Event: 2025 O2C Doeberl Cup Premier
Site: Canberra, Australia
Date: 2025-04-19
White: Das, Sayantan
WhiteTitle: GM
WhiteElo: 2416
Black: Zhao, Zong-Yuan
BlackTitle: GM
BlackElo: 2462
Result: 1/2-1/2
ECO: C65
Opening: Ruy Lopez: Berlin Defense
Variant: Standard
TimeControl: 90 minutes + 30 seconds per move from move 1

1. e4 { [%eval 0.18] [%clk 1:29:09] } 1... e5 { [%eval 0.21] [%clk 1:24:24] } 2. Nf3 { [%eval 0.13] [%clk 1:28:21] } 2... Nc6 { [%eval 0.21] [%clk 1:24:23] } 3. Bb5 { [%eval 0.15] [%clk 1:27:54] } 3... Nf6 { [%eval 0.17] [%clk 1:24:45] } 4. d3 { [%eval 0.07] [%clk 1:26:54] } 4... Bc5 { [%eval 0.13] [%clk 1:24:50] } 5. Bxc6 { [%eval 0.03] [%clk 1:25:48] } 5... dxc6 { [%eval 0.06] [%clk 1:25:14] } 6. Bg5 { [%eval -0.15] [%clk 1:26:01] } 6... h6 { [%eval 0.0] [%clk 1:16:14] } 7. Bh4 { [%eval 0.0] [%clk 1:26:16] } 7... Qe7 { [%eval 0.13] [%clk 1:11:48] } 8. Nbd2 { [%eval 0.21] [%clk 1:25:13] } 8... Bd6 { [%eval 0.32] [%clk 1:04:17] } 9. Bg3 { [%eval -0.18] [%clk 1:17:12] } 9... Bg4 { [%eval 0.14] [%clk 0:55:23] } 10. h3 { [%eval 0.07] [%clk 1:15:25] } 10... Bh5 { [%eval 0.17] [%clk 0:55:20] } 11. Qe2?! { [%eval -0.4] } { Inaccuracy. O-O was best. } { [%clk 1:05:13] } 11... O-O-O { [%eval -0.05] [%clk 0:47:11] } 12. Bh2 { [%eval -0.35] [%clk 1:01:30] } 12... g5 { [%eval -0.19] [%clk 0:44:06] } 13. Nc4 { [%eval -0.22] [%clk 0:54:06] } 13... Nd7 { [%eval -0.16] [%clk 0:42:47] } 14. O-O-O { [%eval -0.22] [%clk 0:50:40] } 14... f6 { [%eval -0.11] [%clk 0:32:44] } 15. Kb1?! { [%eval -0.73] } { Inaccuracy. d4 was best. } { [%clk 0:45:59] } 15... Nc5 { [%eval -0.27] [%clk 0:26:26] } 16. Ne3?! { [%eval -1.09] } { Inaccuracy. d4 was best. } { [%clk 0:41:08] } 16... Qe6?! { [%eval -0.3] } { Inaccuracy. Na4 was best. } { [%clk 0:21:29] } 17. b3 { [%eval -0.64] [%clk 0:34:26] } 17... a5 { [%eval -0.21] [%clk 0:20:44] } 18. Nf5 { [%eval -0.1] [%clk 0:27:39] } 18... Bg6 { [%eval -0.09] [%clk 0:18:13] } 19. g4 { [%eval -0.1] [%clk 0:25:48] } 19... h5 { [%eval -0.06] [%clk 0:13:07] } 20. d4 { [%eval 0.0] [%clk 0:15:47] } 20... exd4 { [%eval -0.03] [%clk 0:08:35] } 21. N3xd4 { [%eval 0.0] [%clk 0:12:24] } 21... Qxe4 { [%eval 0.0] [%clk 0:04:27] } 22. Nxd6+ { [%eval -0.07] [%clk 0:01:48] } 22... cxd6 { [%eval -0.05] [%clk 0:04:29] } 23. Qd2 { [%eval -0.05] [%clk 0:02:12] } 23... Qd5 { [%eval 0.0] [%clk 0:01:34] } 24. f3? { [%eval -1.53] } { Mistake. Qxa5 was best. } { [%clk 0:02:06] } 24... Nd7? { [%eval -0.06] } { Mistake. hxg4 was best. } { [%clk 0:01:13] } 25. Qc1 { [%eval -0.11] [%clk 0:00:33] } 25... Ne5 { [%eval -0.17] [%clk 0:01:11] } 26. Qa3 { [%eval -0.14] [%clk 0:00:41] } 26... Qc5 { [%eval 0.0] [%clk 0:01:11] } 27. Qxc5 { [%eval 0.0] [%clk 0:00:42] } 27... dxc5 { [%eval 0.0] [%clk 0:01:41] } 28. Bxe5 { [%eval 0.0] [%clk 0:01:04] } 28... fxe5 { [%eval 0.0] [%clk 0:01:46] } 29. Ne6 { [%eval 0.0] [%clk 0:01:28] } 29... Rdg8 { [%eval 0.0] [%clk 0:00:33] } 30. Nxc5 { [%eval 0.07] [%clk 0:01:16] } 30... Rf8 { [%eval 0.12] [%clk 0:00:33] } 31. Nd7 { [%eval 0.0] [%clk 0:01:11] } 31... Rxf3 { [%eval 0.0] [%clk 0:00:37] } 32. Nxe5 { [%eval 0.01] [%clk 0:01:35] } 32... Rf6 { [%eval 0.17] [%clk 0:00:50] } 1/2-1/2