Event: Biel Chess Festival 2025 Challengers 960
Site: Biel, Switzerland
Date: 2025-05-17
White: Theodorou, Nikolas
WhiteTitle: GM
WhiteElo: 2625
Black: Dardha, Daniel
BlackTitle: GM
BlackElo: 2627
Result: 0-1
Variant: Fischerandom
TimeControl: 15 min + 5 sec per move

1. g4 { [%eval -0.24] [%clk 0:14:01] } 1... e5 { [%eval -0.12] [%clk 0:14:10] } 2. c3 { [%eval -0.41] [%clk 0:12:07] } 2... Nb6 { [%eval -0.37] [%clk 0:13:33] } 3. a4 { [%eval -0.54] [%clk 0:11:44] } 3... d6?! { [%eval 0.3] } { Inaccuracy. a5 was best. } { [%clk 0:12:54] } 4. a5 { [%eval 0.18] [%clk 0:11:14] } 4... Bc6 { [%eval 0.17] [%clk 0:12:55] } 5. e4 { [%eval 0.25] [%clk 0:11:17] } 5... Nbd7 { [%eval 0.26] [%clk 0:12:45] } 6. b4 { [%eval 0.32] [%clk 0:11:20] } 6... b5 { [%eval 0.75] [%clk 0:11:46] } 7. Bb3 { [%eval 0.74] [%clk 0:06:29] } 7... Ne6 { [%eval 0.7] [%clk 0:11:31] } 8. O-O-O { [%eval 0.66] [%clk 0:06:18] } 8... Bg5 { [%eval 1.01] [%clk 0:10:03] } 9. h4 { [%eval 1.0] [%clk 0:06:11] } 9... Bf4 { [%eval 1.04] [%clk 0:10:07] } 10. Ne3 { [%eval 1.03] [%clk 0:06:02] } 10... g6 { [%eval 1.14] [%clk 0:08:06] } 11. Nac2 { [%eval 1.07] [%clk 0:05:45] } 11... Bb7 { [%eval 1.04] [%clk 0:06:54] } 12. Kb1 { [%eval 1.02] [%clk 0:05:18] } 12... c5 { [%eval 0.94] [%clk 0:05:31] } 13. d3 { [%eval 0.84] [%clk 0:05:00] } 13... a6 { [%eval 0.79] [%clk 0:04:56] } 14. g5 { [%eval 0.35] [%clk 0:04:31] } 14... h6 { [%eval 0.34] [%clk 0:04:46] } 15. gxh6 { [%eval 0.26] [%clk 0:04:28] } 15... Qxh6 { [%eval 0.26] [%clk 0:04:22] } 16. Qh3 { [%eval 0.17] [%clk 0:03:02] } 16... Re8 { [%eval 0.32] [%clk 0:03:57] } 17. Nd5 { [%eval 0.2] [%clk 0:02:53] } 17... Bc6 { [%eval 0.63] [%clk 0:03:06] } 18. f3 { [%eval 0.68] [%clk 0:02:40] } 18... Kb7 { [%eval 0.65] [%clk 0:02:52] } 19. Bf2 { [%eval 0.67] [%clk 0:02:44] } 19... Rbc8 { [%eval 0.57] [%clk 0:02:40] } 20. Kb2 { [%eval 0.38] [%clk 0:02:47] } 20... Qf8?! { [%eval 1.0] } { Inaccuracy. Bxd5 was best. } { [%clk 0:01:48] } 21. Qf1?! { [%eval 0.19] } { Inaccuracy. h5 was best. } { [%clk 0:01:59] } 21... Bh6?! { [%eval 0.74] } { Inaccuracy. Bxd5 was best. } { [%clk 0:01:38] } 22. h5 { [%eval 0.74] [%clk 0:01:32] } 22... gxh5 { [%eval 0.88] [%clk 0:01:35] } 23. Rh1?! { [%eval -0.13] } { Inaccuracy. Qh3 was best. } { [%clk 0:01:36] } 23... Nf4? { [%eval 1.05] } { Mistake. Bxd5 was best. } { [%clk 0:01:24] } 24. Nce3? { [%eval -0.22] } { Mistake. Nxf4 was best. } { [%clk 0:01:29] } 24... Kb8?! { [%eval 0.61] } { Inaccuracy. Bxd5 was best. } { [%clk 0:01:05] } 25. Nf5?! { [%eval -0.43] } { Inaccuracy. Nxf4 was best. } { [%clk 0:00:38] } 25... Bxd5 { [%eval -0.48] [%clk 0:00:44] } 26. exd5 { [%eval -0.51] [%clk 0:00:33] } 26... Bg5 { [%eval -0.19] [%clk 0:00:38] } 27. c4? { [%eval -1.71] } { Mistake. Ka3 was best. } { [%clk 0:00:30] } 27... cxb4 { [%eval -1.82] [%clk 0:00:34] } 28. cxb5 { [%eval -1.33] [%clk 0:00:29] } 28... Rc3 { [%eval -1.14] [%clk 0:00:35] } 29. Be1 { [%eval -1.69] [%clk 0:00:16] } 29... Rec8 { [%eval -1.44] [%clk 0:00:25] } 30. Bxc3?! { [%eval -2.4] } { Inaccuracy. d4 was best. } { [%clk 0:00:18] } 30... Rxc3 { [%eval -2.38] [%clk 0:00:19] } 31. d4 { [%eval -2.16] [%clk 0:00:23] } 31... Qc8?? { [%eval 0.0] } { Blunder. exd4 was