Event: Lower Saxony Championship | A
Site: -
Date: 2023-01-07
White: Koss, Steven
Black: Ehlert, Horst
BlackElo: 2026
Result: 0-1
ECO: D11
Opening: Slav Defense: Quiet Variation, Pin Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:59] } 1... d5 { [%eval 0.27] [%clk 1:30:50] } 2. Nf3 { [%eval 0.28] [%clk 1:31:13] } 2... Nf6 { [%eval 0.25] [%clk 1:31:01] } 3. e3 { [%eval 0.12] [%clk 1:31:22] } 3... Bg4 { [%eval 0.48] [%clk 1:28:12] } 4. c4 { [%eval 0.35] [%clk 1:31:33] } 4... c6 { [%eval 0.31] [%clk 1:11:58] } 5. Nc3 { [%eval 0.35] [%clk 1:31:04] } 5... e6 { [%eval 0.46] [%clk 1:09:40] } 6. a3 { [%eval 0.0] [%clk 1:30:23] } 6... Nbd7 { [%eval 0.0] [%clk 1:09:41] } 7. h3 { [%eval 0.0] [%clk 1:28:27] } 7... Bh5 { [%eval 0.0] [%clk 1:09:38] } 8. cxd5 { [%eval 0.01] [%clk 1:28:26] } 8... cxd5 { [%eval 0.14] [%clk 1:08:05] } 9. Be2 { [%eval -0.16] [%clk 1:26:16] } 9... a6 { [%eval -0.13] [%clk 1:05:41] } 10. b4 { [%eval -0.5] [%clk 1:24:02] } 10... Bd6 { [%eval -0.38] [%clk 1:00:04] } 11. Bb2 { [%eval -0.65] [%clk 1:20:41] } 11... O-O { [%eval -0.68] [%clk 1:00:13] } 12. O-O { [%eval -0.51] [%clk 1:20:52] } 12... b5 { [%eval -0.32] [%clk 0:56:52] } 13. Nd2 { [%eval -0.32] [%clk 1:19:04] } 13... Bg6 { [%eval 0.08] [%clk 0:51:38] } 14. Qb3? { [%eval -1.11] } { Mistake. a4 was best. } { [%clk 1:17:12] } 14... Nb6 { [%eval -1.13] [%clk 0:51:40] } 15. a4 { [%eval -1.04] [%clk 1:08:39] } 15... Nc4 { [%eval -1.09] [%clk 0:46:11] } 16. Rfd1 { [%eval -1.18] [%clk 1:08:28] } 16... Qb6 { [%eval -0.73] [%clk 0:44:29] } 17. axb5 { [%eval -0.83] [%clk 0:57:01] } 17... axb5 { [%eval -0.85] [%clk 0:41:46] } 18. Nf1 { [%eval -1.31] [%clk 0:48:08] } 18... h6 { [%eval -1.21] [%clk 0:39:32] } 19. f3 { [%eval -1.75] [%clk 0:41:42] } 19... Rfe8 { [%eval -1.65] [%clk 0:31:59] } 20. Kh1 { [%eval -1.88] [%clk 0:39:29] } 20... Rec8 { [%eval -1.62] [%clk 0:27:12] } 21. Bd3 { [%eval -2.07] [%clk 0:33:17] } 21... Bxd3 { [%eval -1.97] [%clk 0:20:25] } 22. Rxa8 { [%eval -1.98] [%clk 0:32:06] } 22... Rxa8 { [%eval -1.81] [%clk 0:20:37] } 23. Rxd3 { [%eval -1.85] [%clk 0:32:28] } 23... Nh5 { [%eval -1.61] [%clk 0:19:32] } 24. Ne2?! { [%eval -2.4] } { Inaccuracy. Rd1 was best. } { [%clk 0:28:11] } 24... Ra4 { [%eval -2.34] [%clk 0:16:28] } 25. Bc3 { [%eval -2.43] [%clk 0:24:07] } 25... Qa7 { [%eval -2.29] [%clk 0:15:42] } 26. e4? { [%eval -3.83] } { Mistake. Kg1 was best. } { [%clk 0:22:49] } 26... Nf4?! { [%eval -2.76] } { Inaccuracy. Ra2 was best. } { [%clk 0:13:02] } 27. Nxf4 { [%eval -2.8] [%clk 0:17:39] } 27... Bxf4 { [%eval -2.77] [%clk 0:13:20] } 28. exd5 { [%eval -2.81] [%clk 0:14:43] } 28... exd5 { [%eval -2.74] [%clk 0:13:48] } 29. g3?! { [%eval -3.69] } { Inaccuracy. Qb1 was best. } { [%clk 0:15:02] } 29... Bd6 { [%eval -3.52] [%clk 0:13:13] } 30. f4?! { [%eval -5.31] } { Inaccuracy. Kg1 was best. } { [%clk 0:15:12] } 30... Qd7?! { [%eval -4.01] } { Inaccuracy. Qe7 was best. } { [%clk 0:12:31] } 31. Kg2 { [%eval -3.92] [%clk 0:13:19] } 31... Qf5 { [%eval -3.78] [%clk 0:12:57] } 32. Rf3 { [%eval -3.9] [%clk 0:07:58] } 32... Qe4 { [%eval -4.11] [%clk 0:12:08] } 33. Kf2 { [%eval -3.99] [%clk 0:07:01] } 33... Ra3 { [%eval -3.69] [%clk 0:11:53] } 34. Qd1 { [%eval -3.44] [%clk 0:06:52] } 34... Ra2+ { [%eval -3.73] [%clk 0:11:42] } 35. Kg1 { [%eval -3.52] [%clk 0:04:40] } 35... h5 { [%eval -3.4] [%clk 0:07:30] } 36. Rf2 { [%eval -3.07] [%clk 0:03:06] } 36... Rxf2 { [%eval -3.06] [%clk 0:06:34] } 37. Kxf2 { [%eval -3.38] [%clk 0:03:35] } 37... h4 { [%eval -3.21] [%clk 0:06:24] } 38. Qf3 { [%eval -3.27] [%clk 0:01:29] } 38... Qc2+ { [%eval -3.38] [%clk 0:05:10] } 39. Kg1 { [%eval -3.18] [%clk 0:01:28] } 39... hxg3 { [%eval -3.47] [%clk 0:04:59] } 40. Be1 { [%eval -3.59] [%clk 0:00:42] } 40... g2 { [%eval -3.1] [%clk 0:04:12] } 41. Ne3? { [%eval -5.11] } { Mistake. Qxg2 was best. } { [%clk 0:25:11] } 41... Qc1?! { [%eval -3.78] } { Inaccuracy. Qd3 was best. } { [%clk 0:22:20] } 42. Nxg2 { [%eval -3.55] [%clk 0:23:53] } 42... Bxb4 { [%eval -3.94] [%clk 0:13:24] } 43. Qe2 { [%eval -4.81] [%clk 0:23:43] } 43... Bxe1 { [%eval -5.19] [%clk 0:12:40] } 44. Qxe1 { [%eval -5.61] [%clk 0:24:12] } 44... Qxe1+ { [%eval -5.24] [%clk 0:11:29] } 45. Nxe1 { [%eval -5.22] [%clk 0:24:40] } 45... b4 { [%eval -5.85] [%clk 0:11:28] } 46. Nd3 { [%eval -5.62] [%clk 0:23:08] } 46... b3 { [%eval -5.73] [%clk 0:11:43] } 47. Kg2 { [%eval -5.62] [%clk 0:23:10] } 47... b2 { [%eval -5.84] [%clk 0:12:03] } 48. Nxb2 { [%eval -6.6] [%clk 0:23:22] } 48... Nxb2 { [%eval -6.71] [%clk 0:00:35] } 0-1