Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-22
White: Cordes, Jule
WhiteElo: 1946
Black: Stevens, Christian
BlackElo: 2050
Result: 1/2-1/2
ECO: E81
Opening: King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. d4 { [%eval 0.17] [%clk 1:40:56] } 1... Nf6 { [%eval 0.19] [%clk 1:40:46] } 2. c4 { [%eval 0.18] [%clk 1:41:15] } 2... g6 { [%eval 0.28] [%clk 1:41:07] } 3. f3 { [%eval 0.22] [%clk 1:41:34] } 3... Bg7 { [%eval 0.32] [%clk 1:40:52] } 4. e4 { [%eval 0.3] [%clk 1:41:53] } 4... d6 { [%eval 0.37] [%clk 1:41:16] } 5. Nc3 { [%eval 0.26] [%clk 1:42:08] } 5... O-O { [%eval 0.29] [%clk 1:41:34] } 6. Nge2 { [%eval 0.19] [%clk 1:42:23] } 6... Nc6 { [%eval 0.71] [%clk 1:41:23] } 7. d5?! { [%eval 0.0] } { Inaccuracy. Be3 was best. } { [%clk 1:30:35] } 7... Ne5 { [%eval 0.0] [%clk 1:40:51] } 8. Nd4 { [%eval -0.09] [%clk 1:29:43] } 8... c5?! { [%eval 0.59] } { Inaccuracy. e6 was best. } { [%clk 1:37:56] } 9. Nc2 { [%eval 0.52] [%clk 1:22:55] } 9... Ne8 { [%eval 0.86] [%clk 1:33:37] } 10. Be2 { [%eval 0.57] [%clk 1:20:49] } 10... f5 { [%eval 0.5] [%clk 1:17:26] } 11. exf5 { [%eval 0.58] [%clk 1:14:08] } 11... gxf5 { [%eval 0.63] [%clk 1:15:13] } 12. f4 { [%eval 0.53] [%clk 1:07:10] } 12... Ng4 { [%eval 0.83] [%clk 1:10:15] } 13. h3 { [%eval 0.81] [%clk 1:03:25] } 13... Ngf6 { [%eval 0.88] [%clk 1:07:49] } 14. O-O { [%eval 0.9] [%clk 0:50:09] } 14... Ne4 { [%eval 1.24] [%clk 0:51:41] } 15. Nxe4 { [%eval 1.25] [%clk 0:48:08] } 15... fxe4 { [%eval 1.08] [%clk 0:52:04] } 16. Rb1 { [%eval 1.18] [%clk 0:45:05] } 16... Qa5 { [%eval 1.66] [%clk 0:36:45] } 17. a3 { [%eval 1.49] [%clk 0:42:39] } 17... a6 { [%eval 1.69] [%clk 0:36:25] } 18. b4 { [%eval 1.63] [%clk 0:33:52] } 18... Qc7 { [%eval 1.57] [%clk 0:34:12] } 19. Bb2 { [%eval 1.16] [%clk 0:31:11] } 19... Nf6? { [%eval 2.46] } { Mistake. Bxb2 was best. } { [%clk 0:32:36] } 20. Ne3?! { [%eval 1.63] } { Inaccuracy. bxc5 was best. } { [%clk 0:29:30] } 20... cxb4 { [%eval 1.62] [%clk 0:26:42] } 21. axb4 { [%eval 1.58] [%clk 0:29:43] } 21... b5 { [%eval 1.81] [%clk 0:26:51] } 22. cxb5?! { [%eval 1.19] } { Inaccuracy. Kh2 was best. } { [%clk 0:21:01] } 22... axb5 { [%eval 1.16] [%clk 0:26:33] } 23. Qb3 { [%eval 0.69] [%clk 0:19:51] } 23... Bd7 { [%eval 0.55] [%clk 0:21:46] } 24. Rbc1 { [%eval 0.6] [%clk 0:13:46] } 24... Qb6 { [%eval 0.51] [%clk 0:20:38] } 25. Kh2 { [%eval 0.52] [%clk 0:12:07] } 25... Ra4?! { [%eval 1.22] } { Inaccuracy. Qa7 was best. } { [%clk 0:18:34] } 26. Nc2?! { [%eval 0.57] } { Inaccuracy. Rc6 was best. } { [%clk 0:11:16] } 26... Rfa8 { [%eval 0.46] [%clk 0:17:31] } 27. Nd4 { [%eval 0.52] [%clk 0:09:42] } 27... Ra2 { [%eval 0.45] [%clk 0:12:35] } 28. Rc2 { [%eval 0.5] [%clk 0:06:10] } 28... Rxb2 { [%eval 0.47] [%clk 0:10:27] } 29. Qxb2 { [%eval 0.56] [%clk 0:03:22] } 29... Nxd5? { [%eval 1.71] } { Mistake. Kh8 was best. } { [%clk 0:10:43] } 30. Rd1?? { [%eval -0.39] } { Blunder. Qb3 was best. } { [%clk 0:00:41] } 30... Nxf4 { [%eval -0.28] [%clk 0:08:00] } 31. Qb3+ { [%eval -0.43] [%clk 0:00:38] } 31... Kh8 { [%eval -0.58] [%clk 0:08:20] } 32. Rcd2?? { [%eval -3.58] } { Blunder. g3 was best. } { [%clk 0:00:34] } 32... Ng6?? { [%eval 0.0] } { Blunder. Nxe2 was best. } { [%clk 0:07:03] } 33. Bg4 { [%eval -0.15] [%clk 0:00:35] } 33... Bxg4 { [%eval -0.24] [%clk 0:03:41] } 