Event: Biel Chess Festival 2025 Challengers 960
Site: Biel, Switzerland
Date: 2025-07-12
White: Navara, David
WhiteTitle: GM
WhiteElo: 2662
Black: Fedoseev, Vladimir
BlackTitle: GM
BlackElo: 2739
Result: 0-1
Variant: Fischerandom
TimeControl: 15 min + 5 sec per move

1. b3 { [%eval 0.25] [%clk 0:15:04] } 1... d6?! { [%eval 0.97] } { Inaccuracy. b6 was best. } { [%clk 0:10:26] } 2. c4?! { [%eval 0.39] } { Inaccuracy. g4 was best. } { [%clk 0:14:34] } 2... e5 { [%eval 0.61] [%clk 0:09:34] } 3. g4 { [%eval 0.78] [%clk 0:13:45] } 3... Ne7 { [%eval 1.34] [%clk 0:09:16] } 4. e3 { [%eval 1.18] [%clk 0:13:16] } 4... Nd7 { [%eval 1.34] [%clk 0:08:26] } 5. Nc3 { [%eval 1.33] [%clk 0:12:03] } 5... c6 { [%eval 1.61] [%clk 0:07:58] } 6. Nd3 { [%eval 1.56] [%clk 0:11:12] } 6... Bc7 { [%eval 1.52] [%clk 0:07:44] } 7. Bf3 { [%eval 1.18] [%clk 0:10:40] } 7... O-O-O { [%eval 1.23] [%clk 0:07:41] } 8. O-O-O { [%eval 1.2] [%clk 0:10:31] } 8... Rgf8 { [%eval 1.29] [%clk 0:07:41] } 9. Bg2 { [%eval 1.22] [%clk 0:09:12] } 9... f6 { [%eval 1.5] [%clk 0:07:29] } 10. f4 { [%eval 1.22] [%clk 0:09:11] } 10... Qg8 { [%eval 1.56] [%clk 0:07:25] } 11. h4 { [%eval 1.55] [%clk 0:08:38] } 11... Kb8 { [%eval 1.62] [%clk 0:06:49] } 12. Kb1 { [%eval 1.65] [%clk 0:08:15] } 12... h6 { [%eval 1.78] [%clk 0:05:50] } 13. Bb2 { [%eval 1.72] [%clk 0:08:12] } 13... Nb6 { [%eval 1.91] [%clk 0:04:58] } 14. Ka1 { [%eval 1.57] [%clk 0:07:46] } 14... Rfe8 { [%eval 2.0] [%clk 0:04:54] } 15. g5 { [%eval 2.02] [%clk 0:07:15] } 15... hxg5 { [%eval 1.96] [%clk 0:04:52] } 16. hxg5 { [%eval 1.46] [%clk 0:07:30] } 16... f5 { [%eval 1.59] [%clk 0:04:55] } 17. c5?! { [%eval 0.93] } { Inaccuracy. e4 was best. } { [%clk 0:07:06] } 17... dxc5 { [%eval 1.02] [%clk 0:04:44] } 18. Nxe5 { [%eval 1.01] [%clk 0:07:09] } 18... c4 { [%eval 0.97] [%clk 0:04:48] } 19. b4 { [%eval 1.07] [%clk 0:06:45] } 19... Nbd5 { [%eval 1.5] [%clk 0:04:14] } 20. a3?! { [%eval 0.44] } { Inaccuracy. Bxd5 was best. } { [%clk 0:06:14] } 20... b5 { [%eval 0.47] [%clk 0:04:16] } 21. Qh5 { [%eval 0.15] [%clk 0:05:24] } 21... Bxe5 { [%eval 0.09] [%clk 0:03:59] } 22. fxe5 { [%eval 0.09] [%clk 0:05:28] } 22... Nxc3 { [%eval 0.03] [%clk 0:03:47] } 23. Bxc3 { [%eval 0.04] [%clk 0:05:31] } 23... c5 { [%eval 0.06] [%clk 0:03:45] } 24. Bxa8 { [%eval 0.07] [%clk 0:05:14] } 24... Kxa8 { [%eval 0.03] [%clk 0:03:49] } 25. bxc5 { [%eval 0.07] [%clk 0:05:09] } 25... Qe6 { [%eval 0.28] [%clk 0:02:56] } 26. Qf3+ { [%eval 0.39] [%clk 0:04:29] } 26... Nd5 { [%eval 0.42] [%clk 0:02:50] } 27. Rb1 { [%eval 0.19] [%clk 0:04:11] } 27... Qa6 { [%eval 0.52] [%clk 0:02:27] } 28. Rb2 { [%eval 0.51] [%clk 0:03:38] } 28... Qc6 { [%eval 0.69] [%clk 0:01:16] } 29. Rgb1 { [%eval 0.49] [%clk 0:02:45] } 29... a6 { [%eval 