Event: 2025 O2C Doeberl Cup Premier
Site: Canberra, Australia
Date: 2025-04-17
White: Leong, Benjamin
WhiteTitle: CM
WhiteElo: 2104
Black: Mitrabha, Guha
BlackTitle: GM
BlackElo: 2505
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Closed, Traditional
Variant: Standard
TimeControl: 90 minutes + 30 seconds per move from move 1

1. e4 { [%eval 0.18] [%clk 1:30:52] } 1... c5 { [%eval 0.25] [%clk 1:17:12] } 2. Nc3 { [%eval 0.26] [%clk 1:30:56] } 2... Nc6 { [%eval 0.16] [%clk 1:17:36] } 3. Bb5 { [%eval 0.0] [%clk 1:31:09] } 3... Nd4 { [%eval 0.0] [%clk 1:18:00] } 4. Nf3 { [%eval 0.0] [%clk 1:31:33] } 4... a6 { [%eval 0.0] [%clk 1:18:23] } 5. Bd3 { [%eval 0.0] [%clk 1:31:27] } 5... g6 { [%eval 0.0] [%clk 1:18:32] } 6. Nxd4 { [%eval 0.0] [%clk 1:31:48] } 6... cxd4 { [%eval 0.0] [%clk 1:19:00] } 7. Ne2 { [%eval 0.0] [%clk 1:32:09] } 7... Bg7 { [%eval 0.1] [%clk 1:19:27] } 8. c3 { [%eval 0.0] [%clk 1:32:08] } 8... dxc3 { [%eval 0.19] [%clk 1:19:47] } 9. dxc3 { [%eval 0.16] [%clk 1:32:26] } 9... Nf6 { [%eval 0.19] [%clk 1:18:54] } 10. O-O { [%eval 0.19] [%clk 1:32:13] } 10... O-O { [%eval 0.18] [%clk 1:18:54] } 11. a4 { [%eval 0.11] [%clk 1:30:43] } 11... d6 { [%eval 0.11] [%clk 1:16:34] } 12. a5 { [%eval -0.2] [%clk 1:29:30] } 12... Ng4?! { [%eval 0.52] } { Inaccuracy. b6 was best. } { [%clk 1:16:17] } 13. h3 { [%eval 0.26] [%clk 1:25:11] } 13... Ne5 { [%eval 0.25] [%clk 1:16:42] } 14. Be3 { [%eval 0.22] [%clk 1:24:56] } 14... Be6 { [%eval 0.35] [%clk 1:10:45] } 15. Bd4 { [%eval 0.12] [%clk 1:21:40] } 15... Qc8 { [%eval 0.36] [%clk 1:09:59] } 16. Ra4 { [%eval -0.02] [%clk 1:12:54] } 16... Bd7 { [%eval 0.0] [%clk 1:05:37] } 17. Ra2?! { [%eval -0.91] } { Inaccuracy. Rb4 was best. } { [%clk 1:13:18] } 17... Nxd3 { [%eval -0.89] [%clk 1:05:36] } 18. Bxg7 { [%eval -1.27] [%clk 1:13:29] } 18... Kxg7? { [%eval -0.09] } { Mistake. Nxf2 was best. } { [%clk 1:04:09] } 19. Qxd3 { [%eval -0.12] [%clk 1:13:51] } 19... Bb5 { [%eval -0.24] [%clk 1:04:37] } 20. Qc2 { [%eval -0.17] [%clk 1:09:30] } 20... f5 { [%eval 0.0] [%clk 1:00:36] } 21. Re1 { [%eval 0.02] [%clk 1:05:55] } 21... fxe4 { [%eval 0.08] [%clk 0:58:33] } 22. Qxe4 { [%eval 0.05] [%clk 1:05:58] } 22... e5 { [%eval 0.25] [%clk 0:59:01] } 23. b3 { [%eval 0.29] [%clk 1:02:13] } 23... Qc7 { [%eval 0.44] [%clk 0:52:56] } 24. c4 { [%eval 0.42] [%clk 1:00:35] } 24... Bc6 { [%eval 0.5] [%clk 0:53:22] } 25. Qe3 { [%eval 0.43] [%clk 1:00:55] } 25... Rf6?! { [%eval 1.05] } { Inaccuracy. d5 was best. } { [%clk 0:52:03] } 26. Nc3 { [%eval 1.09] [%clk 1:01:06] } 26... Raf8 { [%eval 