Event: Round 4 | 65+: Dr. Gerhard Koehler - Vlastimil Jansa
Site: https://lichess.org/study/slYjshCi/Bk29ydGH
Date: 2022-11-18
White: Dr. Gerhard Koehler
Black: Vlastimil Jansa
Result: 0-1
ECO: A36
Opening: English Opening: Symmetrical Variation, Ultra-Symmetrical Variation
Variant: Standard

1. c4 { [%eval 0.23] [%clk 1:30:59] } 1... g6 { [%eval 0.44] [%clk 1:30:30] } 2. Nc3 { [%eval 0.24] [%clk 1:30:54] } 2... c5 { [%eval 0.12] [%clk 1:30:40] } 3. g3 { [%eval 0.22] [%clk 1:31:01] } 3... Bg7 { [%eval 0.25] [%clk 1:31:01] } 4. Bg2 { [%eval 0.13] [%clk 1:31:17] } 4... Nc6 { [%eval 0.13] [%clk 1:31:24] } 5. a3 { [%eval 0.09] [%clk 1:31:05] } 5... a5 { [%eval 0.24] [%clk 1:31:15] } 6. Nf3 { [%eval 0.14] [%clk 1:31:15] } 6... e5 { [%eval 0.27] [%clk 1:31:15] } 7. d3 { [%eval 0.27] [%clk 1:31:04] } 7... Nge7 { [%eval 0.09] [%clk 1:30:53] } 8. Nd2 { [%eval 0.29] [%clk 1:30:39] } 8... d6 { [%eval 0.38] [%clk 1:27:29] } 9. Nf1 { [%eval 0.25] [%clk 1:30:50] } 9... h5 { [%eval 0.43] [%clk 1:25:48] } 10. h4 { [%eval 0.1] [%clk 1:30:51] } 10... O-O { [%eval 0.2] [%clk 1:16:37] } 11. Ne3 { [%eval 0.25] [%clk 1:30:44] } 11... Rb8 { [%eval 0.36] [%clk 1:14:03] } 12. Rb1 { [%eval 0.14] [%clk 1:26:42] } 12... Be6 { [%eval 0.44] [%clk 1:02:48] } 13. Ned5 { [%eval 0.45] [%clk 1:21:13] } 13... Qd7 { [%eval 0.63] [%clk 0:58:24] } 14. Bg5 { [%eval 0.4] [%clk 1:18:55] } 14... f6 { [%eval 0.72] [%clk 0:58:08] } 15. Bd2 { [%eval 0.57] [%clk 1:18:55] } 15... Kh7 { [%eval 0.96] [%clk 0:51:46] } 16. Qa4 { [%eval 0.73] [%clk 1:12:37] } 16... Rfd8 { [%eval 0.73] [%clk 0:49:01] } 17. Nxe7 { [%eval 0.61] [%clk 0:47:47] } 17... Qxe7 { [%eval 0.64] [%clk 0:47:23] } 18. Nd5?! { [%eval 0.09] } { Inaccuracy. O-O was best. } { [%clk 0:45:46] } 18... Qf7 { [%eval 0.12] [%clk 0:45:01] } 19. Nb6 { [%eval -0.31] [%clk 0:40:51] } 19... f5 { [%eval -0.23] [%clk 0:38:20] } 20. O-O { [%eval -0.74] [%clk 0:34:18] } 20... f4 { [%eval -0.57] [%clk 0:35:33] } 21. Qd1 { [%eval -0.92] [%clk 0:27:28] } 21... Rf8 { [%eval -0.75] [%clk 0:32:55] } 22. b4 { [%eval -1.15] [%clk 0:21:43] } 22... axb4 { [%eval -0.65] [%clk 0:31:37] } 23. axb4 { [%eval -0.63] [%clk 0:22:07] } 23... Nd4 { [%eval -0.37] [%clk 0:26:48] } 24. Nd5?! { [%eval -0.94] } { Inaccuracy. bxc5 was best. } { [%clk 0:19:51] } 24... Bg4 { [%eval -0.63] [%clk 0:23:36] } 25. f3 { [%eval -0.9] [%clk 0:18:14] } 25... Be6 { [%eval -1.09] [%clk 0:23:44] } 26. Nc3 { [%eval -0.84] [%clk 0:17:53] } 26... Bh6 { [%eval -1.19] [%clk 0:18:03] } 27. gxf4 { [%eval -1.23] [%clk 0:15:38] } 27... exf4 { [%eval -1.29] [%clk 0:17:32] } 28. Ne4 { [%eval -1.39] [%clk 0:16:00] } 28... Qe7 { [%eval -1.23] [%clk 0:16:40] } 29. bxc5 { [%eval -1.03] [%clk 0:15:39] } 29... dxc5 { [%eval -1.23] [%clk 0:17:03] } 30. Qe1?! { [%eval -1.89] } { Inaccuracy. Bc3 was best. } { [%clk 0:15:10] } 30... b6?! { [%eval -0.93] } { Inaccuracy. Bf5 was best. } { [%clk 0:14:00] } 31. Qf2?! { [%eval -1.69] } { Inaccuracy. Bc3 was best. } { [%clk 0:12:27] } 31... Bf5 { [%eval -1.52] [%clk 0:11:58] } 32. Bc3?! { [%eval -2.21] } { Inaccuracy. Nc3 was best. } { [%clk 0:12:14] } 32... Bg7?! { [%eval -1.46] } { Inaccuracy. Bxe4 was best. } { [%clk 0:10:55] } 33. Rfc1? { [%eval -2.75] } { Mistake. Ng5+ was best. } { [%clk 0:10:49] } 33... Bxe4 { [%eval -2.65] [%clk 0:09:43] } 34. dxe4 { [%eval -3.21] [%clk 0:11:03] } 34... Bf6 { [%eval -2.99] [%clk 0:08:36] } 35. Be1?! { [%eval -3.92] } { Inaccuracy. Bh3 was best. } { [%clk 0:11:10] } 35... Nc6?! { [%eval -2.95] } { Inaccuracy. Nf5 was best. } { [%clk 0:08:04] } 36. Kh2 { [%eval -2.7] [%clk 0:11:08] } 36... Bd4 { [%eval -3.11] [%clk 0:08:11] } 37. Qf1 { [%eval -3.24] [%clk 0:11:28] } 37... Ne5 { [%eval -3.48] [%clk 0:07:40] } 38. Bf2 { [%eval -3.76] [%clk 0:09:47] } 38... Rfd8 { [%eval -4.05] [%clk 0:07:03] } 39. Rc2 { [%eval -3.51] [%clk 0:09:57] } 39... Qf7 { [%eval -3.92] [%clk 0:06:05] } 40. Rbc1 { [%eval -3.5] [%clk 0:08:59] } 40... Ra8 { [%eval -3.85] [%clk 0:05:22] } 41. Bh3 { [%eval -3.62] [%clk 0:03:18] } 41... Ra4 { [%eval -3.57] [%clk 0:04:50] } 42. Qd1 { [%eval -3.99] [%clk 0:02:17] } 42... Nxc4 { [%eval -3.42] [%clk 0:26:41] } 43. Bxd4 { [%eval -3.74] [%clk 0:31:50] } 43... Rxd4 { [%eval -3.52] [%clk 0:26:47] } 44. Qg1 { [%eval -3.88] [%clk 0:32:18] } 44... Qf6 { [%eval -3.69] [%clk 0:25:19] } 45. Qf2? { [%eval -7.08] } { Mistake. Qg5 was best. } { [%clk 0:32:27] } 45... Ne3 { [%eval -6.62] [%clk 0:23:51] } 0-1