0.31] [%clk 0:01:09] } 30. Ba5 { [%eval 0.24] [%clk 0:02:02] } 30... Rc8 { [%eval 0.34] [%clk 0:00:55] } 31. Qxf5 { [%eval 0.55] [%clk 0:02:04] } 31... Qxc5 { [%eval 0.7] [%clk 0:00:59] } 32. Bb4?! { [%eval -0.34] } { Inaccuracy. Qg6 was best. } { [%clk 0:02:08] } 32... Nxb4 { [%eval -0.29] [%clk 0:00:54] } 33. axb4 { [%eval -0.4] [%clk 0:01:45] } 33... Qxe5 { [%eval -0.39] [%clk 0:00:51] } 34. Rf1 { [%eval -0.3] [%clk 0:01:27] } 34... Qd6 { [%eval -0.24] [%clk 0:00:48] } 35. Qf4?! { [%eval -0.9] } { Inaccuracy. Rf4 was best. } { [%clk 0:00:39] } 35... Re5 { [%eval -0.92] [%clk 0:00:52] } 36. Rc2 { [%eval -1.15] [%clk 0:00:10] } 36... Rce8 { [%eval -1.19] [%clk 0:00:43] } 37. Rb2 { [%eval -1.3] [%clk 0:00:08] } 37... Kb7 { [%eval -1.3] [%clk 0:00:37] } 38. Qg3 { [%eval -1.18] [%clk 0:00:08] } 38... R8e7 { [%eval -1.31] [%clk 0:00:26] } 39. g6 { [%eval -1.21] [%clk 0:00:08] } 39... R5e6 { [%eval -1.33] [%clk 0:00:30] } 40. Qxd6 { [%eval -1.5] [%clk 0:00:08] } 40... Rxd6 { [%eval -1.32] [%clk 0:00:34] } 41. Rf7 { [%eval -1.33] [%clk 0:00:08] } 41... Rxf7? { [%eval 0.0] } { Mistake. Rc7 was best. } { [%clk 0:00:34] } 42. gxf7 { [%eval 0.0] [%clk 0:00:11] } 42... Rf6 { [%eval 0.0] [%clk 0:00:37] } 43. Rb1 { [%eval 0.0] [%clk 0:00:16] } 43... Rxf7 { [%eval -0.25] [%clk 0:00:37] } 44. Rg1?? { [%eval -3.21] } { Blunder. Kb2 was best. } { [%clk 0:00:20] } 44... Rd7?? { [%eval -0.13] } { Blunder. Rf2 was best. } { [%clk 0:00:40] } 45. Rg2 { [%eval -0.41] [%clk 0:00:15] } 45... g5 { [%eval -0.02] [%clk 0:00:42] } 46. Kb2 { [%eval -0.1] [%clk 0:00:19] } 46... Rg7 { [%eval 0.0] [%clk 0:00:40] } 47. Kc3 { [%eval -0.01] [%clk 0:00:17] } 47... g4 { [%eval -0.15] [%clk 0:00:39] } 48. Kd4?? { [%eval -4.28] } { Blunder. d3 was best. } { [%clk 0:00:17] } 48... Kb6 { [%eval -3.6] [%clk 0:00:41] } 49. Ke5?! { [%eval -4.74] } { Inaccuracy. e4 was best. } { [%clk 0:00:20] } 49... a5 { [%eval -4.89] [%clk 0:00:34] } 50. Kf6 { [%eval -5.29] [%clk 0:00:15] } 50... Rc7 { [%eval -5.12] [%clk 0:00:24] } 51. bxa5+ { [%eval -5.0] [%clk 0:00:18] } 51... Kxa5 { [%eval -4.8] [%clk 0:00:28] } 52. e4 { [%eval -4.49] [%clk 0:00:07] } 52... b4 { [%eval -5.58] [%clk 0:00:28] } 53. e5 { [%eval -5.34] [%clk 0:00:08] } 53... b3 { [%eval -4.9] [%clk 0:00:31] } 54. e6 { [%eval -5.22] [%clk 0:00:08] } 54... b2 { [%eval -5.81] [%clk 0:00:34] } 55. Rg1 { [%eval -5.71] [%clk 0:00:12] } 55... Kb4 { [%eval -5.73] [%clk 0:00:38] } 56. e7 { [%eval -5.55] [%clk 0:00:13] } 56... Rc8 { [%eval -5.3] [%clk 0:00:36] } 57. Ke6 { [%clk 0:00:06] } 57... Kb3 { [%clk 0:00:36] } 58. Kd7 { [%clk 0:00:10] } 58... Ra8 { [%clk 0:00:37] } 59. e8=Q { [%clk 0:00:01] } 59... Rxe8 { [%clk 0:00:40] } 60. Kxe8 { [%clk 0:00:13] } 60... Ka2 { [%clk 0:00:43] } 0-1