Event: Hong Kong International Open Chess Championship 2023
Site: St. Benedict School, Choi Hung, Kowloon, Hong Kong
Date: 2023-12-25
White: Yu, Kaiyi
WhiteElo: 1551
Black: Song, Sichen
BlackElo: 1156
Result: 1-0
ECO: C65
Opening: Ruy Lopez: Berlin Defense
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:20:36] } 1... e5 { [%eval 0.17] } 2. Nf3 { [%eval 0.29] } 2... Nc6 { [%eval 0.32] } 3. Bb5 { [%eval 0.34] [%clk 1:20:36] } 3... Nf6 { [%eval 0.34] [%clk 1:16:46] } 4. Qe2 { [%eval 0.0] } 4... d6 { [%eval 0.5] } 5. d4 { [%eval 0.37] } 5... exd4 { [%eval 0.46] [%clk 1:16:46] } 6. e5 { [%eval 0.19] [%clk 1:20:36] } 6... dxe5 { [%eval 0.22] } 7. Nxe5 { [%eval 0.25] } 7... Qe7?! { [%eval 0.86] } { Inaccuracy. Bb4+ was best. } 8. Nxc6 { [%eval 0.9] } 8... Qxe2+ { [%eval 1.0] [%clk 1:16:46] } 9. Kxe2 { [%eval 0.96] [%clk 1:20:36] } 9... Bd7?? { [%eval 3.93] } { Blunder. a6 was best. } 10. Nxd4 { [%eval 3.94] } 10... O-O-O { [%eval 3.79] } 11. Bxd7+ { [%eval 3.8] } 11... Rxd7 { [%eval 3.96] [%clk 1:16:46] } 12. Be3 { [%eval 3.84] [%clk 1:20:36] } 12... Bc5 { [%eval 3.86] } 13. c3 { [%eval 4.04] [%clk 1:20:36] } 13... Re8 { [%eval 4.08] [%clk 1:16:46] } 14. Kf3 { [%eval 3.88] [%clk 1:20:36] } 14... Nd5 { [%eval 3.91] [%clk 1:16:46] } 15. Nd2 { [%eval 3.93] } 15... g6 { [%eval 4.27] } 16. N2b3 { [%eval 4.23] [%clk 1:20:36] } 16... Bf8 { [%eval 4.5] [%clk 1:16:46] } 17. Rhe1 { [%eval 4.5] [%clk 1:20:36] } 17... c5 { [%eval 4.47] } 18. Nc2 { [%eval 4.5] [%clk 1:20:36] } 18... b6 { [%eval 4.55] [%clk 1:16:46] } 19. c4 { [%eval 4.13] } 19... Nf6 { [%eval 4.44] } 20. Red1 { [%eval 3.73] [%clk 1:20:36] } 20... Rde7 { [%eval 4.12] [%clk 1:16:46] } 21. Bg5 { [%eval 3.48] } 21... Bg7 { [%eval 4.3] } 22. Re1 { [%eval 4.17] [%clk 1:21:06] } 22... h6 { [%eval 4.69] [%clk 0:41:59] } 23. Rxe7 { [%eval 4.6] } 23... Rxe7 { [%eval 4.58] } 24. Bxf6 { [%eval 4.54] [%clk 1:22:04] } 24... Bxf6 { [%eval 4.58] [%clk 0:42:54] } 25. Rb1 { [%eval 4.64] } 25... a5 { [%eval 4.73] [%clk 0:43:22] } 26. Ne3 { [%eval 4.82] [%clk 1:22:55] } 26... Re6 { [%eval 4.81] } 27. a4 { [%eval 4.77] } 27... Bg7 { [%eval 5.01] [%clk 0:44:19] } 28. Nd2 { [%eval 4.86] [%clk 1:23:51] } 28... f5 { [%eval 4.74] } 29. Nd5 { [%eval 4.75] [%clk 1:24:20] } 29... Kb7 { [%eval 4.99] [%clk 0:45:14] } 30. b3 { [%eval 4.77] } 30... Kc6 { [%eval 5.02] } 31. Nf1 { [%eval 5.01] [%clk 1:25:13] } 31... g5 { [%eval 5.24] [%clk 0:46:13] } 32. Nfe3 { [%eval 5.4] } 32... f4 { [%eval 5.93] [%clk 0:46:42] } 33. Nc2 { [%eval 5.41] [%clk 1:26:08] } 33... h5 { [%eval 5.45] [%clk 0:47:07] } 34. Re1 { [%eval 5.44] [%clk 1:26:37] } 34... Be5 { [%eval 5.55] [%clk 0:47:22] } 35. h3 { [%eval 5.33] [%clk 1:26:58] } 35... Kd7 { [%eval 5.29] } 36. g3 { [%eval 4.95] } 36... fxg3 { [%eval 5.11] } 37. fxg3 { [%eval 5.0] [%clk 1:27:57] } 37... Re8 { [%eval 4.97] [%clk 0:48:46] } 38. Nxb6+ { [%eval 4.93] } 38... Kd6 { [%eval 5.0] } 39. Nd5 { [%eval 4.72] [%clk 1:28:54] } 39... Rf8+ { [%eval 4.8] [%clk 0:49:40] } 40. Kg2 { [%eval 4.79] } 40... h4 { [%eval 5.11] } 41. g4 { [%eval 4.9] [%clk 1:29:52] } 41... Bg3 { [%eval 5.39] [%clk 0:50:36] } 42. Re2 { [%eval 4.91] [%clk 1:30:02] } 42... Rb8 { [%eval 5.13] [%clk 0:50:42] } 43. Re3 { [%eval 5.3] [%clk 1:30:21] } 43... Rf8 { [%eval 5.74] [%clk 0:51:10] } 44. Rf3 { [%eval 5.69] [%clk 1:30:35] } 44... Re8 { [%eval 5.82] [%clk 0:51:08] } 45. Nce3 { [%eval 6.05] [%clk 1:31:04] } 45... Rb8 { [%eval 6.81] [%clk 0:51:28] } 46. Nf5+ { [%eval 6.98] [%clk 1:31:30] } 46... Ke5?? { [%eval #1] } { Checkmate is now unavoidable. Kd7 was best. } { [%clk 0:51:51] } 47. Nxg3?? { [%eval 6.49] } { Lost forced checkmate sequence. Re3# was best. } { [%clk 1:31:53] } 1-0