1.09] [%clk 0:50:24] } 27. Rd1 { [%eval 1.0] [%clk 0:56:50] } 27... Rf5 { [%eval 0.99] [%clk 0:39:51] } 28. Nd5 { [%eval 1.16] [%clk 0:55:44] } 28... Qd8 { [%eval 0.92] [%clk 0:40:04] } 29. Qb6?! { [%eval 0.34] } { Inaccuracy. Rd3 was best. } { [%clk 0:49:19] } 29... Qh4 { [%eval 0.39] [%clk 0:39:12] } 30. Qc7+ { [%eval 0.0] [%clk 0:44:45] } 30... R8f7 { [%eval 0.0] [%clk 0:38:43] } 31. Qxd6 { [%eval 0.0] [%clk 0:45:05] } 31... Rg5 { [%eval -0.14] [%clk 0:39:06] } 32. f4?? { [%eval -2.62] } { Blunder. Kh2 was best. } { [%clk 0:21:15] } 32... exf4 { [%eval -2.42] [%clk 0:37:30] } 33. Nc7? { [%eval -4.56] } { Mistake. Qe6 was best. } { [%clk 0:20:54] } 33... Kh6 { [%eval -4.06] [%clk 0:34:17] } 34. Ne6 { [%eval -4.48] [%clk 0:19:28] } 34... Rxg2+?? { [%eval -2.12] } { Blunder. Rg3 was best. } { [%clk 0:32:33] } 35. Rxg2 { [%eval -2.17] [%clk 0:19:52] } 35... Bxg2 { [%eval -1.87] [%clk 0:33:01] } 36. Qd8?? { [%eval -4.78] } { Blunder. Kxg2 was best. } { [%clk 0:09:11] } 36... Qg3 { [%eval -4.33] [%clk 0:31:24] } 37. Qg5+ { [%eval -4.99] [%clk 0:09:34] } 37... Qxg5 { [%eval -4.93] [%clk 0:31:52] } 38. Nxg5 { [%eval -4.86] [%clk 0:09:57] } 38... Kxg5 { [%eval -4.83] [%clk 0:32:20] } 39. Kxg2 { [%eval -5.05] [%clk 0:10:19] } 39... Kh4 { [%eval -5.14] [%clk 0:32:16] } 40. b4 { [%eval -4.85] [%clk 0:08:02] } 40... Rc7 { [%eval -5.0] [%clk 0:30:22] } 41. c5 { [%eval -4.98] [%clk 0:07:27] } 41... g5 { [%eval -5.26] [%clk 0:30:42] } 42. Rd6 { [%eval -5.36] [%clk 0:06:21] } 42... h5 { [%eval -5.1] [%clk 0:31:10] } 43. Rf6 { [%eval -5.54] [%clk 0:06:40] } 43... Rd7 { [%eval -5.23] [%clk 0:31:27] } 44. c6 { [%eval -6.62] [%clk 0:06:59] } 44... bxc6 { [%eval -6.7] [%clk 0:31:53] } 45. Rxc6 { [%eval -6.75] [%clk 0:07:26] } 45... Rd2+ { [%eval -6.44] [%clk 0:32:10] } 46. Kf1 { [%eval -7.53] [%clk 0:07:49] } 46... f3 { [%eval -7.23] [%clk 0:31:36] } 47. Ke1 { [%eval -7.33] [%clk 0:07:23] } 47... Re2+ { [%eval -7.26] [%clk 0:32:04] } 48. Kd1 { [%eval -7.1] [%clk 0:07:47] } 48... Re4 { [%eval -7.02] [%clk 0:32:14] } 49. Rxa6? { [%eval #-22] } { Checkmate is now unavoidable. Rf6 was best. } { [%clk 0:07:53] } 49... f2 { [%eval #-21] [%clk 0:32:33] } 50. Rf6 { [%eval #-22] [%clk 0:07:48] } 50... Re1+ { [%eval #-22] [%clk 0:32:51] } 51. Kd2 { [%eval -12.86] [%clk 0:08:08] } 51... f1=Q { [%eval #-18] [%clk 0:33:16] } 52. Rxf1 { [%eval #-19] [%clk 0:08:33] } 52... Rxf1 { [%eval -68.81] [%clk 0:33:45] } 53. b5?! { [%eval #-18] } { Checkmate is now unavoidable. Kc2 was best. } { [%clk 0:08:56] } 53... Rf5 { [%eval -13.45] [%clk 0:34:09] } 0-1