Event: Round 1: 李博 - 刘佳源
Site: https://lichess.org/broadcast/-11/round-1/UAenfmQf/bx7YHuRc
Date: 2025-11-07
White: 李博
WhiteTitle: IM
Black: 刘佳源
Result: 1-0
ECO: D51
Opening: Queen's Gambit Declined: Modern Variation, Knight Defense
Variant: Standard
TimeControl: 50+10

1. d4 { [%eval 0.17] [%clk 0:49:08] } 1... d5 { [%eval 0.18] [%clk 0:50:11] } 2. c4 { [%eval 0.18] [%clk 0:47:48] } 2... e6 { [%eval 0.17] [%clk 0:50:12] } 3. Nc3 { [%eval 0.22] [%clk 0:47:27] } 3... Nf6 { [%eval 0.24] [%clk 0:50:10] } 4. Bg5 { [%eval 0.0] [%clk 0:46:53] } 4... Nbd7 { [%eval 0.26] [%clk 0:49:57] } 5. e3 { [%eval 0.19] [%clk 0:46:21] } 5... c6 { [%eval 0.28] [%clk 0:49:09] } 6. cxd5 { [%eval 0.35] [%clk 0:46:09] } 6... exd5 { [%eval 0.23] [%clk 0:48:09] } 7. Bd3 { [%eval 0.25] [%clk 0:46:05] } 7... Bb4 { [%eval 0.52] [%clk 0:47:43] } 8. Ne2 { [%eval 0.34] [%clk 0:45:30] } 8... O-O { [%eval 0.39] [%clk 0:47:32] } 9. O-O { [%eval 0.5] [%clk 0:44:46] } 9... c5?? { [%eval 2.8] } { Blunder. Re8 was best. } { [%clk 0:47:22] } 10. Nxd5 { [%eval 2.71] [%clk 0:44:03] } 10... h6 { [%eval 2.84] [%clk 0:44:32] } 11. Bxf6 { [%eval 2.76] [%clk 0:43:05] } 11... Nxf6 { [%eval 2.74] [%clk 0:44:30] } 12. Nxb4 { [%eval 2.73] [%clk 0:42:25] } 12... cxb4 { [%eval 2.74] [%clk 0:44:35] } 13. Qb3 { [%eval 2.44] [%clk 0:41:20] } 13... a5 { [%eval 2.31] [%clk 0:44:23] } 14. Rac1 { [%eval 2.25] [%clk 0:40:12] } 14... Be6 { [%eval 2.09] [%clk 0:44:09] } 15. Bc4 { [%eval 2.17] [%clk 0:39:15] } 15... Ne4? { [%eval 4.1] } { Mistake. Bd7 was best. } { [%clk 0:43:46] } 16. Bxe6 { [%eval 4.22] [%clk 0:38:34] } 16... Nd2 { [%eval 3.95] [%clk 0:43:51] } 17. Qd3 { [%eval 4.02] [%clk 0:37:17] } 17... Nxf1 { [%eval 4.0] [%clk 0:43:43] } 18. Bb3 { [%eval 4.13] [%clk 0:35:51] } 18... a4 { [%eval 4.68] [%clk 0:43:28] } 19. Bc2 { [%eval 4.61] [%clk 0:35:21] } 19... Nxh2?? { [%eval #1] } { Checkmate is now unavoidable. g6 was best. } { [%clk 0:43:14] } 20. Qh7# { [%clk 0:35:08] } 1-0