best. } { [%clk 0:00:09] } 32. bxa6 { [%eval 0.0] [%clk 0:00:16] } 32... Rxb3+ { [%eval 0.0] [%clk 0:00:07] } 33. Kxb3 { [%eval 0.0] [%clk 0:00:19] } 33... Qc3+ { [%eval 0.0] [%clk 0:00:11] } 34. Ka4 { [%eval 0.0] [%clk 0:00:22] } 34... Qc2+ { [%eval 0.0] [%clk 0:00:08] } 35. Kb5 { [%eval 0.0] [%clk 0:00:18] } 35... Nxd5 { [%eval 0.0] [%clk 0:00:08] } 36. Qc4 { [%eval 0.0] [%clk 0:00:14] } 36... Nc7+ { [%eval 0.0] [%clk 0:00:07] } 37. Kxb4 { [%eval 0.0] [%clk 0:00:18] } 37... Bd2+?? { [%eval 6.34] } { Blunder. Nxa6+ was best. } { [%clk 0:00:07] } 38. Rxd2 { [%eval 6.32] [%clk 0:00:18] } 38... Qxd2+ { [%eval 6.08] [%clk 0:00:06] } 39. Ka4 { [%eval 5.89] [%clk 0:00:16] } 39... exd4?? { [%eval #12] } { Checkmate is now unavoidable. Qb2 was best. } { [%clk 0:00:06] } 40. Rb1+? { [%eval 7.02] } { Lost forced checkmate sequence. a7+ was best. } { [%clk 0:00:15] } 40... Kc8 { [%eval 6.66] [%clk 0:00:09] } 41. Nxd6+ { [%eval 6.33] [%clk 0:00:12] } 41... Kd8 { [%eval 7.24] [%clk 0:00:13] } 42. a7?? { [%eval 0.0] } { Blunder. Ne4 was best. } { [%clk 0:00:10] } 42... Nc5+ { [%eval 0.0] [%clk 0:00:13] } 43. Qxc5 { [%eval 0.0] [%clk 0:00:07] } 43... Qa2+ { [%eval 0.0] [%clk 0:00:17] } 44. Qa3 { [%eval 0.02] [%clk 0:00:10] } 44... Qxb1 { [%eval 0.0] [%clk 0:00:19] } 45. Nxf7+ { [%eval 0.0] [%clk 0:00:08] } 45... Ke8 { [%eval 0.0] [%clk 0:00:21] } 46. Nd6+ { [%eval 0.0] [%clk 0:00:09] } 46... Kd7 { [%eval -0.01] [%clk 0:00:25] } 47. Qc5 { [%eval 0.0] [%clk 0:00:08] } 47... Qa2+ { [%eval 0.0] [%clk 0:00:28] } 48. Kb4 { [%eval 0.0] [%clk 0:00:07] } 48... Na6+ { [%eval 0.0] [%clk 0:00:07] } 49. Kb5 { [%eval 0.0] [%clk 0:00:11] } 49... Nxc5 { [%eval 0.0] [%clk 0:00:09] } 50. a8=Q { [%eval 0.0] [%clk 0:00:14] } 50... Kxd6 { [%eval 0.0] [%clk 0:00:07] } 51. Qf8+ { [%eval 0.0] [%clk 0:00:11] } 51... Kd7 { [%eval 0.0] [%clk 0:00:07] } 52. Qg7+ { [%eval 0.0] [%clk 0:00:10] } 52... Ke8 { [%eval 0.0] [%clk 0:00:06] } 53. Qh8+ { [%eval 0.0] [%clk 0:00:09] } 53... Ke7 { [%eval 0.0] [%clk 0:00:08] } 54. Qg7+ { [%eval 0.0] [%clk 0:00:06] } 54... Qf7 { [%eval 0.0] [%clk 0:00:09] } 55. Qg5+ { [%eval 0.0] [%clk 0:00:09] } 55... Kd7 { [%eval 0.0] [%clk 0:00:08] } 56. Qxc5?? { [%eval -4.99] } { Blunder. Kxc5 was best. } { [%clk 0:00:09] } 56... Qb3+ { [%eval -5.32] [%clk 0:00:11] } 57. Ka6 { [%eval -5.22] [%clk 0:00:12] } 57... d3 { [%eval -4.98] [%clk 0:00:11] } 58. Qd4+ { [%eval -5.33] [%clk 0:00:13] } 58... Ke6 { [%eval -4.71] [%clk 0:00:10] } 59. Qe4+ { [%eval -5.09] [%clk 0:00:14] } 59... Kf6 { [%eval -4.19] [%clk 0:00:13] } 60. Qf4+ { [%eval -3.91] [%clk 0:00:16] } 60... Ke7 { [%eval -4.01] [%clk 0:00:16] } 61. Qc7+ { [%eval -3.76] [%clk 0:00:15] } 61... Ke6 { [%eval -4.1] [%clk 0:00:16] } 62. Qc6+ { [%eval -4.3] [%clk 0:00:16] } 62... Ke5 { [%eval -3.97] [%clk 0:00:18] } 63. Qe4+?! { [%eval -5.08] } { Inaccuracy. Qc5+ was best. } { [%clk 0:00:17] } 63... Kd6 { [%eval -4.6] [%clk 0:00:22] } 64. Qg6+ { [%eval -4.84] [%clk 0:00:15] } 64... Kc5 { [%eval -4.36] [%clk 0:00:18] } 65. Qxh5+?? { [%eval #-12] } { Checkmate is now unavoidable. Qg5+ was best. } { [%clk 0:00:09] } 65... Qd5 { [%eval #-11] [%clk 0:00:22] } 66. Qh8 { [%eval #-11] [%clk 0:00:06] } 66... d2 { [%clk 0:00:21] } 0-1