Event: Hong Kong International Open Chess Championship 2023
Site: St. Benedict School, Choi Hung, Kowloon, Hong Kong
Date: 2023-12-26
White: Song, Sichen
WhiteElo: 1156
Black: Dang, Letian
BlackElo: 1304
Result: 1-0
ECO: D10
Opening: Slav Defense
Variant: Standard

1. d4 { [%eval 0.13] [%clk 1:30:50] } 1... d5 { [%eval 0.27] [%clk 1:30:57] } 2. c4 { [%eval 0.0] [%clk 1:31:06] } 2... c6 { [%eval 0.3] [%clk 1:30:57] } 3. Bf4?! { [%eval -0.32] } { Inaccuracy. Nf3 was best. } { [%clk 1:31:17] } 3... dxc4 { [%eval -0.15] [%clk 1:30:29] } 4. e3 { [%eval -0.37] [%clk 1:30:18] } 4... b5 { [%eval -0.53] [%clk 1:30:13] } 5. a4 { [%eval -0.76] [%clk 1:30:42] } 5... Qa5+? { [%eval 0.56] } { Mistake. Nf6 was best. } { [%clk 1:29:25] } 6. Nc3 { [%eval 0.68] [%clk 1:31:09] } 6... b4 { [%eval 0.79] [%clk 1:25:32] } 7. Ne4 { [%eval 0.87] [%clk 1:31:36] } 7... b3+?! { [%eval 1.68] } { Inaccuracy. Ba6 was best. } { [%clk 1:23:38] } 8. Qd2 { [%eval 1.42] [%clk 1:28:54] } 8... Qb6?! { [%eval 2.21] } { Inaccuracy. Qf5 was best. } { [%clk 1:19:48] } 9. Bxc4 { [%eval 2.18] [%clk 1:29:20] } 9... Bf5 { [%eval 2.54] [%clk 1:18:00] } 10. Nc3 { [%eval 2.01] [%clk 1:29:27] } 10... Nf6 { [%eval 2.15] [%clk 1:17:43] } 11. f3? { [%eval 0.74] } { Mistake. a5 was best. } { [%clk 1:29:34] } 11... Na6? { [%eval 2.42] } { Mistake. Qb4 was best. } { [%clk 1:13:03] } 12. e4 { [%eval 2.12] [%clk 1:28:48] } 12... Be6 { [%eval 2.16] [%clk 1:10:20] } 13. Bd3? { [%eval 0.75] } { Mistake. Bxe6 was best. } { [%clk 1:23:09] } 13... Nb4 { [%eval 0.82] [%clk 1:08:10] } 14. Nge2 { [%eval 0.92] [%clk 1:23:34] } 14... Nh5? { [%eval 2.17] } { Mistake. a5 was best. } { [%clk 1:07:11] } 15. Be3 { [%eval 2.11] [%clk 1:22:18] } 15... Rd8 { [%eval 2.15] [%clk 1:05:22] } 16. O-O { [%eval 2.17] [%clk 1:18:37] } 16... g6 { [%eval 2.18] [%clk 0:59:00] } 17. a5 { [%eval 2.35] [%clk 1:19:05] } 17... Qb7 { [%eval 2.29] [%clk 0:58:49] } 18. Na4 { [%eval 1.83] [%clk 1:19:12] } 18... Nxd3 { [%eval 1.74] [%clk 0:58:43] } 19. Qxd3 { [%eval 1.87] [%clk 1:19:27] } 19... Bg7?! { [%eval 2.71] } { Inaccuracy. Qb5 was best. } { [%clk 0:56:49] } 20. Nc5 { [%eval 2.85] [%clk 1:15:54] } 20... Qb4 { [%eval 3.01] [%clk 0:54:39] } 21. Rfc1 { [%eval 3.28] [%clk 1:13:54] } 21... O-O { [%eval 3.38] [%clk 0:46:41] } 22. Ra4 { [%eval 2.7] [%clk 1:09:21] } 22... Qb8?! { [%eval 4.0] } { Inaccuracy. Qb5 was best. } { [%clk 0:45:51] } 23. Nxe6 { [%eval 4.09] [%clk 1:05:48] } 23... fxe6 { [%eval 4.0] [%clk 0:44:31] } 24. Rxc6 { [%eval 3.33] [%clk 1:04:28] } 24... Be5 { [%eval 3.22] [%clk 0:43:21] } 25. Ng3?? { [%eval 0.82] } { Blunder. h3 was best. } { [%clk 0:56:14] } 25... Bxg3 { [%eval 0.73] [%clk 0:42:46] } 26. hxg3 { [%eval 0.41] [%clk 0:56:42] } 26... Qxg3 { [%eval 0.75] [%clk 0:42:55] } 27. Bf2?! { [%eval 0.01] } { Inaccuracy. Qf1 was best. } { [%clk 0:50:43] } 27... Qxg2+ { [%eval 0.0] [%clk 0:41:32] } 28. Kxg2 { [%eval 0.0] [%clk 0:51:08] } 28... Nf4+ { [%eval 0.0] [%clk 0:42:01] } 29. Kg3 { [%eval 0.0] [%clk 0:51:05] } 29... Nxd3 { [%eval 0.0] [%clk 0:42:13] } 30. Rc3 { [%eval 0.0] [%clk 0:50:25] } 30... Nxb2 { [%eval 0.06] [%clk 0:41:49] } 31. Rb4 { [%eval -0.07] [%clk 0:50:22] } 31... Nd1 { [%eval -0.06] [%clk 0:40:07] } 32. Rcxb3 { [%eval -0.02] [%clk 0:49:46] } 32... Nxf2 { [%eval -0.09] [%clk 0:41:29] } 33. Kxf2 { [%eval -0.03] [%clk 0:50:07] } 33... h5 { [%eval 0.0] [%clk 0:40:55] } 34. Ke3 { [%eval 0.0] [%clk 0:50:19] } 34... Rd7 { [%eval 0.0] [%clk 0:40:08] } 35. Rb5 { [%eval -0.06] [%clk 0:48:30] } 35... Rfd8 { [%eval -0.03] [%clk 0:37:42] } 36. Rb7 { [%eval -0.1] [%clk 0:46:57] } 36... Kf7 { [%eval -0.1] [%clk 0:35:54] } 37. Kf4?! { [%eval -0.94] } { Inaccuracy. R3b4 was best. } { [%clk 0:47:18] } 37... Kf6?! { [%eval -0.35] } { Inaccuracy. Rxd4 was best. } { [%clk 0:34:10] } 38. e5+?! { [%eval -1.38] } { Inaccuracy. Rxd7 was best. } { [%clk 0:44:33] } 38... Kf7 { [%eval -1.36] [%clk 0:34:02] } 39. Kg5 { [%eval -1.53] [%clk 0:45:01] } 39... h4? { [%eval -0.06] } { Mistake. Rxd4 was best. } { [%clk 0:32:48] } 40. Kxh4 { [%eval -0.07] [%clk 0:43:11] } 40... Rxd4+ { [%eval -0.04] [%clk 0:32:58] } 41. Kg3 { [%eval -0.04] [%clk 0:42:40] } 41... R8d7 { [%eval 0.0] [%clk 0:31:44] } 42. a6 { [%eval 0.0] [%clk 0:43:08] } 42... Ke8 { [%eval 0.01] [%clk 0:27:50] } 43. Rc3 { [%eval 0.0] [%clk 0:42:16] } 43... Ra4?? { [%eval 3.22] } { Blunder. Kf7 was best. } { [%clk 0:27:05] } 44. Rc8+ { [%eval 2.33] [%clk 0:34:02] } 44... Rd8 { [%eval 2.44] [%clk 0:27:26] } 45. Rcc7 { [%eval 3.16] [%clk 0:31:21] } 45... Rxa6 { [%eval 2.53] [%clk 0:26:44] } 46. Rxe7+ { [%eval 3.24] [%clk 0:31:49] } 46... Kf8 { [%eval 2.81] [%clk 0:27:12] } 47. Kg4 { [%eval 2.42] [%clk 0:31:58] } 47... Rd5?? { [%eval #9] } { Checkmate is now unavoidable. Ra1 was best. } 48. Rec7 { [%eval #18] [%clk 0:32:25] } 48... Ke8 { [%eval #7] [%clk 0:19:36] } 49. Rh7 { [%eval #6] [%clk 0:32:42] } 49... Ra4+ { [%eval #6] [%clk 0:19:14] } 50. Kg3?! { [%eval 96.05] } { Lost forced checkmate sequence. Kg5 was best. } { [%clk 0:33:00] } 50... Rd7 { [%eval #5] [%clk 0:19:13] } 51. Rhxd7?! { [%eval 39.28] } { Lost forced checkmate sequence. Rbxd7 was best. } { [%clk 0:33:29] } 51... Rb4 { [%eval 36.44] [%clk 0:18:41] } 52. Rxa7 { [%eval #17] [%clk 0:33:57] } 52... Rb1 { [%eval #4] [%clk 0:18:55] } 53. Rh7 { [%eval #3] [%clk 0:34:14] } 53... Rg1+ { [%eval #3] [%clk 0:19:21] } 54. Kf2 { [%eval #2] [%clk 0:34:40] } 54... Ra1 { [%eval #1] [%clk 0:19:45] } 55. Rh8# { [%clk 0:35:05] } 1-0