Event: HKCC 2024 & Olympiad Selection 2024
Site: Hong Kong Taoist Association Wun Tsuen School, On Shin Road, Kowloon, Hong Kong
Date: 2024-02-18
White: Han, Leon
Black: Yau, Tat Sum
BlackElo: 1408
Result: 0-1
ECO: B00
Opening: Owen Defense
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:00:50] } 1... b6?! { [%eval 0.95] } { Inaccuracy. e5 was best. } { [%clk 1:00:59] } 2. d4 { [%eval 0.86] [%clk 1:01:08] } 2... Bb7 { [%eval 0.75] [%clk 1:01:45] } 3. Nc3 { [%eval 0.44] [%clk 1:01:20] } 3... e6 { [%eval 0.67] } 4. Nf3 { [%eval 0.69] [%clk 1:01:18] } 4... Nf6 { [%eval 0.74] [%clk 1:02:07] } 5. Bd3 { [%eval 0.44] [%clk 1:00:46] } 5... Bb4 { [%eval 0.64] [%clk 1:02:35] } 6. e5?! { [%eval 0.0] } { Inaccuracy. Nd2 was best. } { [%clk 1:00:35] } 6... Nd5 { [%eval 0.54] [%clk 1:02:22] } 7. Bd2 { [%eval 0.48] [%clk 1:00:22] } 7... Nxc3 { [%eval 0.53] [%clk 1:02:22] } 8. bxc3 { [%eval 0.51] [%clk 1:00:38] } 8... Be7 { [%eval 0.53] [%clk 1:02:43] } 9. O-O { [%eval 0.47] [%clk 0:59:46] } 9... c5 { [%eval 0.75] [%clk 1:02:49] } 10. Qe2 { [%eval 0.59] [%clk 0:58:04] } 10... d5 { [%eval 0.54] [%clk 1:02:16] } 11. exd6 { [%eval 0.47] [%clk 0:57:04] } 11... Bxd6? { [%eval 1.73] } { Mistake. Qxd6 was best. } { [%clk 1:02:09] } 12. Bg5?! { [%eval 0.73] } { Inaccuracy. Ng5 was best. } { [%clk 0:54:45] } 12... Qc7 { [%eval 0.56] [%clk 0:58:09] } 13. Be4?! { [%eval -0.02] } { Inaccuracy. Bb5+ was best. } { [%clk 0:53:36] } 13... h6 { [%eval -0.19] [%clk 0:55:28] } 14. Bxb7 { [%eval -0.32] [%clk 0:51:45] } 14... Qxb7 { [%eval -0.37] [%clk 0:50:29] } 15. Bh4 { [%eval -0.58] [%clk 0:50:35] } 15... O-O { [%eval -0.33] [%clk 0:50:34] } 16. Bg3 { [%eval -0.46] [%clk 0:50:08] } 16... Bxg3 { [%eval -0.35] [%clk 0:49:21] } 17. hxg3 { [%eval -0.38] [%clk 0:48:56] } 17... Nd7 { [%eval -0.39] [%clk 0:49:47] } 18. a4 { [%eval -0.5] [%clk 0:47:56] } 18... Rac8 { [%eval -0.46] [%clk 0:49:31] } 19. a5 { [%eval -0.47] [%clk 0:46:56] } 19... Qc7 { [%eval -0.28] [%clk 0:48:18] } 20. Ra4 { [%eval -0.78] [%clk 0:43:31] } 20... Nf6 { [%eval -0.32] [%clk 0:48:01] } 21. axb6 { [%eval -0.34] [%clk 0:42:35] } 21... axb6 { [%eval -0.3] [%clk 0:47:49] } 22. dxc5 { [%eval -0.38] [%clk 0:42:06] } 22... Qxc5 { [%eval -0.36] [%clk 0:47:40] } 23. c4 { [%eval -0.33] [%clk 0:41:24] } 23... Rfd8 { [%eval -0.28] [%clk 0:45:55] } 24. Rb1 { [%eval -0.34] [%clk 0:41:24] } 24... Rd6 { [%eval -0.27] [%clk 0:43:16] } 25. Rb5 { [%eval -0.38] [%clk 0:40:59] } 25... Qc7 { [%eval -0.42] [%clk 0:43:10] } 26. Qe1? { [%eval -1.6] } { Mistake. Rab4 was best. } { [%clk 0:40:09] } 26... Rcd8?! { [%eval -0.68] } { Inaccuracy. Qd7 was best. } { [%clk 0:43:22] } 27. Qb4?? { [%eval -5.92] } { Blunder. Rb1 was best. } { [%clk 0:39:59] } 27... Ng4? { [%eval -3.07] } { Mistake. Rd1+ was best. } { [%clk 0:40:51] } 28. Ra1? { [%eval -5.89] } { Mistake. Kf1 was best. } { [%clk 0:36:37] } 28... Rd1+ { [%eval -5.92] [%clk 0:40:57] } 29. Rxd1 { [%eval -5.57] [%clk 0:37:02] } 29... Rxd1+ { [%eval -5.79] [%clk 0:41:22] } 30. Ne1 { [%eval -5.23] [%clk 0:37:27] } 30... h5?? { [%eval -1.65] } { Blunder. Qd8 was best. } { [%clk 0:39:33] } 31. f4?? { [%eval #-6] } { Checkmate is now unavoidable. Kf1 was best. } { [%clk 0:36:43] } 31... Qc6?? { [%eval -5.59] } { Lost forced checkmate sequence. Qd6 was best. } { [%clk 0:38:55] } 32. c5 { [%eval -6.73] [%clk 0:36:39] } 32... bxc5 { [%eval -6.46] [%clk 0:38:38] } 33. Rxc5?? { [%eval #-3] } { Checkmate is now unavoidable. Qb1 was best. } { [%clk 0:37:00] } 33... Qxc5+ { [%eval #-2] [%clk 0:38:38] } 0-1