Event: Biel Chess Festival 2025 Challengers Final
Site: Biel, Switzerland
Date: 2025-05-17
White: Theodorou, Nikolas
WhiteTitle: GM
WhiteElo: 2625
Black: Navara, David
BlackTitle: GM
BlackElo: 2662
Result: 1-0
ECO: E20
Opening: Nimzo-Indian Defense: Romanishin Variation
Variant: Standard
TimeControl: 120 min 40 moves + 30 min Rest + 30 sec as of move 41

1. d4 { [%eval 0.17] [%clk 1:58:55] } 1... Nf6 { [%eval 0.19] [%clk 1:59:54] } 2. c4 { [%eval 0.18] [%clk 1:58:48] } 2... e6 { [%eval 0.14] [%clk 1:59:50] } 3. Nc3 { [%eval 0.09] [%clk 1:58:43] } 3... Bb4 { [%eval 0.09] [%clk 1:59:46] } 4. g3 { [%eval 0.0] [%clk 1:58:21] } 4... O-O { [%eval 0.0] [%clk 1:59:00] } 5. Bg2 { [%eval 0.0] [%clk 1:57:41] } 5... d5 { [%eval 0.0] [%clk 1:58:42] } 6. a3 { [%eval 0.0] [%clk 1:57:24] } 6... Be7 { [%eval 0.13] [%clk 1:57:03] } 7. Nf3 { [%eval 0.1] [%clk 1:57:05] } 7... dxc4 { [%eval 0.0] [%clk 1:56:52] } 8. Ne5 { [%eval 0.15] [%clk 1:56:52] } 8... Nc6 { [%eval 0.11] [%clk 1:56:36] } 9. Bxc6 { [%eval 0.19] [%clk 1:56:34] } 9... bxc6 { [%eval 0.16] [%clk 1:56:32] } 10. Nxc6 { [%eval 0.13] [%clk 1:56:29] } 10... Qe8 { [%eval 0.12] [%clk 1:55:50] } 11. Nxe7+ { [%eval 0.12] [%clk 1:56:22] } 11... Qxe7 { [%eval 0.13] [%clk 1:55:43] } 12. Qa4 { [%eval 0.2] [%clk 1:56:13] } 12... c5 { [%eval 0.14] [%clk 1:54:42] } 13. dxc5 { [%eval 0.11] [%clk 1:55:55] } 13... Qxc5 { [%eval 0.16] [%clk 1:54:32] } 14. Be3 { [%eval 0.08] [%clk 1:55:15] } 14... Qc7 { [%eval 0.01] [%clk 1:54:04] } 15. Rd1 { [%eval 0.09] [%clk 1:54:51] } 15... e5 { [%eval 0.03] [%clk 1:43:25] } 16. f3 { [%eval 0.01] [%clk 1:41:14] } 16... Bb7 { [%eval 0.38] [%clk 1:33:29] } 17. O-O { [%eval 0.17] [%clk 1:33:54] } 17... e4 { [%eval 0.26] [%clk 1:30:11] } 18. fxe4 { [%eval 0.3] [%clk 1:18:03] } 18... Nxe4 { [%eval 0.33] [%clk 1:15:16] } 19. Qd7 { [%eval 0.32] [%clk 1:14:45] } 19... Qc6 { [%eval 0.25] [%clk 1:06:29] } 20. Qxc6 { [%eval 0.3] [%clk 1:10:51] } 20... Bxc6 { [%eval 0.32] [%clk 1:06:17] } 21. Nxe4 { [%eval 0.34] [%clk 1:09:23] } 21... Bxe4 { [%eval 0.23] [%clk 1:05:53] } 22. Rd4 { [%eval 0.11] [%clk 0:56:56] } 22... Rfe8 { [%eval 0.21] [%clk 1:02:16] } 23. Rxc4 { [%eval 0.23] [%clk 0:56:31] } 23... Bd5 { [%eval 0.17] [%clk 0:59:24] } 24. Rc3 { [%eval 