Event: Biel Chess Festival 2025 Rapid
Site: Biel, Switzerland
Date: 2025-07-13
White: Gao, Kai
Black: Pardoen, Oscar
BlackElo: 1758
Result: 1-0
ECO: C42
Opening: Petrov's Defense: Classical Attack
Variant: Standard
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.18] [%clk 0:15:09] } 1... e5 { [%eval 0.22] [%clk 0:15:09] } 2. Nf3 { [%eval 0.13] [%clk 0:15:12] } 2... Nf6 { [%eval 0.34] [%clk 0:15:12] } 3. Nxe5 { [%eval 0.29] [%clk 0:15:07] } 3... d6 { [%eval 0.22] [%clk 0:15:15] } 4. Nf3 { [%eval 0.31] [%clk 0:15:16] } 4... Nxe4 { [%eval 0.24] [%clk 0:15:18] } 5. d4 { [%eval 0.25] [%clk 0:15:19] } 5... d5 { [%eval 0.2] [%clk 0:15:21] } 6. Bd3 { [%eval 0.21] [%clk 0:15:22] } 6... Bf5 { [%eval 0.34] [%clk 0:15:22] } 7. O-O { [%eval 0.29] [%clk 0:15:20] } 7... Be7 { [%eval 0.34] [%clk 0:15:22] } 8. Re1 { [%eval 0.24] [%clk 0:15:02] } 8... O-O { [%eval 0.26] [%clk 0:15:21] } 9. Nbd2 { [%eval 0.18] [%clk 0:15:05] } 9... Nd6 { [%eval 0.25] [%clk 0:14:31] } 10. Bxf5 { [%eval 0.22] [%clk 0:14:41] } 10... Nxf5 { [%eval 0.27] [%clk 0:14:31] } 11. c3 { [%eval 0.1] [%clk 0:14:45] } 11... Bf6 { [%eval 0.46] [%clk 0:13:50] } 12. Qb3 { [%eval 0.54] [%clk 0:14:32] } 12... b6 { [%eval 0.44] [%clk 0:13:05] } 13. Ne5 { [%eval 0.24] [%clk 0:14:17] } 13... c6 { [%eval 0.49] [%clk 0:12:15] } 14. Ndf3 { [%eval 0.57] [%clk 0:14:33] } 14... Qc7?! { [%eval 1.29] } { Inaccuracy. Qc8 was best. } { [%clk 0:12:06] } 15. Bf4 { [%eval 1.37] [%clk 0:14:29] } 15... Qb7 { [%eval 1.4] [%clk 0:11:30] } 16. Qc2 { [%eval 1.37] [%clk 0:14:26] } 16... Ne7 { [%eval 1.64] [%clk 0:10:25] } 17. Ng4 { [%eval 1.52] [%clk 0:13:23] } 17... Nd7 { [%eval 1.32] [%clk 0:07:59] } 18. Bd6?! { [%eval 0.64] } { Inaccuracy. Nxf6+ was best. } { [%clk 0:11:58] } 18... Rfe8 { [%eval 0.61] [%clk 0:07:43] } 19. Qe2 { [%eval 0.69] [%clk 0:11:35] } 19... Ng6?? { [%eval 4.84] } { Blunder. a5 was best. } { [%clk 0:07:54] } 20. Qxe8+ { [%eval 5.23] [%clk 0:11:21] } 20... Rxe8 { [%eval 5.22] [%clk 0:07:56] } 21. Rxe8+ { [%eval 5.19] [%clk 0:11:07] } 21... Ndf8 { [%eval 4.82] [%clk 0:05:52] } 22. Rae1? { [%eval 2.82] } { Mistake. Nge5 was best. } { [%clk 0:10:15] } 22... Qd7 { [%eval 3.09] [%clk 0:04:48] } 23. Bxf8 { [%eval 2.94] [%clk 0:10:40] } 23... Nxf8 { [%eval 2.52] [%clk 0:05:01] } 24. Rb8?? { [%eval 0.09] } { Blunder. Nxf6+ was best. } { [%clk 0:10:13] } 24... Be7?? { [%eval 2.49] } { Blunder. Qxg4 was best. } { [%clk 0:04:55] } 25. Nge5 { [%eval 2.55] [%clk 0:10:43] } 25... Qc7 { [%eval 2.54] [%clk 