Event: Biel Chess Festival WT1
Site: Biel, Switzerland
Date: 2024-07-25
White: Althaus Peter
Black: Koehler, Noe
Result: 0-1
ECO: B06
Opening: Pterodactyl Defense: Eastern, Benoni
Variant: Standard
TimeControl: 40' + 30''/mv

1. d4 { [%eval 0.16] } 1... c5 { [%eval 0.65] [%clk 0:40:58] } 2. d5 { [%eval 0.56] [%clk 0:41:13] } 2... g6 { [%eval 0.68] [%clk 0:41:15] } 3. Nc3 { [%eval 0.65] [%clk 0:40:47] } 3... Bg7 { [%eval 0.59] [%clk 0:41:22] } 4. e4 { [%eval 0.6] [%clk 0:40:19] } 4... e6?! { [%eval 1.64] } { Inaccuracy. d6 was best. } { [%clk 0:40:32] } 5. dxe6 { [%eval 1.5] [%clk 0:38:28] } 5... fxe6 { [%eval 1.43] [%clk 0:40:26] } 6. Be3 { [%eval 1.21] [%clk 0:37:36] } 6... Qb6?! { [%eval 2.1] } { Inaccuracy. Nc6 was best. } { [%clk 0:38:56] } 7. Rb1?! { [%eval 1.05] } { Inaccuracy. Nb5 was best. } { [%clk 0:36:06] } 7... Qa5 { [%eval 1.53] [%clk 0:37:49] } 8. Qd2 { [%eval 1.21] [%clk 0:35:38] } 8... Bxc3?! { [%eval 1.85] } { Inaccuracy. a6 was best. } { [%clk 0:34:06] } 9. bxc3 { [%eval 1.78] [%clk 0:34:59] } 9... Qxa2 { [%eval 2.12] [%clk 0:32:53] } 10. Rd1 { [%eval 2.08] [%clk 0:35:20] } 10... Qa5 { [%eval 2.03] [%clk 0:31:09] } 11. Be2 { [%eval 1.52] [%clk 0:34:21] } 11... Nf6 { [%eval 2.06] [%clk 0:29:43] } 12. Bf3 { [%eval 1.67] [%clk 0:32:58] } 12... O-O?! { [%eval 2.57] } { Inaccuracy. Nc6 was best. } { [%clk 0:30:16] } 13. Ne2?! { [%eval 1.75] } { Inaccuracy. e5 was best. } { [%clk 0:31:14] } 13... e5?! { [%eval 2.61] } { Inaccuracy. Nc6 was best. } { [%clk 0:28:36] } 14. O-O?! { [%eval 1.42] } { Inaccuracy. Bh6 was best. } { [%clk 0:29:25] } 14... Qc7?! { [%eval 2.5] } { Inaccuracy. Nc6 was best. } { [%clk 0:27:23] } 15. Bg5? { [%eval 0.98] } { Mistake. Ng3 was best. } { [%clk 0:26:45] } 15... b6?? { [%eval 3.63] } { Blunder. d6 was best. } { [%clk 0:25:23] } 16. Qd6?? { [%eval -0.59] } { Blunder. Bxf6 was best. } { [%clk 0:25:03] } 16... Qxd6 { [%eval -0.62] [%clk 0:24:25] } 17. Rxd6 { [%eval -0.41] [%clk 0:25:23] } 17... Kg7 { [%eval -0.46] [%clk 0:23:49] } 18. Rfd1?! { [%eval -1.06] } { Inaccuracy. Ng3 was best. } { [%clk 0:23:21] } 18... Bb7?! { [%eval -0.31] } { Inaccuracy. Ne8 was best. } { [%clk 0:22:08] } 19. Bxf6+?? { [%eval -2.09] } { Blunder. h4 was best. } { [%clk 0:23:32] } 19... Rxf6 { [%eval -1.98] [%clk 0:26:40] } 20. Rxd7+? { [%eval -3.8] } { Mistake. R6d2 was best. } { [%clk 0:22:15] } 20... Nxd7 { [%eval -3.91] [%clk 0:26:36] } 21. Rxd7+ { [%eval -3.93] [%clk 0:22:30] } 21... Kh6?? { [%eval 0.25] } { Blunder. Rf7 was best. } 22. Rxb7 { [%eval 0.19] [%clk 0:22:24] } 22... a5 { [%eval 0.43] [%clk 0:27:10] } 23. c4?? { [%eval -2.7] } { Blunder. Nc1 was best. } { [%clk 0:18:29] } 23... a4 { [%eval -2.67] [%clk 0:26:16] } 24. Rd7 { [%eval -3.07] [%clk 0:20:00] } 24... a3 { [%eval -2.94] [%clk 0:24:59] } 25. Rd1 { [%eval -3.64] [%clk 0:20:10] } 25... a2 { [%eval -3.71] [%clk 0:25:24] } 26. Ra1 { [%eval -3.66] [%clk 0:20:15] } 26... Rd6 { [%eval -3.47] [%clk 0:23:41] } 27. Nc3 { [%eval -3.94] [%clk 0:19:55] } 27... Rd2 { [%eval -3.99] [%clk 0:22:59] } 28. Bd1 { [%eval -3.97] [%clk 0:18:23] } 28... Ra3 { [%eval -3.99] [%clk 0:21:07] } 29. Kf1?! { [%eval -5.32] } { Inaccuracy. Nxa2 was best. } { [%clk 0:11:38] } 29... Rxc3 { [%eval -5.07] [%clk 0:20:58] } 30. Ke1 { [%eval -5.69] [%clk 0:13:27] } 30... Rd4?! { [%eval -4.5] } { Inaccuracy. Rdxc2 was best. } { [%clk 0:19:37] } 31. Rxa2 { [%eval -4.37] [%clk 0:12:53] } 31... Rxe4+ { [%eval -4.3] [%clk 0:18:46] } 32. Be2 { [%eval -4.55] } 32... Rcxc4 { [%eval -4.66] [%clk 0:18:19] } 33. f3 { [%eval -4.6] [%clk 0:13:23] } 33... Re3?? { [%eval -1.9] } { Blunder. Ra4 was best. } { [%clk 0:18:10] } 34. Kd2 { [%eval -1.7] [%clk 0:13:14] } 34... Rcc3? { [%eval -0.1] } { Mistake. Rxe2+ was best. } 35. Rb2 { [%eval -0.17] } 35... Kg5 { [%eval -0.03] [%clk 0:15:05] } 36. Bd3 { [%eval -0.01] [%clk 0:13:13] } 36... Rexd3+ { [%eval -0.03] [%clk 0:14:18] } 37. cxd3 { [%eval -0.03] [%clk 0:13:26] } 37... Ra3 { [%eval -0.06] [%clk 0:13:59] } 38. g3?! { [%eval -0.71] } { Inaccuracy. Rxb6 was best. } { [%clk 0:11:48] } 38... Ra6 { [%eval -0.84] [%clk 0:12:48] } 39. Ke3 { [%eval -0.97] [%clk 0:10:02] } 39... Kf5 { [%eval -1.03] [%clk 0:11:20] } 40. g4+?! { [%eval -1.88] } { Inaccuracy. h4 was best. } { [%clk 0:11:50] } 40... Ke6 { [%eval -1.57] [%clk 0:12:02] } 41. Ke4? { [%eval -3.16] } { Mistake. h4 was best. } { [%clk 0:09:29] } 41... Ra4+?! { [%eval -2.13] } { Inaccuracy. Kd6 was best. } { [%clk 0:11:38] } 42. Ke3 { [%eval -1.85] [%clk 0:10:07] } 42... Rb4 { [%eval -1.85] } 43. Rc2?? { [%eval -4.13] } { Blunder. Ra2 was best. } { [%clk 0:09:17] } 43... Kd5 { [%eval -3.99] [%clk 0:11:52] } 44. Rd2 { [%eval -4.89] [%clk 0:06:42] } 44... Rb1 { [%eval -3.91] [%clk 0:11:04] } 45. Re2 { [%eval -4.26] [%clk 0:08:21] } 45... b5 { [%eval -4.22] [%clk 0:08:28] } 46. Ra2 { [%eval -4.21] [%clk 0:06:26] } 46... b4 { [%eval -3.99] [%clk 0:07:09] } 47. Ra7 { [%eval -4.19] [%clk 0:00:33] } 47... b3 { [%eval -4.14] [%clk 0:00:-19] } 48. Kd2 { [%eval -3.91] } 48... b2?! { [%eval -2.94] } { Inaccuracy. Rf1 was best. } { [%clk 0:06:42] } 49. Kc2 { [%eval -2.73] } 49... Ra1?? { [%eval 0.0] } { Blunder. Rf1 was best. } { [%clk 0:06:41] } 50. Rb7?? { [%eval -7.16] } { Blunder. Rd7+ was best. } { [%clk 0:06:29] } 50... b1=Q+ { [%eval -6.7] [%clk 0:06:09] } 51. Rxb1 { [%eval -6.29] [%clk 0:06:38] } 51... Rxb1 { [%eval -5.43] [%clk 0:07:00] } 52. Kxb1 { [%eval -5.72] [%clk 0:06:56] } 52... Kd4 { [%eval -5.58] [%clk 0:05:31] } 53. Kc2 { [%eval -5.59] [%clk 0:06:58] } 53... Ke3 { [%eval -5.59] [%clk 0:07:37] } 54. h4?! { [%eval -7.81] } { Inaccuracy. Kc3 was best. } { [%clk 0:06:00] } 54... Kxf3 { [%eval -7.08] [%clk 0:07:40] } 55. h5 { [%eval -9.53] } 55... e4 { [%eval -9.53] [%clk 0:06:52] } 56. dxe4 { [%eval -9.53] [%clk 0:05:40] } 56... Kxe4 { [%eval -9.5] [%clk 0:08:04] } 57. Kc3 { [%eval -8.27] [%clk 0:04:57] } 57... Kf4 { [%eval -8.91] [%clk 0:08:24] } 58. hxg6?? { [%eval #-17] } { Checkmate is now unavoidable. Kc4 was best. } { [%clk 0:05:39] } 58... hxg6 { [%eval #-16] } 59. g5 { [%eval #-16] [%clk 0:05:44] } 59... Kxg5 { [%eval #-17] } 60. Kc4 { [%eval #-15] [%clk 0:06:10] } 60... Kf4 { [%eval #-14] } 61. Kxc5 { [%eval #-14] [%clk 0:06:32] } 61... g5 { [%eval #-13] } 62. Kd4 { [%eval #-13] [%clk 0:06:54] } 0-1