Event: Biel Chess Festival 2025 Challengers 960
Site: Biel, Switzerland
Date: 2025-07-12
White: Ma, Qun
WhiteTitle: GM
WhiteElo: 2615
Black: Theodorou, Nikolas
BlackTitle: GM
BlackElo: 2625
Result: 1-0
Variant: Fischerandom
TimeControl: 15 min + 5 sec per move

1. e4 { [%eval 0.0] [%clk 0:14:54] } 1... g5 { [%eval 0.1] [%clk 0:14:51] } 2. g3 { [%eval -0.44] [%clk 0:14:30] } 2... c5?! { [%eval 0.56] } { Inaccuracy. f5 was best. } { [%clk 0:14:40] } 3. Ne3 { [%eval 0.38] [%clk 0:13:20] } 3... Nbc6 { [%eval 0.53] [%clk 0:14:38] } 4. Nc3 { [%eval 0.37] [%clk 0:13:21] } 4... d6 { [%eval 0.57] [%clk 0:14:19] } 5. d3 { [%eval 0.31] [%clk 0:12:53] } 5... Nd4 { [%eval 0.49] [%clk 0:13:22] } 6. Ne2 { [%eval 0.09] [%clk 0:11:27] } 6... N8c6 { [%eval 0.56] [%clk 0:12:59] } 7. c3 { [%eval 0.59] [%clk 0:11:30] } 7... Nb5 { [%eval 0.82] [%clk 0:12:33] } 8. f4 { [%eval 0.82] [%clk 0:11:26] } 8... gxf4 { [%eval 1.17] [%clk 0:12:22] } 9. gxf4 { [%eval 1.11] [%clk 0:11:27] } 9... Rxg1 { [%eval 1.12] [%clk 0:12:09] } 10. Qxg1 { [%eval 1.09] [%clk 0:10:48] } 10... O-O-O { [%eval 1.01] [%clk 0:11:52] } 11. O-O-O { [%eval 1.07] [%clk 0:09:28] } 11... Kb8 { [%eval 1.09] [%clk 0:10:41] } 12. Bd2 { [%eval 0.72] [%clk 0:08:14] } 12... a5 { [%eval 0.77] [%clk 0:11:26] } 13. Nc2 { [%eval 0.67] [%clk 0:06:46] } 13... f5 { [%eval 0.64] [%clk 0:08:57] } 14. e5 { [%eval 0.71] [%clk 0:06:40] } 14... dxe5 { [%eval 0.6] [%clk 0:08:14] } 15. Qxc5 { [%eval 0.74] [%clk 0:06:38] } 15... Nc7?! { [%eval 1.35] } { Inaccuracy. Nba7 was best. } { [%clk 0:07:54] } 16. Bxc6 { [%eval 1.17] [%clk 0:06:06] } 16... Bxc6 { [%eval 1.14] [%clk 0:07:57] } 17. Be3? { [%eval 0.0] } { Mistake. fxe5 was best. } { [%clk 0:06:09] } 17... exf4 { [%eval 0.0] [%clk 0:06:54] } 18. Nxf4 { [%eval 0.0] [%clk 0:03:34] } 18... e5 { [%eval -0.03] [%clk 0:06:51] } 19. Qxa5 { [%eval -0.2] [%clk 0:03:38] } 19... Qd6? { [%eval 1.45] } { Mistake. exf4 was best. } { [%clk 0:05:03] } 20. Ne2? { [%eval 0.0] } { Mistake. Na3 was best. } { [%clk 0:02:01] } 20... Bf3 { [%eval 0.0] [%clk 0:05:00] } 21. Rd2 { [%eval 0.0] [%clk 0:01:32] } 21... Bxe2 { [%eval 0.0] [%clk 0:05:01] } 22. Rxe2?! { [%eval -0.72] } { Inaccuracy. Na3 was best. } { [%clk 0:01:35] } 22... Qxd3 { [%eval -0.96] [%clk 0:05:04] } 23. Re1 { [%eval -0.83] [%clk 0:01:32] } 23... f4 { [%eval -0.93] [%clk 0:05:07] } 24. Ba7+ { [%eval -0.83] [%clk 0:00:51] } 24... Kc8 { [%eval -0.9] [%clk 0:05:09] } 25. a3 { [%eval -1.02] [%clk 0:00:41] } 25... Qb5 { [%eval -0.89] [%clk 0:03:50] } 26. Bb6?! { [%eval -1.86] } { Inaccuracy. Qxb5 was best. } { [%clk 0:00:15] } 26... Qxa5 { [%eval -1.81] [%clk 0:03:45] } 27. Bxa5 { [%eval -1.7] [%clk 0:00:18] } 27... Rd3?! { [%eval -0.92] } { Inaccuracy. Bf6 was best. } { [%clk 0:03:46] } 28. Rg1?! { [%eval -1.72] } { Inaccuracy. a4 was best. } { [%clk 0:00:15] } 28... Ne6?? { [%eval 1.69] } { Blunder. Kd7 was best. } { [%clk 0:02:26] } 29. Rg8+ { [%eval 2.16] [%clk 