Event: Round 4: von Mettenheim, Johannes - Buchenau, Frank
Date: 2025-05-25
White: von Mettenheim, Johannes
WhiteElo: 2381
Black: Buchenau, Frank
BlackTitle: FM
BlackElo: 2190
Result: 1-0
ECO: E20
Opening: Nimzo-Indian Defense: Kmoch Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:29:19] } 1... e6 { [%eval 0.37] [%clk 1:30:05] } 2. c4 { [%eval 0.16] [%clk 1:29:40] } 2... Nf6 { [%eval 0.14] [%clk 1:30:27] } 3. Nc3 { [%eval 0.09] [%clk 1:30:02] } 3... Bb4 { [%eval 0.09] [%clk 1:30:48] } 4. f3 { [%eval 0.0] [%clk 1:30:26] } 4... d6 { [%eval 0.09] [%clk 1:30:52] } 5. e4 { [%eval 0.05] [%clk 1:28:12] } 5... c5 { [%eval 0.04] [%clk 1:30:53] } 6. d5 { [%eval 0.06] [%clk 1:25:19] } 6... O-O { [%eval 0.17] [%clk 1:30:50] } 7. Ne2 { [%eval 0.11] [%clk 1:24:00] } 7... a6 { [%eval 0.21] [%clk 1:31:08] } 8. a3 { [%eval 0.07] [%clk 1:19:53] } 8... Ba5 { [%eval 0.14] [%clk 1:29:30] } 9. Ng3 { [%eval 0.22] [%clk 1:20:10] } 9... b5 { [%eval 0.27] [%clk 1:27:56] } 10. Be2 { [%eval 0.11] [%clk 1:20:14] } 10... b4 { [%eval 0.6] [%clk 1:13:23] } 11. axb4 { [%eval 0.55] [%clk 1:20:30] } 11... cxb4 { [%eval 0.49] [%clk 1:10:26] } 12. Na4 { [%eval 0.7] [%clk 1:20:48] } 12... Bb6 { [%eval 1.19] [%clk 1:09:35] } 13. Nxb6 { [%eval 0.87] [%clk 1:12:04] } 13... Qxb6 { [%eval 0.95] [%clk 1:09:58] } 14. Qd3 { [%eval 0.48] [%clk 1:12:30] } 14... Nbd7 { [%eval 0.62] [%clk 1:10:02] } 15. dxe6 { [%eval 0.35] [%clk 1:12:33] } 15... fxe6 { [%eval 0.28] [%clk 1:08:46] } 16. Be3 { [%eval 0.12] [%clk 1:06:59] } 16... Nc5 { [%eval 0.25] [%clk 1:08:06] } 17. Qd4 { [%eval -0.09] [%clk 1:05:46] } 17... e5 { [%eval -0.08] [%clk 1:05:01] } 18. Qd2 { [%eval 0.0] [%clk 1:05:21] } 18... Be6 { [%eval 0.22] [%clk 1:03:26] } 19. O-O { [%eval 0.24] [%clk 1:04:46] } 19... a5 { [%eval 0.16] [%clk 1:01:38] } 20. Rfd1 { [%eval 0.11] [%clk 1:02:29] } 20... Ra6?! { [%eval 0.75] } { Inaccuracy. a4 was best. } { [%clk 1:00:16] } 21. Kh1? { [%eval -0.57] } { Mistake. Qxd6 was best. } { [%clk 0:58:55] } 21... Qc7 { [%eval -0.21] [%clk 0:54:04] } 22. Qc2?! { [%eval -0.82] } { Inaccuracy. Rab1 was best. } { [%clk 0:59:12] } 22... Nfd7 { [%eval -0.52] [%clk 0:46:48] } 23. Nf5 { [%eval -0.53] [%clk 0:54:23] } 23... Bxf5 { [%eval -0.55] [%clk 0:40:58] } 24. exf5 { [%eval -0.46] [%clk 0:54:47] } 24... a4 { [%eval -0.54] [%clk 0:40:03] } 25. Bd3 { [%eval -0.57] [%clk 0:54:33] } 25... Nb3?? { [%eval 2.55] } { Blunder. Rb8 was best. } { [%clk 0:35:11] } 26. c5 { [%eval 2.69] [%clk 0:48:22] } 26... Rc6 { [%eval 2.77] [%clk 0:13:05] } 27. Rxa4 { [%eval 2.66] [%clk 0:35:29] } 27... Nbxc5?! { [%eval 4.06] } { Inaccuracy. Nd4 was best. } { [%clk 0:12:56] } 28. Bb5 { [%eval 3.78] [%clk 0:33:51] } 28... Nxa4 { [%eval 4.04] [%clk 0:05:09] } 29. Qxc6 { [%eval 3.91] [%clk 0:31:18] } 29... Qxc6 { [%eval 3.42] [%clk 0:05:28] } 30. Bxc6 { [%eval 3.68] [%clk 0:31:44] } 30... Ndc5 { [%eval 4.39] [%clk 0:03:10] } 31. Rxd6 { [%eval 4.64] [%clk 0:32:06] } 31... b3 { [%eval 5.16] [%clk 0:02:37] } 32. Rd5 { [%eval 4.92] [%clk 0:32:06] } 32... Nxb2 { [%eval 5.16] [%clk 0:00:59] } 33. Bxc5 { [%eval 5.15] [%clk 0:30:56] } 33... Rb8 { [%eval 5.49] [%clk 0:01:17] } 34. Rd2 { [%eval 5.4] [%clk 0:31:02] } 34... Nc4 { [%eval 5.39] [%clk 0:00:38] } 35. Bd5+ { [%eval 5.58] [%clk 0:31:27] } 35... Kh8 { [%eval 5.71] [%clk 0:01:06] } 36. Bxc4 { [%eval 5.57] [%clk 0:31:47] } 36... b2 { [%eval 5.48] [%clk 0:01:31] } 37. Ba2 { [%eval 5.26] [%clk 0:30:54] } 1-0