Event: Peter Stuart Memorial Open 2025
Site: Takapuna, Auckland, New Zealand
Date: 2025-06-19
White: McLaren, Leonard J
WhiteTitle: FM
WhiteElo: 2042
Black: Pei, Yanshuo
BlackElo: 1727
Result: 0-1
ECO: B50
Opening: Sicilian Defense: Modern Variations
Variant: Standard
TimeControl: 90 minutes, 30 seconds increment.

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:54] } 2. Nf3 { [%eval 0.2] [%clk 1:31:14] } 2... d6 { [%eval 0.31] [%clk 1:31:09] } 3. Bc4 { [%eval 0.0] [%clk 1:31:23] } 3... Nf6 { [%eval 0.07] [%clk 1:31:06] } 4. d3 { [%eval 0.0] [%clk 1:31:32] } 4... e6 { [%eval 0.0] [%clk 1:30:58] } 5. Bb3 { [%eval -0.09] [%clk 1:30:37] } 5... Be7 { [%eval 0.0] [%clk 1:30:31] } 6. O-O { [%eval -0.19] [%clk 1:30:27] } 6... O-O { [%eval 0.0] [%clk 1:30:09] } 7. c3 { [%eval -0.16] [%clk 1:29:46] } 7... Nc6 { [%eval 0.09] [%clk 1:27:59] } 8. a4 { [%eval 0.01] [%clk 1:27:58] } 8... h6 { [%eval 0.16] [%clk 1:17:42] } 9. Re1 { [%eval 0.05] [%clk 1:27:16] } 9... a6 { [%eval 0.2] [%clk 1:17:11] } 10. d4 { [%eval 0.13] [%clk 1:25:47] } 10... cxd4 { [%eval 0.32] [%clk 1:17:03] } 11. cxd4 { [%eval 0.35] [%clk 1:26:01] } 11... d5 { [%eval 0.47] [%clk 1:16:21] } 12. e5 { [%eval 0.52] [%clk 1:25:44] } 12... Ne4 { [%eval 0.58] [%clk 1:16:37] } 13. Nc3 { [%eval 0.61] [%clk 1:22:09] } 13... Bb4?? { [%eval 2.76] } { Blunder. f5 was best. } { [%clk 1:12:00] } 14. Qd3?? { [%eval 0.9] } { Blunder. Nxe4 was best. } { [%clk 1:18:42] } 14... Na5?? { [%eval 2.95] } { Blunder. f5 was best. } { [%clk 0:58:12] } 15. Bc2 { [%eval 2.96] [%clk 1:18:00] } 15... Bxc3 { [%eval 3.49] [%clk 0:58:18] } 16. bxc3 { [%eval 2.92] [%clk 1:18:21] } 16... Qc7? { [%eval 5.81] } { Mistake. f5 was best. } { [%clk 0:57:08] } 17. Ba3?? { [%eval 2.79] } { Blunder. Rxe4 was best. } { [%clk 1:07:42] } 17... Rd8? { [%eval 4.69] } { Mistake. Re8 was best. } { [%clk 0:54:14] } 18. Nd2? { [%eval 2.83] } { Mistake. Rxe4 was best. } { [%clk 0:57:48] } 18... f5 { [%eval 2.79] [%clk 0:52:40] } 19. exf6 { [%eval 2.77] [%clk 0:57:16] } 19... Nxf6 { [%eval 2.42] [%clk 0:53:02] } 20. Bb4?! { [%eval 1.54] } { Inaccuracy. Re3 was best. } { [%clk 0:53:14] } 20... Nc6 { [%eval 1.38] [%clk 0:50:37] } 21. a5 { [%eval 1.11] [%clk 0:48:24] } 21... Bd7?! { [%eval 1.85] } { Inaccuracy. Nxb4 was best. } { [%clk 0:45:33] } 22. Nb3 { [%eval 1.28] [%clk 0:45:08] } 22... Nxb4 { [%eval 1.42] [%clk 0:30:57] } 23. cxb4 { [%eval 1.31] [%clk 0:45:28] } 23... Bb5 { [%eval 1.74] [%clk 0:31:00] } 24. Qd2 { [%eval 1.68] [%clk 0:44:44] } 24... Ng4 { [%eval 1.64] [%clk 0:29:47] } 25. g3 { [%eval 1.46] [%clk 0:42:42] } 25... Rf8 { [%eval 1.38] [%clk 0:28:14] } 26. f4 { [%eval 1.33] [%clk 0:38:50] } 26... Qf7 { [%eval 1.39] [%clk 0:26:08] } 27. Nc5 { [%eval 1.33] [%clk 0:34:54] } 27... Rae8 { [%eval 1.68] [%clk 0:23:54] } 28. Ra3 { [%eval 1.99] [%clk 0:30:57] } 28... Re7 { [%eval 2.1] [%clk 0:10:40] } 29. Bd1 { [%eval 1.83] [%clk 0:28:49] } 29... h5?! { [%eval 2.58] } { Inaccuracy. Qg6 was best. } { [%clk 0:07:33] } 30. Bxg4 { [%eval 2.56] [%clk 0:25:29] } 30... hxg4 { [%eval 2.63] [%clk 0:07:58] } 31. Re5 { [%eval 2.54] [%clk 0:23:45] } 31... Qg6 { [%eval 2.47] [%clk 0:07:38] } 32. Rae3 { [%eval 2.23] [%clk 0:22:15] } 32... Rf6?! { [%eval 2.92] } { Inaccuracy. Rf5 was best. } { [%clk 0:05:41] } 33. Rg5 { [%eval 2.79] [%clk 0:20:41] } 33... Qh7 { [%eval 2.77] [%clk 0:05:46] } 34. Rxg4?? { [%eval -3.38] } { Blunder. Re1 was best. } { [%clk 0:19:34] } 34... Qh3 { [%eval -3.38] [%clk 0:05:52] } 35. Qd1 { [%eval -3.19] [%clk 0:16:22] } 35... Rh6 { [%eval -3.09] [%clk 0:06:00] } 36. Nd3?? { [%eval #-3] } { Checkmate is now unavoidable. Kf2 was best. } { [%clk 0:15:05] } 36... Qxh2+ { [%eval #-2] [%clk 0:06:10] } 37. Kf1 { [%eval #-2] [%clk 0:15:31] } 37... Qh1+ { [%eval #-1] [%clk 0:06:26] } 0-1