0:04:27] } 26. Ra8?? { [%eval -0.2] } { Blunder. Re8 was best. } { [%clk 0:09:05] } 26... Bd6? { [%eval 1.04] } { Mistake. f6 was best. } { [%clk 0:04:22] } 27. g3?! { [%eval 0.0] } { Inaccuracy. Nd3 was best. } { [%clk 0:09:59] } 27... f6 { [%eval 0.03] [%clk 0:03:22] } 28. Ng4 { [%eval 0.0] [%clk 0:09:52] } 28... Kf7?! { [%eval 0.62] } { Inaccuracy. h5 was best. } { [%clk 0:03:26] } 29. Rae8?? { [%eval -1.21] } { Blunder. Ree8 was best. } { [%clk 0:08:48] } 29... Ng6? { [%eval 0.0] } { Mistake. Qd7 was best. } { [%clk 0:03:01] } 30. R8e2 { [%eval 0.0] [%clk 0:09:10] } 30... h5 { [%eval 0.0] [%clk 0:02:52] } 31. Ne3 { [%eval 0.0] [%clk 0:09:13] } 31... Ne7 { [%eval 0.0] [%clk 0:02:54] } 32. a3 { [%eval 0.0] [%clk 0:09:01] } 32... g6 { [%eval 0.09] [%clk 0:02:56] } 33. c4 { [%eval 0.0] [%clk 0:09:02] } 33... g5 { [%eval 0.0] [%clk 0:02:44] } 34. b4 { [%eval -0.23] [%clk 0:09:02] } 34... Qd7?! { [%eval 0.72] } { Inaccuracy. dxc4 was best. } { [%clk 0:00:57] } 35. c5 { [%eval 0.8] [%clk 0:07:27] } 35... bxc5 { [%eval 0.65] [%clk 0:00:52] } 36. bxc5 { [%eval 0.73] [%clk 0:07:17] } 36... Bc7 { [%eval 0.76] [%clk 0:00:14] } 37. Rb1 { [%eval 0.58] [%clk 0:06:45] } 37... Qc8 { [%eval 0.44] [%clk 0:02:20] } 38. Reb2 { [%eval 0.0] [%clk 0:05:51] } 38... Ke6?? { [%eval 2.0] } { Blunder. Nf5 was best. } { [%clk 0:01:26] } 39. Rb7 { [%eval 1.65] [%clk 0:06:43] } 39... Bd8?? { [%eval 4.57] } { Blunder. Nf5 was best. } { [%clk 0:00:45] } 40. Rxa7 { [%eval 4.03] [%clk 0:06:32] } 40... Nf5 { [%eval 3.65] [%clk 0:00:28] } 41. Nc2 { [%eval 3.81] [%clk 0:06:22] } 41... Be7 { [%eval 4.72] [%clk 0:00:30] } 42. Re1+ { [%eval 4.64] [%clk 0:06:26] } 42... Kf7 { [%eval 4.74] [%clk 0:00:30] } 43. Ne3 { [%eval 4.6] [%clk 0:06:30] } 43... Ng7?! { [%eval 7.45] } { Inaccuracy. Nh6 was best. } { [%clk 0:00:24] } 44. Nxd5 { [%eval 7.18] [%clk 0:06:32] } 44... Ne6 { [%eval 9.49] [%clk 0:00:09] } 45. Rxe7+ { [%eval 9.38] [%clk 0:06:34] } 45... Kg6 { [%eval 10.34] } 46. Nb6 { [%eval 9.92] [%clk 0:06:22] } 46... Qa6? { [%eval #9] } { Checkmate is now unavoidable. Qg8 was best. } { [%clk 0:00:11] } 47. R7xe6 { [%eval #22] [%clk 0:06:24] } 47... Qxa3 { [%eval 11.45] [%clk 0:00:11] } 48. Ne5+ { [%eval 9.77] [%clk 0:06:24] } 48... Kf5? { [%eval #20] } { Checkmate is now unavoidable. Kh7 was best. } { [%clk 0:00:11] } 49. Nxc6 { [%eval 11.77] [%clk 0:06:15] } 49... h4?! { [%eval #9] } { Checkmate is now unavoidable. Kg6 was best. } { [%clk 0:00:15] } 50. Kg2 { [%clk 0:05:45] } 1-0