0:00:08] } 29... Kd7 { [%eval 1.96] [%clk 0:02:30] } 30. Rxh8 { [%eval 1.98] [%clk 0:00:10] } 30... f3? { [%eval 4.19] } { Mistake. Rh3 was best. } { [%clk 0:02:34] } 31. Bb6 { [%eval 3.96] [%clk 0:00:13] } 31... Ke7 { [%eval 4.83] [%clk 0:02:03] } 32. Rxh7+ { [%eval 4.69] [%clk 0:00:13] } 32... Kf6 { [%eval 4.52] [%clk 0:02:07] } 33. Ne1 { [%eval 4.52] [%clk 0:00:09] } 33... Rd6 { [%eval 4.43] [%clk 0:01:57] } 34. Be3 { [%eval 4.42] [%clk 0:00:09] } 34... e4 { [%eval 4.32] [%clk 0:02:00] } 35. Rh6+ { [%eval 4.35] [%clk 0:00:10] } 35... Kf5 { [%eval 4.31] [%clk 0:02:01] } 36. Rh5+ { [%eval 4.24] [%clk 0:00:14] } 36... Kf6 { [%eval 4.26] [%clk 0:01:52] } 37. Kc2 { [%eval 4.3] [%clk 0:00:10] } 37... Rd7 { [%eval 4.3] [%clk 0:01:54] } 38. Rh6+ { [%eval 4.29] [%clk 0:00:13] } 38... Kf5 { [%eval 4.29] [%clk 0:01:58] } 39. Rh5+ { [%eval 4.35] [%clk 0:00:17] } 39... Kf6 { [%eval 4.28] [%clk 0:02:02] } 40. Nxf3 { [%eval 4.23] [%clk 0:00:15] } 40... exf3 { [%eval 4.23] [%clk 0:02:05] } 41. Rh3 { [%eval 4.26] [%clk 0:00:19] } 41... Kf5 { [%eval 4.5] [%clk 0:01:43] } 42. Rxf3+ { [%eval 4.54] [%clk 0:00:22] } 42... Ke4 { [%eval 4.52] [%clk 0:01:46] } 43. Rh3 { [%eval 4.46] [%clk 0:00:25] } 43... Rg7 { [%eval 4.51] [%clk 0:01:48] } 44. Bc1 { [%eval 4.05] [%clk 0:00:08] } 44... Rg2+ { [%eval 4.01] [%clk 0:01:51] } 45. Kb1 { [%eval 4.04] [%clk 0:00:12] } 45... Nc5 { [%eval 4.23] [%clk 0:01:53] } 46. Rh4+ { [%eval 4.09] [%clk 0:00:11] } 46... Kd5 { [%eval 4.08] [%clk 0:01:43] } 47. Rd4+ { [%eval 4.06] [%clk 0:00:14] } 47... Kc6 { [%eval 4.1] [%clk 0:01:53] } 48. h4 { [%eval 4.03] [%clk 0:00:15] } 48... Nb3 { [%eval 4.47] [%clk 0:01:55] } 49. Rd1 { [%eval 4.03] [%clk 0:00:18] } 49... Rh2 { [%eval 4.1] [%clk 0:01:59] } 50. Bg5 { [%eval 4.04] [%clk 0:00:10] } 50... Kc5 { [%eval 4.88] [%clk 0:01:46] } 51. Ka2 { [%eval 4.84] [%clk 0:00:14] } 51... Kc4 { [%eval 4.81] [%clk 0:01:50] } 52. Rd7 { [%eval 4.72] [%clk 0:00:10] } 52... Nc5 { [%eval 4.72] [%clk 0:01:21] } 53. Rd4+ { [%eval 4.75] [%clk 0:00:13] } 53... Kb5 { [%eval 4.68] [%clk 0:01:25] } 54. Be7 { [%eval 4.7] [%clk 0:00:09] } 54... Na4 { [%eval 4.72] [%clk 0:01:18] } 55. Rb4+ { [%eval 4.71] [%clk 0:00:08] } 55... Ka5 { [%eval 4.57] [%clk 0:01:22] } 56. Bf6 { [%eval 4.6] [%clk 0:00:08] } 56... b6 { [%eval 4.92] [%clk 0:01:03] } 57. c4 { [%eval 4.74] [%clk 0:00:06] } 57... Nc5 { [%eval 4.99] [%clk 0:01:06] } 58. Bd4 { [%eval 4.69] [%clk 0:00:07] } 58... Nd7 { [%eval 5.08] [%clk 0:01:09] } 59. Rb5+ { [%eval 5.31] [%clk 0:00:11] } 59... Ka6 { [%eval 5.24] [%clk 0:01:12] } 60. Rd5 { [%eval 5.21] [%clk 0:00:15] } 60... Nb8 { [%eval 5.29] [%clk 0:00:52] } 61. Rd6 { [%eval 5.18] [%clk 0:00:19] } 61... Rxh4 { [%eval 5.92] [%clk 0:00:55] } 62. Rxb6+ { [%eval 5.81] [%clk 0:00:19] } 62... Ka7 { [%eval 5.63] [%clk 0:00:59] } 63. Rd6+?! { [%eval 4.38] } { Inaccuracy. Bf2 was best. } { [%clk 0:00:21] } 63... Kb7 { [%eval 4.38] [%clk 0:01:03] } 1-0