0.17] [%clk 0:56:17] } 24... a5 { [%eval 0.12] [%clk 0:58:18] } 25. b3 { [%eval 0.23] [%clk 0:50:30] } 25... Rac8 { [%eval 0.26] [%clk 0:49:35] } 26. Rxc8 { [%eval 0.04] [%clk 0:43:21] } 26... Rxc8 { [%eval 0.13] [%clk 0:49:05] } 27. b4 { [%eval 0.2] [%clk 0:38:48] } 27... axb4 { [%eval 0.18] [%clk 0:47:28] } 28. axb4 { [%eval 0.12] [%clk 0:38:45] } 28... Rc3 { [%eval 0.26] [%clk 0:22:22] } 29. Rd1 { [%eval 0.1] [%clk 0:25:48] } 29... Rxe3 { [%eval 0.13] [%clk 0:22:08] } 30. Rxd5 { [%eval 0.22] [%clk 0:25:43] } 30... Kf8 { [%eval 0.28] [%clk 0:14:19] } 31. Kf2 { [%eval 0.38] [%clk 0:23:42] } 31... Rb3 { [%eval 0.11] [%clk 0:07:05] } 32. b5 { [%eval 0.0] [%clk 0:13:36] } 32... Ke7 { [%eval 0.0] [%clk 0:06:59] } 33. h4 { [%eval 0.0] [%clk 0:10:32] } 33... g6 { [%eval 0.0] [%clk 0:02:12] } 34. g4 { [%eval 0.0] [%clk 0:09:35] } 34... Ke6 { [%eval 0.0] [%clk 0:02:10] } 35. e4 { [%eval 0.0] [%clk 0:09:31] } 35... h6 { [%eval 0.0] [%clk 0:01:43] } 36. h5 { [%eval 0.06] [%clk 0:04:21] } 36... gxh5?? { [%eval 3.76] } { Blunder. Rc3 was best. } { [%clk 0:00:47] } 37. gxh5 { [%eval 3.88] [%clk 0:03:09] } 37... Rc3 { [%eval 3.68] [%clk 0:00:45] } 38. Ke2 { [%eval 3.99] [%clk 0:02:48] } 38... Rb3 { [%eval 4.29] [%clk 0:00:42] } 39. Kd2 { [%eval 4.09] [%clk 0:02:37] } 39... Rb4 { [%eval 4.49] [%clk 0:00:40] } 40. Kd3 { [%eval 4.87] [%clk 0:31:07] } 40... f6 { [%eval 4.91] [%clk 0:31:08] } 41. Rc5 { [%eval 4.78] [%clk 0:29:03] } 41... Kd7 { [%eval 5.15] [%clk 0:26:36] } 42. Ke3 { [%eval 5.07] [%clk 0:22:00] } 42... Kd6 { [%eval 5.01] [%clk 0:26:05] } 43. Rd5+ { [%eval 4.7] [%clk 0:22:25] } 43... Ke7 { [%eval 4.59] [%clk 0:26:22] } 44. Kf4 { [%eval 4.49] [%clk 0:21:33] } 44... Ke6 { [%eval 4.87] [%clk 0:24:07] } 45. Rc5 { [%eval 4.4] [%clk 0:21:44] } 45... Rb1 { [%eval 4.34] [%clk 0:23:51] } 46. Rc6+ { [%eval 4.26] [%clk 0:21:30] } 46... Ke7 { [%eval 4.27] [%clk 0:24:11] } 47. b6?? { [%eval 0.33] } { Blunder. Rc5 was best. } { [%clk 0:18:59] } 47... Rb5 { [%eval 0.55] [%clk 0:22:32] } 48. Rc7+ { [%eval 0.75] [%clk 0:14:21] } 48... Kd6?? { [%eval 4.69] } { Blunder. Ke6 was best. } { [%clk 0:21:28] } 49. Rc8 { [%eval 5.01] [%clk 0:12:57] } 49... Rxb6 { [%eval 5.01] [%clk 0:07:31] } 50. Kf5 { [%eval 4.72] [%clk 0:12:46] } 