Event: Deutschemeiterschaft offen 2022
Date: 2022-08-16
White: Koehler, Christian Friedrich
WhiteElo: 2285
Black: Costa, Leonardo
BlackElo: 2326
Result: 0-1
ECO: A16
Opening: English Opening: Anglo-Indian Defense, Queen's Knight Variation
Variant: Standard

1. c4 { [%eval 0.23] [%clk 1:30:33] } 1... Nf6 { [%eval 0.29] [%clk 1:30:46] } 2. Nc3 { [%eval 0.08] [%clk 1:30:56] } 2... g6 { [%eval 0.51] [%clk 1:29:20] } 3. e4 { [%eval 0.24] [%clk 1:31:20] } 3... d6 { [%eval 0.69] [%clk 1:29:43] } 4. g3?! { [%eval 0.0] } { Inaccuracy. d4 was best. } { [%clk 1:31:43] } 4... Bg7 { [%eval 0.0] [%clk 1:30:07] } 5. Bg2 { [%eval 0.0] [%clk 1:32:08] } 5... O-O { [%eval 0.0] [%clk 1:30:32] } 6. Nge2 { [%eval 0.0] [%clk 1:32:33] } 6... c5 { [%eval 0.28] [%clk 1:30:45] } 7. O-O { [%eval 0.13] [%clk 1:32:56] } 7... Nc6 { [%eval 0.12] [%clk 1:31:11] } 8. d3 { [%eval 0.12] [%clk 1:33:21] } 8... Ne8 { [%eval 0.12] [%clk 1:31:33] } 9. Be3 { [%eval 0.07] [%clk 1:33:24] } 9... Nc7?! { [%eval 0.67] } { Inaccuracy. Bg4 was best. } { [%clk 1:31:24] } 10. d4 { [%eval 0.52] [%clk 1:33:29] } 10... cxd4 { [%eval 0.92] [%clk 1:28:35] } 11. Nxd4 { [%eval 0.73] [%clk 1:33:50] } 11... Ne5 { [%eval 1.2] [%clk 1:17:45] } 12. b3 { [%eval 1.03] [%clk 1:31:21] } 12... Ng4 { [%eval 1.22] [%clk 1:14:57] } 13. Bc1 { [%eval 0.99] [%clk 1:27:51] } 13... Ne6 { [%eval 0.91] [%clk 1:14:07] } 14. Nde2 { [%eval 0.96] [%clk 1:14:53] } 14... a6 { [%eval 0.97] [%clk 0:58:12] } 15. h3 { [%eval 1.02] [%clk 1:09:51] } 15... Nf6 { [%eval 1.49] [%clk 0:58:25] } 16. Be3 { [%eval 1.18] [%clk 1:09:38] } 16... Rb8 { [%eval 1.4] [%clk 0:58:24] } 17. a4 { [%eval 1.31] [%clk 1:07:02] } 17... a5 { [%eval 1.65] [%clk 0:53:35] } 18. Qc2 { [%eval 1.42] [%clk 1:03:53] } 18... b6 { [%eval 1.66] [%clk 0:51:39] } 19. Rad1 { [%eval 1.46] [%clk 1:03:19] } 19... Nd7 { [%eval 1.63] [%clk 0:52:03] } 20. f4 { [%eval 1.45] [%clk 1:01:50] } 20... Bb7 { [%eval 1.6] [%clk 0:52:19] } 21. Nb5?! { [%eval 0.9] } { Inaccuracy. g4 was best. } { [%clk 1:00:24] } 21... Bc6?! { [%eval 1.66] } { Inaccuracy. Nc7 was best. } { [%clk 0:51:33] } 22. Ned4?! { [%eval 0.83] } { Inaccuracy. Nec3 was best. } { [%clk 0:59:22] } 22... Nxd4 { [%eval 0.68] [%clk 0:51:45] } 23. Nxd4 { [%eval 0.69] [%clk 0:59:37] } 23... Bxd4 { [%eval 0.8] [%clk 0:44:45] } 24. Rxd4 { [%eval 0.58] [%clk 0:58:08] } 24... Qc7 { [%eval 0.52] [%clk 0:45:04] } 25. Rd2 { [%eval 0.52] [%clk 0:56:38] } 25... Nc5 { [%eval 0.75] [%clk 0:44:49] } 26. f5 { [%eval 0.82] [%clk 0:56:15] } 26... e5?? { [%eval 2.91] } { Blunder. Qb7 was best. } { [%clk 0:26:30] } 27. Bh6 { [%eval 3.1] [%clk 0:36:19] } 27... Rfe8 { [%eval 3.18] [%clk 0:23:27] } 28. Re2?! { [%eval 2.3] } { Inaccuracy. Rdf2 was best. } { [%clk 0:36:32] } 28... Rb7 { [%eval 2.34] [%clk 0:20:10] } 29. Qc3 { [%eval 2.13] [%clk 0:35:43] } 29... Qd8 { [%eval 2.54] [%clk 0:19:45] } 30. f6 { [%eval 2.4] [%clk 0:34:13] } 30... Re6?! { [%eval 3.79] } { Inaccuracy. Ne6 was best. } { [%clk 0:19:25] } 31. Bg7 { [%eval 3.7] [%clk 0:30:04] } 31... Rc7 { [%eval 4.04] [%clk 0:16:02] } 32. Qe3 { [%eval 3.82] [%clk 0:29:53] } 32... Nd7 { [%eval 4.59] [%clk 0:15:21] } 33. Ref2 { [%eval 5.73] [%clk 0:29:50] } 33... Qa8 { [%eval 6.28] [%clk 0:13:37] } 34. Qh6?! { [%eval 4.74] } { Inaccuracy. h4 was best. } { [%clk 0:29:28] } 34... Nc5 { [%eval 4.55] [%clk 0:14:03] } 35. Rf4?? { [%eval 0.0] } { Blunder. Re2 was best. } { [%clk 0:27:00] } 35... exf4 { [%eval 0.0] [%clk 0:14:12] } 36. Rxf4?? { [%eval -4.35] } { Blunder. Bh8 was best. } { [%clk 0:27:22] } 36... Re5 { [%eval -4.27] [%clk 0:12:13] } 37. Bf3?! { [%eval -6.15] } { Inaccuracy. Rh4 was best. } { [%clk 0:14:00] } 37... g5 { [%eval -4.49] [%clk 0:08:37] } 38. Rg4?! { [%eval -7.44] } { Inaccuracy. Bg4 was best. } { [%clk 0:13:06] } 38... Bxe4 { [%eval -8.12] [%clk 0:04:33] } 39. Bh8 { [%eval -10.23] [%clk 0:11:23] } 39... Ne6 { [%eval -10.44] [%clk 0:03:24] } 40. Bxe4 { [%eval -9.64] [%clk 0:11:32] } 40... Rxe4 { [%eval -9.87] [%clk 0:03:51] } 0-1