Event: 2025 O2C Doeberl Cup Premier
Site: Canberra, Australia
Date: 2025-04-21
White: Dai, Cheng
WhiteTitle: FM
WhiteElo: 2118
Black: Das, Arghyadip
BlackTitle: IM
BlackElo: 2345
Result: 0-1
ECO: A40
Opening: Horwitz Defense
Variant: Standard
TimeControl: 90 minutes + 30 seconds per move from move 1

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... e6 { [%eval 0.37] [%clk 1:30:57] } 2. Nf3 { [%eval 0.13] [%clk 1:31:15] } 2... c5 { [%eval 0.28] [%clk 1:31:24] } 3. e3 { [%eval 0.06] [%clk 1:31:29] } 3... Nf6 { [%eval 0.2] [%clk 1:31:47] } 4. Nbd2 { [%eval 0.0] [%clk 1:31:36] } 4... b6 { [%eval 0.09] [%clk 1:30:30] } 5. c3 { [%eval -0.02] [%clk 1:30:58] } 5... Bb7 { [%eval -0.01] [%clk 1:30:26] } 6. Bd3 { [%eval -0.08] [%clk 1:30:40] } 6... cxd4 { [%eval 0.12] [%clk 1:30:18] } 7. exd4 { [%eval 0.05] [%clk 1:30:42] } 7... Be7 { [%eval 0.09] [%clk 1:30:09] } 8. O-O { [%eval 0.26] [%clk 1:30:25] } 8... O-O { [%eval 0.24] [%clk 1:29:46] } 9. Re1 { [%eval 0.21] [%clk 1:30:14] } 9... d6 { [%eval 0.29] [%clk 1:30:02] } 10. a4 { [%eval 0.2] [%clk 1:26:00] } 10... a6 { [%eval 0.35] [%clk 1:30:02] } 11. Nf1 { [%eval 0.3] [%clk 1:23:05] } 11... Nbd7 { [%eval 0.23] [%clk 1:30:20] } 12. Ng3 { [%eval 0.24] [%clk 1:22:15] } 12... Re8 { [%eval 0.16] [%clk 1:30:15] } 13. Bf4 { [%eval 0.03] [%clk 1:20:54] } 13... Nf8 { [%eval 0.2] [%clk 1:20:05] } 14. Bg5 { [%eval 0.24] [%clk 1:19:30] } 14... Qc7 { [%eval 0.27] [%clk 1:14:38] } 15. h4 { [%eval 0.24] [%clk 1:10:55] } 15... Bc6 { [%eval 0.52] [%clk 1:09:11] } 16. Bxf6?! { [%eval -0.03] } { Inaccuracy. c4 was best. } { [%clk 1:05:50] } 16... Bxf6 { [%eval -0.02] [%clk 1:08:29] } 17. Be4 { [%eval -0.13] [%clk 1:05:40] } 17... g6 { [%eval 0.22] [%clk 1:01:46] } 18. Bxc6 { [%eval 0.21] [%clk 1:01:34] } 18... Qxc6 { [%eval 0.26] [%clk 1:02:15] } 19. Re4 { [%eval 0.0] [%clk 1:00:25] } 19... Nd7 { [%eval -0.06] [%clk 0:58:55] } 20. h5 { [%eval -0.08] [%clk 0:56:54] } 20... Bg7 { [%eval -0.01] [%clk 0:55:35] } 21. Qd2 { [%eval -0.05] [%clk 0:55:49] } 21... Nf6 { [%eval 0.1] [%clk 0:55:09] } 22. Rh4 { [%eval -0.37] [%clk 0:54:45] } 22... b5 { [%eval -0.33] [%clk 0:52:57] } 23. axb5 { [%eval -0.27] [%clk 0:50:33] } 23... axb5 { [%eval -0.34] [%clk 0:53:15] } 24. Re1 { [%eval -0.23] [%clk 0:49:46] } 24... Qd5 { [%eval -0.07] [%clk 0:49:49] } 25. hxg6 { [%eval -0.17] [%clk 0:45:21] } 