34. hxg4 { [%eval -0.36] [%clk 0:01:04] } 34... Qc7 { [%eval 0.18] [%clk 0:03:41] } 35. g3?! { [%eval -0.48] } { Inaccuracy. Qd5 was best. } { [%clk 0:00:53] } 35... Qd7 { [%eval 0.04] [%clk 0:03:06] } 36. Nf5?! { [%eval -0.53] } { Inaccuracy. Qd5 was best. } { [%clk 0:00:43] } 36... Ne5 { [%eval -0.58] [%clk 0:03:07] } 37. Kh3? { [%eval -2.3] } { Mistake. Qd5 was best. } { [%clk 0:00:37] } 37... Bf6?? { [%eval 0.0] } { Blunder. Rf8 was best. } { [%clk 0:02:01] } 38. Qd5 { [%eval 0.0] [%clk 0:00:34] } 38... Rg8 { [%eval 0.0] [%clk 0:02:15] } 39. Qxe4 { [%eval -0.42] [%clk 0:00:42] } 39... Rxg4 { [%eval -0.51] [%clk 0:02:21] } 40. Qc2?? { [%eval -4.78] } { Blunder. Qa8+ was best. } { [%clk 0:00:46] } 40... Rc4?? { [%eval -2.2] } { Blunder. Rg5 was best. } { [%clk 0:02:30] } 41. Qb1 { [%eval -1.89] [%clk 0:30:08] } 41... Nf7? { [%eval -0.36] } { Mistake. Qe8 was best. } { [%clk 0:21:42] } 42. Kh2 { [%eval -0.58] [%clk 0:21:53] } 42... Ng5 { [%eval -0.31] [%clk 0:19:16] } 43. Rd5?? { [%eval -3.22] } { Blunder. Rf1 was best. } { [%clk 0:18:47] } 43... Qc6 { [%eval -3.28] [%clk 0:13:22] } 44. Ne3 { [%eval -3.37] [%clk 0:16:20] } 44... Rc3 { [%eval -3.41] [%clk 0:12:42] } 45. R5d3?! { [%eval -4.56] } { Inaccuracy. Rc5 was best. } { [%clk 0:14:38] } 45... Nf3+ { [%eval -4.48] [%clk 0:11:54] } 46. Kh3 { [%eval -4.28] [%clk 0:14:52] } 46... Ng5+ { [%eval -4.11] [%clk 0:09:38] } 47. Kh2 { [%eval -3.67] [%clk 0:14:41] } 47... Qf3?? { [%eval 0.0] } { Blunder. Qc8 was best. } { [%clk 0:09:05] } 48. Rxc3 { [%eval 0.0] [%clk 0:07:28] } 48... Qe2+ { [%eval 0.0] [%clk 0:09:04] } 49. Ng2 { [%eval 0.0] [%clk 0:07:24] } 49... Bxc3 { [%eval 0.0] [%clk 0:09:01] } 50. Qd3 { [%eval -0.08] [%clk 0:05:19] } 50... Qxd3 { [%eval -0.01] [%clk 0:05:52] } 51. Rxd3 { [%eval -0.06] [%clk 0:05:45] } 51... Bxb4 { [%eval 0.0] [%clk 0:06:15] } 52. Rb3 { [%eval -0.06] [%clk 0:04:33] } 52... Bc5 { [%eval -0.05] [%clk 0:06:18] } 53. Rxb5 { [%eval -0.11] [%clk 0:04:36] } 53... Kg7 { [%eval -0.09] [%clk 0:05:50] } 54. Nf4 { [%eval -0.18] [%clk 0:04:40] } 54... Nf3+ { [%eval 0.0] [%clk 0:05:25] } 55. Kg2 { [%eval 0.0] [%clk 0:02:51] } 55... Ne5 { [%eval 0.0] [%clk 0:05:42] } 56. Ne6+ { [%eval 0.0] [%clk 0:02:06] } 56... Kf6 { [%eval 0.0] [%clk 0:06:03] } 57. Nxc5 { [%eval 0.0] [%clk 0:02:31] } 57... dxc5 { [%eval 0.09] [%clk 0:06:28] } 58. Rxc5 { [%eval 0.14] [%clk 0:02:58] } 58... e6?? { [%eval 1.95] } { Blunder. Nd7 was best. } { [%clk 0:06:44] } 59. Rc7?? { [%eval 0.08] } { Blunder. Kh3 was best. } { [%clk 0:02:37] } 59... h6 { [%eval 0.23] [%clk 0:06:58] } 60. Rh7?? { [%eval -6.46] } { Blunder. Kh3 was best. } { [%clk 0:02:12] } 60... Kg6?? { [%eval 0.04] } { Blunder. Nf7 was best. } { [%clk 0:07:21] } 61. Ra7 { [%eval 0.1] [%clk 0:01:54] } 61... Kf6? { [%eval 1.76] } { Mistake. Nf7 was best. } { [%clk 0:07:32] } 62. Kf2?? { [%eval 0.01] } { Blunder. Kh3 was best. } { [%clk 0:01:54] } 62... Kf5 { [%eval 0.44] [%clk 0:06:46] } 63. Ra4 { [%eval 0.24] [%clk 0:01:06] } 63... h5?? { [%eval 3.45] } { Blunder. Ng4+ was best. } { [%clk 0:06:19] } 64. Rf4+?? { [%eval 0.0] } { Blunder. Ra5 was best. } { [%clk 0:00:45] } 64... Kg5 { [%eval 0.15] [%clk 0:06:38] } 65. Re4 { [%eval 0.18] [%clk 0:00:53] } 65... Kf5 { [%eval 0.16] [%clk 0:06:53] } 66. Ra4 { [%eval 0.16] [%clk 0:00:52] } 1/2-1/2