Event: Round 4: O`brien, Jer - McGrath, Ethan
Date: 2025-07-29
White: O`brien, Jer
Black: McGrath, Ethan
BlackElo: 1766
Result: 0-1
ECO: B09
Opening: Pirc Defense: Austrian Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... d6 { [%eval 0.43] [%clk 1:30:43] } 2. d4 { [%eval 0.43] [%clk 1:31:02] } 2... Nf6 { [%eval 0.43] [%clk 1:30:36] } 3. Nc3 { [%eval 0.38] [%clk 1:31:07] } 3... g6 { [%eval 0.63] [%clk 1:30:43] } 4. f4 { [%eval 0.4] [%clk 1:31:05] } 4... Bg7 { [%eval 0.41] [%clk 1:30:55] } 5. Nf3 { [%eval 0.32] [%clk 1:30:49] } 5... c6 { [%eval 0.82] [%clk 1:26:33] } 6. Be3 { [%eval 0.48] [%clk 1:29:47] } 6... Qa5?! { [%eval 1.08] } { Inaccuracy. O-O was best. } { [%clk 1:14:46] } 7. Bd3 { [%eval 0.96] [%clk 1:28:54] } 7... Nbd7 { [%eval 1.15] [%clk 1:12:32] } 8. O-O { [%eval 1.1] [%clk 1:27:10] } 8... c5 { [%eval 0.97] [%clk 1:09:07] } 9. d5? { [%eval -0.41] } { Mistake. Qe1 was best. } { [%clk 1:20:10] } 9... Ng4 { [%eval -0.32] [%clk 1:00:56] } 10. Bd2 { [%eval -0.37] [%clk 1:18:38] } 10... c4 { [%eval -0.36] [%clk 0:59:50] } 11. Be2 { [%eval -0.31] [%clk 1:16:05] } 11... Qc5+ { [%eval -0.34] [%clk 0:57:25] } 12. Kh1 { [%eval -0.44] [%clk 1:14:57] } 12... Nf2+ { [%eval -0.42] [%clk 0:57:16] } 13. Rxf2 { [%eval -0.53] [%clk 1:15:14] } 13... Qxf2 { [%eval -0.53] [%clk 0:57:37] } 14. Bxc4 { [%eval -0.48] [%clk 1:08:15] } 14... Qc5?! { [%eval 0.21] } { Inaccuracy. Nb6 was best. } { [%clk 0:56:29] } 15. Bd3 { [%eval 0.18] [%clk 1:06:40] } 15... Nf6?! { [%eval 1.11] } { Inaccuracy. O-O was best. } { [%clk 0:54:05] } 16. Qe2? { [%eval -0.03] } { Mistake. h3 was best. } { [%clk 1:01:56] } 16... a6?! { [%eval 0.55] } { Inaccuracy. Bg4 was best. } { [%clk 0:51:10] } 17. Na4?! { [%eval -0.03] } { Inaccuracy. Be3 was best. } { [%clk 0:59:56] } 17... Qc7 { [%eval 0.0] [%clk 0:50:47] } 18. Be3 { [%eval -0.14] [%clk 0:58:09] } 18... b5 { [%eval 0.1] [%clk 0:50:35] } 19. Nb6 { [%eval 0.14] [%clk 0:57:47] } 19... Rb8 { [%eval 0.14] [%clk 0:50:39] } 20. Nxc8 { [%eval 0.2] [%clk 0:57:35] } 20... Rxc8 { [%eval 0.24] [%clk 0:50:35] } 21. a4 { [%eval 0.26] [%clk 0:52:47] } 21... bxa4 { [%eval 0.73] [%clk 0:41:34] } 22. Rxa4 { [%eval 0.64] [%clk 0:45:42] } 22... a5? { [%eval 1.95] } { Mistake. O-O was best. } { [%clk 0:41:03] } 23. Bb5+ { [%eval 1.91] [%clk 0:44:44] } 23... Nd7 { [%eval 2.17] [%clk 0:39:34] } 24. c3?? { [%eval 0.05] } { Blunder. b4 was best. } { [%clk 0:42:02] } 24... Ra8? { [%eval 1.42] } { Mistake. O-O was best. } { [%clk 0:34:52] } 25. Qf2? { [%eval 0.0] } { Mistake. Rc4 was best. } { [%clk 0:38:59] } 25... O-O { [%eval 0.0] [%clk 0:33:13] } 26. Bd4? { [%eval -1.23] } { Mistake. Bc6 was best. } { [%clk 0:35:49] } 26... Bxd4 { [%eval -1.31] [%clk 0:27:27] } 27. Qxd4 { [%eval -0.89] [%clk 0:36:13] } 27... Nc5 { [%eval -0.94] [%clk 0:27:29] } 28. Ra2 { [%eval -1.44] [%clk 0:31:23] } 28... Rfb8 { [%eval -1.05] [%clk 0:24:11] } 29. Bc6 { [%eval -1.62] [%clk 0:30:28] } 29... Ra6 { [%eval -1.47] [%clk 0:23:44] } 30. h4? { [%eval -2.89] } { Mistake. Nd2 was best. } { [%clk 0:23:46] } 30... Rab6 { [%eval -2.87] [%clk 0:19:34] } 31. c4 { [%eval -2.99] [%clk 0:23:11] } 31... Rb3 { [%eval -3.02] [%clk 0:18:52] } 32. e5 { [%eval -3.51] [%clk 0:19:26] } 32... Rd3 { [%eval -3.62] [%clk 0:16:59] } 33. Qf2 { [%eval -3.88] [%clk 0:19:30] } 33... Rbb3?! { [%eval -2.75] } { Inaccuracy. Ne4 was best. } { [%clk 0:15:17] } 34. Nd4?! { [%eval -4.3] } { Inaccuracy. Qe1 was best. } { [%clk 0:17:52] } 34... Rd1+ { [%eval -4.16] [%clk 0:13:47] } 35. Kh2 { [%eval -4.19] [%clk 0:18:05] } 35... Rbd3 { [%eval -3.98] [%clk 0:11:22] } 36. Nb5 { [%eval -4.41] [%clk 0:17:59] } 36... Qc8 { [%eval -4.11] [%clk 0:07:33] } 37. exd6 { [%eval -4.93] [%clk 0:15:26] } 37... exd6 { [%eval -4.5] [%clk 0:07:37] } 38. Qe2?? { [%eval #-8] } { Checkmate is now unavoidable. Nxd6 was best. } { [%clk 0:13:46] } 38... Qf5 { [%eval #-7] [%clk 0:07:05] } 39. Qf2 { [%eval #-6] [%clk 0:10:33] } 39... Ne4 { [%eval #-5] [%clk 0:06:59] } 40. Nxd6 { [%eval #-3] [%clk 0:05:53] } 40... Nxf2 { [%eval #-2] [%clk 0:07:21] } 41. Nxf5 { [%clk 0:06:08] } 41... Rh1# { [%clk 0:07:14] } 0-1