Event: Peter Stuart Memorial Open 2025
Site: Takapuna, Auckland, New Zealand
Date: 2025-06-20
White: Sun, Wanyao Sarah
WhiteTitle: WCM
WhiteElo: 1818
Black: Jiang, Patrick Di
BlackElo: 1673
Result: 0-1
ECO: B27
Opening: Sicilian Defense: Hyperaccelerated Fianchetto
Variant: Standard
TimeControl: 90 minutes, 30 seconds increment.

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:52] } 2. Nf3 { [%eval 0.2] [%clk 1:31:24] } 2... g6 { [%eval 0.34] [%clk 1:31:10] } 3. d4 { [%eval 0.35] [%clk 1:31:50] } 3... cxd4 { [%eval 0.38] [%clk 1:31:28] } 4. Qxd4 { [%eval 0.38] [%clk 1:32:13] } 4... Nf6 { [%eval 0.3] [%clk 1:31:44] } 5. e5 { [%eval 0.19] [%clk 1:32:35] } 5... Nc6 { [%eval 0.21] [%clk 1:31:57] } 6. Qa4 { [%eval 0.25] [%clk 1:32:52] } 6... Nd5 { [%eval 0.16] [%clk 1:31:50] } 7. Qe4 { [%eval 0.16] [%clk 1:33:05] } 7... Nc7 { [%eval 0.53] [%clk 1:31:04] } 8. Nc3 { [%eval 0.62] [%clk 1:32:34] } 8... Bg7 { [%eval 0.68] [%clk 1:30:09] } 9. Bf4 { [%eval 0.67] [%clk 1:30:29] } 9... Ne6 { [%eval 1.18] [%clk 1:28:26] } 10. Bg3 { [%eval 0.86] [%clk 1:28:49] } 10... Qb6 { [%eval 1.36] [%clk 1:23:34] } 11. O-O-O { [%eval 1.4] [%clk 1:26:32] } 11... Qb4 { [%eval 1.68] [%clk 1:18:30] } 12. Bc4 { [%eval 1.59] [%clk 1:15:14] } 12... b6?! { [%eval 2.42] } { Inaccuracy. Rb8 was best. } { [%clk 1:12:04] } 13. a3 { [%eval 2.42] [%clk 1:14:52] } 13... Qa5 { [%eval 2.29] [%clk 1:09:43] } 14. Nb5?! { [%eval 1.4] } { Inaccuracy. h4 was best. } { [%clk 0:51:43] } 14... O-O { [%eval 1.56] [%clk 1:01:13] } 15. Nfd4? { [%eval 0.42] } { Mistake. Bxe6 was best. } { [%clk 0:39:25] } 15... Nexd4?! { [%eval 1.5] } { Inaccuracy. Ncxd4 was best. } { [%clk 0:51:34] } 16. Nxd4 { [%eval 1.49] [%clk 0:37:38] } 16... Nxd4?! { [%eval 2.24] } { Inaccuracy. e6 was best. } { [%clk 0:40:02] } 17. Rxd4 { [%eval 2.39] [%clk 0:29:37] } 17... d5 { [%eval 2.31] [%clk 0:18:44] } 18. Bxd5?! { [%eval 1.32] } { Inaccuracy. Qxd5 was best. } { [%clk 0:28:46] } 18... Bf5 { [%eval 1.42] [%clk 0:18:11] } 19. Qe2 { [%eval 1.34] [%clk 0:26:03] } 19... Rac8 { [%eval 1.62] [%clk 0:17:02] } 20. Bb3 { [%eval 1.43] [%clk 0:25:57] } 20... Qc5?! { [%eval 2.19] } { Inaccuracy. h5 was best. } { [%clk 0:14:50] } 21. Rhd1 { [%eval 2.12] [%clk 0:23:26] } 21... Qc6 { [%eval 2.24] [%clk 0:12:56] } 22. f4 { [%eval 2.23] [%clk 0:19:16] } 22... b5 { [%eval 2.63] [%clk 0:10:46] } 23. Bh4 { [%eval 2.55] [%clk 0:18:03] } 23... Rc7 { [%eval 2.47] [%clk 0:08:16] } 24. g4 { [%eval 2.56] [%clk 0:14:58] } 24... Be6 { [%eval 2.59] [%clk 0:08:05] } 25. Bd5 { [%eval 2.11] [%clk 0:14:24] } 25... Bxd5 { [%eval 2.05] [%clk 0:08:03] } 26. Rxd5 { [%eval 2.19] [%clk 0:14:46] } 26... a6 { [%eval 2.05] [%clk 0:07:28] } 27. f5?? { [%eval 0.27] } { Blunder. Kb1 was best. } { [%clk 0:14:07] } 27... gxf5 { [%eval 0.37] [%clk 0:06:51] } 28. Kb1? { [%eval -1.0] } { Mistake. Bf2 was best. } { [%clk 0:13:35] } 28... fxg4 { [%eval -0.95] [%clk 0:06:53] } 29. Rd8?! { [%eval -1.84] } { Inaccuracy. Qxg4 was best. } { [%clk 0:10:34] } 29... Qg6? { [%eval -0.49] } { Mistake. Qe6 was best. } { [%clk 0:05:38] } 30. Rxf8+ { [%eval -0.64] [%clk 0:06:19] } 30... Bxf8 { [%eval -0.67] [%clk 0:05:54] } 31. Rg1?? { [%eval -2.48] } { Blunder. Rd4 was best. } { [%clk 0:06:32] } 31... h5 { [%eval -2.51] [%clk 0:05:13] } 32. a4?! { [%eval -3.49] } { Inaccuracy. h3 was best. } { [%clk 0:03:40] } 32... Kh7?! { [%eval -2.5] } { Inaccuracy. bxa4 was best. } { [%clk 0:04:22] } 33. h3 { [%eval -2.92] [%clk 0:02:19] } 33... Rc4 { [%eval -2.77] [%clk 0:04:38] } 34. b3? { [%eval -4.48] } { Mistake. axb5 was best. } { [%clk 0:01:20] } 34... Rb4 { [%eval -4.11] [%clk 0:04:12] } 35. Kb2 { [%eval -4.09] [%clk 0:00:54] } 35... bxa4 { [%eval -3.94] [%clk 0:03:56] } 36. hxg4 { [%eval -3.89] [%clk 0:00:54] } 36... Rxg4 { [%eval -3.81] [%clk 0:04:02] } 37. Rxg4 { [%eval -3.87] [%clk 0:01:03] } 37... Qxg4 { [%eval -3.83] [%clk 0:03:57] } 38. Qxg4?! { [%eval -5.19] } { Inaccuracy. Qh2 was best. } { [%clk 0:00:48] } 38... hxg4 { [%eval -5.1] [%clk 0:04:22] } 39. bxa4 { [%eval -4.99] [%clk 0:01:15] } 39... Kg6 { [%eval -5.07] [%clk 0:03:01] } 40. c4 { [%eval -6.37] [%clk 0:01:30] } 40... Kf5 { [%eval -6.01] [%clk 0:02:50] } 41. Bg3 { [%eval -7.21] [%clk 0:01:11] } 41... Bg7 { [%eval -6.34] [%clk 0:03:00] } 42. Kc2 { [%eval -7.54] [%clk 0:00:43] } 42... Bxe5 { [%eval -6.92] [%clk 0:03:14] } 43. Bxe5?? { [%eval #-24] } { Checkmate is now unavoidable. Bf2 was best. } { [%clk 0:00:51] } 43... Kxe5 { [%eval #-24] [%clk 0:03:41] } 44. Kd3 { [%eval #-23] [%clk 0:01:18] } 44... g3 { [%eval #-15] [%clk 0:03:46] } 45. Ke3 { [%eval #-15] [%clk 0:01:27] } 45... f5 { [%eval #-14] [%clk 0:04:03] } 46. Kf3 { [%eval #-15] [%clk 0:01:24] } 46... f4 { [%eval #-14] [%clk 0:04:29] } 0-1