25... hxg6 { [%eval -0.12] [%clk 0:50:08] } 26. Ne4 { [%eval -0.45] [%clk 0:42:51] } 26... Nxe4 { [%eval -0.49] [%clk 0:38:07] } 27. Rexe4 { [%eval -0.55] [%clk 0:36:35] } 27... Ra1+ { [%eval -0.5] [%clk 0:35:55] } 28. Re1 { [%eval -0.75] [%clk 0:34:30] } 28... Rea8 { [%eval -0.73] [%clk 0:33:24] } 29. Rxa1 { [%eval -0.9] [%clk 0:31:36] } 29... Rxa1+ { [%eval -1.23] [%clk 0:33:52] } 30. Kh2 { [%eval -1.09] [%clk 0:31:58] } 30... Qf5?! { [%eval -0.53] } { Inaccuracy. Bf6 was best. } { [%clk 0:28:55] } 31. Rf4 { [%eval -0.69] [%clk 0:26:16] } 31... Qd5 { [%eval -0.69] [%clk 0:20:10] } 32. Rh4 { [%eval -1.18] [%clk 0:24:10] } 32... Bf6 { [%eval -1.07] [%clk 0:19:39] } 33. Rh3 { [%eval -0.91] [%clk 0:22:01] } 33... Qf5 { [%eval -1.02] [%clk 0:18:59] } 34. Qh6 { [%eval -1.52] [%clk 0:15:34] } 34... Rf1?! { [%eval -0.92] } { Inaccuracy. Rb1 was best. } { [%clk 0:16:09] } 35. Qd2?! { [%eval -1.58] } { Inaccuracy. Qh7+ was best. } { [%clk 0:10:03] } 35... g5?! { [%eval -0.56] } { Inaccuracy. Rb1 was best. } { [%clk 0:14:06] } 36. Qe2 { [%eval -0.69] [%clk 0:06:17] } 36... Ra1 { [%eval -0.39] [%clk 0:10:57] } 37. Rg3?! { [%eval -1.31] } { Inaccuracy. g4 was best. } { [%clk 0:03:53] } 37... Qh7+?! { [%eval -0.33] } { Inaccuracy. Kf8 was best. } { [%clk 0:05:58] } 38. Rh3 { [%eval -0.56] [%clk 0:04:16] } 38... Qf5 { [%eval -0.75] [%clk 0:06:11] } 39. Rg3 { [%eval -1.02] [%clk 0:04:39] } 39... Kg7 { [%eval -1.08] [%clk 0:05:30] } 40. Nd2 { [%eval -1.22] [%clk 0:01:57] } 40... d5 { [%eval -1.0] [%clk 0:05:42] } 41. Qf3?? { [%eval -2.95] } { Blunder. Nf3 was best. } { [%clk 0:01:26] } 41... Qc2 { [%eval -2.76] [%clk 0:04:35] } 42. Qd3?! { [%eval -3.91] } { Inaccuracy. Qe3 was best. } { [%clk 0:01:06] } 42... Qxb2 { [%eval -4.03] [%clk 0:03:40] } 43. Rh3 { [%eval -3.93] [%clk 0:00:47] } 43... Qc1 { [%eval -4.11] [%clk 0:03:24] } 44. Nf3?! { [%eval -5.71] } { Inaccuracy. Nb3 was best. } { [%clk 0:00:40] } 44... g4 { [%eval -5.8] [%clk 0:01:59] } 45. Rh7+ { [%eval -5.6] [%clk 0:00:47] } 45... Kg8 { [%eval -5.47] [%clk 0:02:04] } 46. Rxf7?? { [%eval #-17] } { Checkmate is now unavoidable. Kg3 was best. } { [%clk 0:00:35] } 46... Qf4+ { [%eval #-16] [%clk 0:02:08] } 47. g3 { [%eval #-21] [%clk 0:00:49] } 47... Qh6+ { [%eval -10.66] [%clk 0:02:37] } 48. Nh4 { [%eval -9.87] [%clk 0:00:52] } 48... Kxf7 { [%eval -8.43] [%clk 0:03:05] } 0-1