15] } 12... Nb6 { [%eval 0.42] [%clk 1:07:41] } 13. Na5 { [%eval 0.37] [%clk 1:19:10] } 13... Qc7 { [%eval 0.47] [%clk 1:01:10] } 14. g5 { [%eval 0.59] [%clk 1:13:40] } 14... Nh5 { [%eval 0.48] [%clk 0:57:42] } 15. Qe1?? { [%eval -1.5] } { Blunder. h4 was best. } { [%clk 1:03:01] } 15... Bd8?! { [%eval -0.46] } { Inaccuracy. Rfc8 was best. } { [%clk 0:47:53] } 16. Nb3?! { [%eval -1.11] } { Inaccuracy. Rd3 was best. } { [%clk 0:50:45] } 16... Nc4 { [%eval -1.07] [%clk 0:41:23] } 17. Kb1 { [%eval -0.93] [%clk 0:49:09] } 17... Nxe3?! { [%eval -0.36] } { Inaccuracy. Qb7 was best. } { [%clk 0:38:50] } 18. Qxe3 { [%eval -0.56] [%clk 0:49:30] } 18... Nf4 { [%eval -0.54] [%clk 0:35:27] } 19. h4 { [%eval -0.44] [%clk 0:47:53] } 19... Be7 { [%eval -0.34] [%clk 0:28:56] } 20. Nd5 { [%eval -0.34] [%clk 0:43:49] } 20... Bxd5 { [%eval -0.26] [%clk 0:29:02] } 21. exd5 { [%eval -0.35] [%clk 0:41:14] } 21... Qb7?! { [%eval 0.47] } { Inaccuracy. Rac8 was best. } { [%clk 0:19:39] } 22. Qe4 { [%eval 0.0] [%clk 0:33:21] } 22... a5 { [%eval 0.12] [%clk 0:19:12] } 23. Nd4 { [%eval 0.15] [%clk 0:26:16] } 23... exd4? { [%eval 1.69] } { Mistake. b4 was best. } { [%clk 0:12:54] } 24. Qxf4 { [%eval 1.73] [%clk 0:26:37] } 24... Qxd5?! { [%eval 2.53] } { Inaccuracy. b4 was best. } { [%clk 0:10:46] } 25. Rxd4 { [%eval 2.45] [%clk 0:26:15] } 25... Qb7 { [%eval 2.93] [%clk 0:07:47] } 26. Bd3 { [%eval 2.92] [%clk 0:25:53] } 26... Rab8 { [%eval 3.51] [%clk 0:03:47] } 27. h5 { [%eval 3.49] [%clk 0:23:41] } 27... b4? { [%eval 5.55] } { Mistake. f5 was best. } { [%clk 0:01:41] } 28. Qf5 { [%eval 5.58] [%clk 0:21:50] } 28... g6 { [%eval 5.54] [%clk 0:01:52] } 29. hxg6 { [%eval 5.35] [%clk 0:21:44] } 29... fxg6?? { [%eval #9] } { Checkmate is now unavoidable. bxa3 was best. } { [%clk 0:01:54] } 30. Bc4+ { [%eval #8] [%clk 0:19:48] } 30... Kg7 { [%eval #3] [%clk 0:01:33] } 31. Rxh7+ { [%eval #2] [%clk 0:20:03] } 31... Kxh7 { [%eval #2] [%clk 0:01:55] } 32. Qh3+ { [%eval #1] [%clk 0:20:27] } 32... Kg7 { [%eval #1] [%clk 0:01:46] } 33. Qh6# { [%clk 0:20:52] } 1-0