Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Chen, Yuan
WhiteElo: 2248
Black: Federer, Colin
BlackTitle: FM
BlackElo: 2055
Result: 1-0
ECO: E94
Opening: King's Indian Defense: Orthodox Variation, Glek Defense
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. Nf3 { [%eval 0.1] [%clk 0:15:08] } 1... Nf6 { [%eval 0.18] [%clk 0:15:07] } 2. d4 { [%eval 0.11] [%clk 0:15:09] } 2... g6 { [%eval 0.22] [%clk 0:14:59] } 3. c4 { [%eval 0.22] [%clk 0:15:11] } 3... Bg7 { [%eval 0.27] [%clk 0:15:02] } 4. Nc3 { [%eval 0.17] [%clk 0:15:15] } 4... O-O { [%eval 0.41] [%clk 0:15:03] } 5. e4 { [%eval 0.39] [%clk 0:15:18] } 5... d6 { [%eval 0.44] [%clk 0:15:07] } 6. Be2 { [%eval 0.45] [%clk 0:15:18] } 6... e5 { [%eval 0.4] [%clk 0:15:08] } 7. O-O { [%eval 0.4] [%clk 0:15:20] } 7... Na6 { [%eval 0.42] [%clk 0:15:02] } 8. Be3 { [%eval 0.46] [%clk 0:14:57] } 8... Qe7 { [%eval 0.55] [%clk 0:15:03] } 9. Nd5 { [%eval 0.28] [%clk 0:14:37] } 9... Nxd5 { [%eval 0.29] [%clk 0:14:53] } 10. cxd5 { [%eval 0.24] [%clk 0:14:41] } 10... exd4 { [%eval 0.27] [%clk 0:14:50] } 11. Bxd4 { [%eval 0.3] [%clk 0:14:44] } 11... Nc5 { [%eval 0.29] [%clk 0:14:04] } 12. Bxg7 { [%eval 0.24] [%clk 0:13:50] } 12... Kxg7 { [%eval 0.26] [%clk 0:14:05] } 13. Bd3 { [%eval -0.06] [%clk 0:13:46] } 13... Bg4 { [%eval 0.03] [%clk 0:13:37] } 14. b4 { [%eval -0.19] [%clk 0:13:41] } 14... Nd7 { [%eval -0.07] [%clk 0:11:23] } 15. h3 { [%eval -0.03] [%clk 0:13:35] } 15... Bxf3 { [%eval -0.03] [%clk 0:11:22] } 16. Qxf3 { [%eval -0.13] [%clk 0:13:38] } 16... a5 { [%eval -0.02] [%clk 0:11:14] } 17. a3 { [%eval -0.39] [%clk 0:13:34] } 17... Ne5 { [%eval -0.13] [%clk 0:10:44] } 18. Qe3 { [%eval -0.19] [%clk 0:13:30] } 18... Rfe8 { [%eval 0.0] [%clk 0:10:44] } 19. Bc2 { [%eval 0.0] [%clk 0:12:53] } 19... axb4 { [%eval 0.0] [%clk 0:10:06] } 20. axb4 { [%eval -0.25] [%clk 0:12:57] } 20... Qf6 { [%eval -0.26] [%clk 0:09:06] } 21. Qc3 { [%eval -0.22] [%clk 0:12:01] } 21... Rxa1 { [%eval -0.31] [%clk 0:09:37] } 22. Qxa1 { [%eval -0.26] [%clk 0:12:04] } 22... Qf4 { [%eval -0.3] [%clk 0:09:16] } 23. Qc3 { [%eval -0.32] [%clk 0:11:44] } 23... Kg8?! { [%eval 0.45] } { Inaccuracy. Ra8 was best. } { [%clk 0:09:01] } 24. Qxc7 { [%eval 0.51] [%clk 0:11:28] } 24... Qd2?! { [%eval 1.47] } { Inaccuracy. b5 was best. } { [%clk 0:05:57] } 25. Ba4 { [%eval 1.48] [%clk 0:10:57] } 25... Ra8 { [%eval 1.5] [%clk 0:05:28] } 26. Qxd6 { [%eval 1.64] [%clk 0:10:48] } 26... Nc4?? { [%eval 3.93] } { Blunder. Qf4 was best. } { [%clk 0:04:48] } 27. Qc5?? { [%eval 0.14] } { Blunder. Qe7 was best. } { [%clk 0:10:32] } 27... Rxa4 { [%eval 0.0] [%clk 0:04:50] } 28. Qxc4 { [%eval 0.0] [%clk 0:10:30] } 28... Rxb4 { [%eval 0.0] [%clk 0:04:52] } 29. Qc8+ { [%eval 0.04] [%clk 0:09:41] } 29... Kg7 { [%eval 0.0] [%clk 0:04:56] } 30. Qe8 { [%eval 0.0] [%clk 0:09:06] } 30... Qd4 { [%eval 0.02] [%clk 0:04:30] } 31. Re1 { [%eval 0.0] [%clk 0:09:07] } 31... Rb2 { [%eval 0.0] [%clk 0:04:26] } 32. Re3 { [%eval 0.0] [%clk 0:07:04] } 32... Qd1+ { [%eval 0.0] [%clk 0:04:07] } 33. Kh2 { [%eval 0.0] [%clk 0:07:08] } 33... Rxf2 { [%eval 0.0] [%clk 0:03:46] } 34. Qe5+ { [%eval 0.0] [%clk 0:07:09] } 34... Kh6 { [%eval 0.0] [%clk 0:02:58] } 35. Qb8 { [%eval 0.0] [%clk 0:05:03] } 35... Qd2 { [%eval 0.0] [%clk 0:01:55] } 36. Rg3 { [%eval 0.0] [%clk 0:04:58] } 36... Kg7 { [%eval 0.0] [%clk 0:00:57] } 37. Qe5+ { [%eval 0.0] [%clk 0:04:19] } 37... Kg8 { [%eval 0.02] [%clk 0:00:28] } 38. d6 { [%eval 0.0] [%clk 0:04:13] } 38... Qd1?? { [%eval 6.12] } { Blunder. h5 was best. } { [%clk 0:00:18] } 39. Rc3 { [%eval 5.6] [%clk 0:03:30] } 39... f6 { [%clk 0:00:10] } 40. Qd5+ { [%clk 0:03:14] } 40... Qxd5 { [%clk 0:00:11] } 41. exd5 { [%clk 0:03:18] } 41... Kf7 { [%clk 0:00:01] } 42. Rc8 { [%clk 0:03:21] } 42... Rd2 { [%clk 0:00:07] } 43. d7 { [%clk 0:03:20] } 43... Rxd5 { [%clk 0:00:09] } 44. d8=Q { [%clk 0:03:21] } 44... Rxd8 { [%clk 0:00:13] } 45. Rxd8 { [%clk 0:03:25] } 1-0