Event: Round 4: Tobias Koelle - Bennet Biastoch
Date: 2023-10-25
White: Tobias Koelle
WhiteTitle: IM
WhiteElo: 2454
Black: Bennet Biastoch
BlackTitle: FM
BlackElo: 2274
Result: 1-0
ECO: D44
Opening: Semi-Slav Defense: Botvinnik Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:58] } 1... Nf6 { [%eval 0.28] [%clk 1:30:49] } 2. c4 { [%eval 0.16] [%clk 1:31:24] } 2... e6 { [%eval 0.23] [%clk 1:31:09] } 3. Nf3 { [%eval 0.0] [%clk 1:31:45] } 3... d5 { [%eval 0.17] [%clk 1:31:24] } 4. Nc3 { [%eval 0.0] [%clk 1:32:10] } 4... c6 { [%eval 0.33] [%clk 1:31:40] } 5. Bg5 { [%eval 0.12] [%clk 1:32:33] } 5... dxc4?! { [%eval 0.77] } { Inaccuracy. h6 was best. } { [%clk 1:31:48] } 6. e4 { [%eval 0.75] [%clk 1:32:57] } 6... b5 { [%eval 0.46] [%clk 1:31:59] } 7. e5 { [%eval 0.29] [%clk 1:33:23] } 7... h6 { [%eval 0.73] [%clk 1:32:21] } 8. Bh4 { [%eval 0.64] [%clk 1:33:50] } 8... g5 { [%eval 0.68] [%clk 1:32:44] } 9. Nxg5 { [%eval 0.78] [%clk 1:34:17] } 9... hxg5 { [%eval 0.69] [%clk 1:33:06] } 10. Bxg5 { [%eval 0.65] [%clk 1:34:44] } 10... Be7 { [%eval 1.09] [%clk 1:33:25] } 11. exf6 { [%eval 1.1] [%clk 1:35:09] } 11... Bxf6 { [%eval 0.97] [%clk 1:33:48] } 12. Bxf6 { [%eval 0.72] [%clk 1:35:36] } 12... Qxf6 { [%eval 1.0] [%clk 1:34:08] } 13. g3 { [%eval 1.01] [%clk 1:36:04] } 13... Na6 { [%eval 0.93] [%clk 1:34:07] } 14. Bg2 { [%eval 1.06] [%clk 1:36:30] } 14... Bb7 { [%eval 1.12] [%clk 1:34:31] } 15. Ne4?! { [%eval 0.46] } { Inaccuracy. a4 was best. } { [%clk 1:36:58] } 15... Qe7 { [%eval 0.47] [%clk 1:34:32] } 16. O-O { [%eval 0.48] [%clk 1:37:22] } 16... O-O-O { [%eval 0.44] [%clk 1:34:43] } 17. h4 { [%eval 0.42] [%clk 1:36:36] } 17... c5 { [%eval 0.37] [%clk 1:31:00] } 18. a4 { [%eval 0.46] [%clk 1:36:59] } 18... Rxd4 { [%eval 0.41] [%clk 1:30:38] } 19. Qe2 { [%eval 0.38] [%clk 1:37:26] } 19... b4 { [%eval 0.48] [%clk 1:30:37] } 20. Rfd1 { [%eval 0.47] [%clk 1:37:40] } 20... Rhd8 { [%eval 0.56] [%clk 1:29:01] } 21. Rxd4 { [%eval 0.63] [%clk 1:32:14] } 21... Rxd4 { [%eval 0.69] [%clk 1:29:21] } 22. Rc1 { [%eval 0.77] [%clk 1:31:01] } 22... Nc7 { [%eval 1.09] [%clk 1:15:38] } 23. Nd2 { [%eval 1.38] [%clk 1:15:07] } 23... Bxg2 { [%eval 1.23] [%clk 1:05:14] } 24. Kxg2 { [%eval 1.1] [%clk 1:15:33] } 24... Qd7 { [%eval 1.25] [%clk 1:05:21] } 25. Nxc4 { [%eval 1.12] [%clk 1:15:09] } 25... Qd5+ { [%eval 1.08] [%clk 1:05:35] } 26. Kg1 { [%eval 1.16] [%clk 1:13:10] } 26... f5 { [%eval 1.19] [%clk 1:05:46] } 27. Ne3 { [%eval 0.87] [%clk 1:02:05] } 27... Qd6 { [%eval 1.36] [%clk 1:04:53] } 28. Rd1?! { [%eval 0.35] } { Inaccuracy. h5 was best. } { [%clk 0:33:28] } 28... f4?! { [%eval 0.96] } { Inaccuracy. Rxd1+ was best. } { [%clk 0:54:32] } 29. Rxd4 { [%eval 0.88] [%clk 0:32:29] } 29... Qxd4 { [%eval 0.96] [%clk 0:54:31] } 30. gxf4 { [%eval 1.02] [%clk 0:32:36] } 30... Qxf4 { [%eval 0.96] [%clk 0:53:40] } 31. Qc4 { [%eval 0.59] [%clk 0:31:56] } 31... Qxc4? { [%eval 1.83] } { Mistake. Qe5 was best. } { [%clk 0:40:28] } 32. Nxc4 { [%eval 1.7] [%clk 0:32:18] } 32... Kd7 { [%eval 1.7] [%clk 0:40:54] } 33. Kg2 { [%eval 1.51] [%clk 0:21:34] } 33... Nd5 { [%eval 1.63] [%clk 0:40:15] } 34. Kf3 { [%eval 1.42] [%clk 0:21:44] } 34... Nb6?? { [%eval 4.28] } { Blunder. Ke7 was best. } { [%clk 0:37:48] } 35. Nxb6+ { [%eval 4.51] [%clk 0:16:15] } 35... axb6 { [%eval 4.42] [%clk 0:38:13] } 36. Ke4 { [%eval 5.15] [%clk 0:16:40] } 36... Ke7 { [%eval 5.18] [%clk 0:38:15] } 37. Kd3 { [%eval 5.39] [%clk 0:15:59] } 37... Kf6 { [%eval 6.07] [%clk 0:34:36] } 38. Kc4 { [%eval 6.28] [%clk 0:16:04] } 38... Kf5 { [%eval 6.99] [%clk 0:34:45] } 39. a5 { [%eval 6.87] [%clk 0:16:14] } 39... bxa5 { [%eval 6.7] [%clk 0:33:20] } 40. Kxc5 { [%eval 6.9] [%clk 0:16:43] } 40... Kg4 { [%eval 7.04] [%clk 0:33:18] } 41. Kb5 { [%eval 7.12] [%clk 0:17:08] } 41... e5 { [%eval 7.22] [%clk 0:33:43] } 42. Kxa5 { [%eval 7.31] [%clk 0:16:15] } 42... e4 { [%eval 8.46] [%clk 0:34:05] } 43. h5 { [%eval 35.92] [%clk 0:16:08] } 43... Kxh5 { [%eval 35.93] [%clk 0:34:12] } 44. Kxb4 { [%eval 35.61] [%clk 0:16:33] } 44... Kg4 { [%eval 35.88] [%clk 0:34:37] } 45. Kc3 { [%eval 96.05] [%clk 0:16:58] } 45... Kf3 { [%eval #33] [%clk 0:35:04] } 46. Kd4 { [%eval 42.9] [%clk 0:17:25] } 1-0