Event: Biel Chess Festival 2025 Challengers 960
Site: Biel, Switzerland
Date: 2025-07-12
White: Ma, Qun
WhiteTitle: GM
WhiteElo: 2615
Black: Jumabayev, Rinat
BlackTitle: GM
BlackElo: 2546
Result: 1-0
Variant: Fischerandom
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.21] [%clk 0:14:32] } 1... c5 { [%eval 0.74] [%clk 0:13:40] } 2. f4 { [%eval 0.57] [%clk 0:14:07] } 2... d6 { [%eval 0.62] [%clk 0:13:22] } 3. Ne3 { [%eval 0.66] [%clk 0:13:50] } 3... Bc6 { [%eval 0.76] [%clk 0:13:07] } 4. d3 { [%eval 0.61] [%clk 0:13:40] } 4... g6 { [%eval 0.85] [%clk 0:10:01] } 5. Nf3?! { [%eval 0.25] } { Inaccuracy. g4 was best. } { [%clk 0:13:42] } 5... Bg7?! { [%eval 0.97] } { Inaccuracy. Ne6 was best. } { [%clk 0:10:03] } 6. g3 { [%eval 0.5] [%clk 0:13:04] } 6... Nf6 { [%eval 0.9] [%clk 0:07:57] } 7. c4 { [%eval 0.46] [%clk 0:11:16] } 7... h6 { [%eval 0.91] [%clk 0:05:58] } 8. Bc3 { [%eval 1.18] [%clk 0:11:12] } 8... Nh5?! { [%eval 1.78] } { Inaccuracy. N8d7 was best. } { [%clk 0:04:30] } 9. Bg2 { [%eval 1.56] [%clk 0:09:19] } 9... Ne6 { [%eval 1.61] [%clk 0:04:18] } 10. Bh3 { [%eval 1.43] [%clk 0:09:19] } 10... Qc7 { [%eval 1.81] [%clk 0:04:11] } 11. Nd5 { [%eval 1.89] [%clk 0:08:08] } 11... Bxd5 { [%eval 1.94] [%clk 0:03:36] } 12. cxd5 { [%eval 1.87] [%clk 0:08:10] } 12... Nd4 { [%eval 2.1] [%clk 0:01:14] } 13. Bxd4 { [%eval 2.05] [%clk 0:08:05] } 13... Bxd4 { [%eval 1.89] [%clk 0:00:32] } 14. Nxd4 { [%eval 1.83] [%clk 0:08:05] } 14... cxd4 { [%eval 1.84] [%clk 0:00:37] } 15. Qxc7+ { [%eval 1.76] [%clk 0:08:08] } 15... Kxc7 { [%eval 1.67] [%clk 0:00:41] } 16. Rc1+ { [%eval 1.64] [%clk 0:08:10] } 16... Kb6 { [%eval 1.57] [%clk 0:00:42] } 17. a4 { [%eval 1.57] [%clk 0:08:07] } 17... Nf6? { [%eval 3.22] } { Mistake. a5 was best. } { [%clk 0:00:25] } 18. a5+ { [%eval 3.09] [%clk 0:07:45] } 18... Ka6 { [%eval 3.09] [%clk 0:00:30] } 19. Rc7 { [%eval 3.03] [%clk 0:07:46] } 19... g5 { [%eval 3.03] [%clk 0:00:33] } 20. Rxe7 { [%eval 2.99] [%clk 0:07:26] } 20... g4?! { [%eval 3.83] } { Inaccuracy. gxf4 was best. } { [%clk 0:00:28] } 21. Rxf7 { [%eval 3.56] [%clk 0:07:10] } 21... Nxd5?! { [%eval 4.77] } { Inaccuracy. Rf8 was best. } { [%clk 0:00:13] } 22. Bxg4 { [%eval 4.66] [%clk 0:06:59] } 22... Nb4 { [%eval 5.2] [%clk 0:00:08] } 23. Ra4 { [%eval 5.23] [%clk 0:06:17] } 23... Kb5 { [%eval 5.12] [%clk 0:00:12] } 24. b3 { [%eval 4.81] [%clk 0:05:16] } 24... b6 { [%eval 4.69] [%clk 0:00:08] } 25. Bd7+ { [%eval 4.84] [%clk 0:04:58] } 25... Kc5 { [%eval 4.71] [%clk 0:00:12] } 26. Be6 { [%eval 4.73] [%clk 0:04:45] } 26... bxa5 { [%eval 4.84] [%clk 0:00:08] } 27. Rf5+ { [%eval 4.9] [%clk 0:02:33] } 27... d5 { [%eval 5.36] [%clk 0:00:07] } 28. Bxd5 { [%eval 5.24] [%clk 0:02:12] } 28... Nxd5 { [%eval 5.24] [%clk 0:00:09] } 29. Kb2 { [%eval 4.95] [%clk 0:02:02] } 29... Rab8 { [%eval 5.62] [%clk 0:00:08] } 30. Rxa5+ { [%clk 0:01:45] } 1-0