50... Rb5+ { [%eval 5.02] [%clk 0:07:03] } 51. Kxf6 { [%eval 4.93] [%clk 0:08:33] } 51... Rxh5 { [%eval 5.61] [%clk 0:07:24] } 52. Rd8+ { [%eval 5.56] [%clk 0:08:44] } 52... Kc7 { [%eval 5.46] [%clk 0:07:50] } 53. Rd3 { [%eval 5.27] [%clk 0:07:06] } 53... Rh2 { [%eval 5.08] [%clk 0:06:05] } 54. e5 { [%eval 6.01] [%clk 0:07:22] } 54... h5 { [%eval 5.83] [%clk 0:05:53] } 55. e6 { [%eval 5.72] [%clk 0:07:20] } 55... h4 { [%eval 5.74] [%clk 0:05:33] } 56. e7 { [%eval 5.32] [%clk 0:05:20] } 56... Rf2+ { [%eval 6.37] [%clk 0:05:55] } 57. Ke6 { [%eval 6.45] [%clk 0:05:43] } 57... Re2+ { [%eval 5.61] [%clk 0:06:21] } 58. Kf7 { [%eval 5.57] [%clk 0:06:09] } 58... Rf2+ { [%eval 5.13] [%clk 0:06:47] } 59. Kg7 { [%eval 5.98] [%clk 0:06:18] } 59... Rg2+ { [%eval 6.65] [%clk 0:07:00] } 60. Kf8 { [%eval 6.4] [%clk 0:06:42] } 60... Rf2+ { [%eval 5.35] [%clk 0:07:23] } 61. Ke8 { [%eval 5.29] [%clk 0:07:09] } 61... Rf1?! { [%eval 7.09] } { Inaccuracy. Ra2 was best. } { [%clk 0:03:43] } 62. Rc3+ { [%eval 6.79] [%clk 0:06:16] } 62... Kb6 { [%eval 6.59] [%clk 0:03:45] } 63. Rh3 { [%eval 5.98] [%clk 0:05:03] } 63... Rf4 { [%eval 7.24] [%clk 0:04:09] } 64. Kd7 { [%eval 12.14] [%clk 0:05:26] } 64... Rd4+ { [%eval 11.54] [%clk 0:04:36] } 65. Ke6 { [%eval 9.4] [%clk 0:05:51] } 65... Re4+ { [%eval 9.22] [%clk 0:05:04] } 66. Kd6 { [%eval 9.46] [%clk 0:05:30] } 66... Kb7? { [%eval #24] } { Checkmate is now unavoidable. Ka5 was best. } { [%clk 0:05:17] } 67. Rb3+ { [%eval #24] [%clk 0:02:21] } 67... Kc8 { [%eval #17] [%clk 0:05:32] } 68. Rc3+ { [%eval #26] [%clk 0:02:02] } 68... Kb7 { [%eval 10.07] [%clk 0:05:57] } 69. Kd7 { [%eval 7.78] [%clk 0:02:29] } 69... Rd4+ { [%eval 6.96] [%clk 0:06:21] } 70. Ke6 { [%eval 7.41] [%clk 0:02:56] } 70... Re4+ { [%eval 7.3] [%clk 0:06:46] } 71. Kf6 { [%eval 6.87] [%clk 0:03:23] } 71... Re2 { [%eval 8.93] [%clk 0:05:56] } 72. Rf3 { [%eval 8.09] [%clk 0:03:22] } 72... h3 { [%eval 8.69] [%clk 0:05:45] } 73. Rxh3 { [%eval 7.55] [%clk 0:03:24] } 73... Rf2+ { [%eval 6.2] [%clk 0:05:56] } 74. Ke6 { [%eval 9.64] [%clk 0:03:10] } 74... Re2+ { [%eval 9.11] [%clk 0:06:22] } 75. Kd7 { [%eval 8.32] [%clk 0:03:32] } 75... Rd2+ { [%eval 6.89] [%clk 0:06:48] } 76. Ke8 { [%eval 5.74] [%clk 0:03:55] } 1-0