Event: Round 6: Mattenberger, Matthias - Krastev, Alexander
Date: 2025-04-23
White: Mattenberger, Matthias
WhiteTitle: FM
WhiteElo: 2279
Black: Krastev, Alexander
BlackTitle: IM
BlackElo: 2419
Result: 1-0
ECO: E45
Opening: Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:55] } 1... Nf6 { [%eval 0.19] [%clk 1:30:56] } 2. c4 { [%eval 0.18] [%clk 1:31:16] } 2... e6 { [%eval 0.14] [%clk 1:31:21] } 3. Nc3 { [%eval 0.09] [%clk 1:31:37] } 3... Bb4 { [%eval 0.09] [%clk 1:31:40] } 4. e3 { [%eval 0.11] [%clk 1:31:59] } 4... b6 { [%eval 0.31] [%clk 1:32:07] } 5. Ne2 { [%eval 0.26] [%clk 1:32:13] } 5... Ba6 { [%eval 0.32] [%clk 1:32:26] } 6. Ng3 { [%eval 0.19] [%clk 1:32:07] } 6... Bxc3+ { [%eval 0.29] [%clk 1:32:50] } 7. bxc3 { [%eval 0.28] [%clk 1:32:32] } 7... d5 { [%eval 0.25] [%clk 1:33:15] } 8. Qf3 { [%eval 0.23] [%clk 1:32:53] } 8... Qd7?! { [%eval 1.23] } { Inaccuracy. O-O was best. } { [%clk 1:25:26] } 9. cxd5 { [%eval 1.26] [%clk 1:11:36] } 9... exd5 { [%eval 1.35] [%clk 1:25:15] } 10. Bxa6 { [%eval 1.2] [%clk 1:11:36] } 10... Nxa6 { [%eval 1.27] [%clk 1:25:40] } 11. Qe2 { [%eval 1.29] [%clk 1:10:35] } 11... Nb8 { [%eval 1.24] [%clk 0:52:59] } 12. O-O { [%eval 1.26] [%clk 1:07:27] } 12... O-O { [%eval 1.42] [%clk 0:51:19] } 13. f3 { [%eval 1.6] [%clk 1:06:22] } 13... c5 { [%eval 1.57] [%clk 0:49:09] } 14. Bb2?! { [%eval 0.92] } { Inaccuracy. e4 was best. } { [%clk 0:58:48] } 14... Qe6?! { [%eval 1.88] } { Inaccuracy. Nc6 was best. } { [%clk 0:31:56] } 15. e4 { [%eval 1.94] [%clk 0:56:50] } 15... Nbd7 { [%eval 1.95] [%clk 0:29:21] } 16. c4?! { [%eval 1.22] } { Inaccuracy. Rae1 was best. } { [%clk 0:55:03] } 16... dxe4 { [%eval 1.61] [%clk 0:28:04] } 17. d5 { [%eval 1.87] [%clk 0:54:28] } 17... exf3 { [%eval 1.64] [%clk 0:28:29] } 18. Qxf3?! { [%eval 0.6] } { Inaccuracy. Qd3 was best. } { [%clk 0:45:30] } 18... Qg4 { [%eval 1.0] [%clk 0:26:45] } 19. Qc3? { [%eval -0.14] } { Mistake. Qd3 was best. } { [%clk 0:34:03] } 19... Rfe8 { [%eval -0.2] [%clk 0:26:57] } 20. h3 { [%eval -0.32] [%clk 0:30:32] } 20... Qd4+ { [%eval 0.08] [%clk 0:18:38] } 21. Qxd4 { [%eval 0.05] [%clk 0:30:25] } 21... cxd4 { [%eval 0.03] [%clk 0:19:06] } 22. Bxd4 { [%eval -0.05] [%clk 0:30:36] } 22... Ne4 { [%eval -0.06] [%clk 0:19:14] } 23. Nf5 { [%eval -0.14] [%clk 0:30:19] } 23... f6 { [%eval -0.14] [%clk 0:19:39] } 24. Rfe1 { [%eval -0.29] [%clk 0:28:16] } 24... g6 { [%eval -0.32] [%clk 0:19:13] } 25. Ne3 { [%eval -0.24] [%clk 0:27:20] } 25... Nd6 { [%eval -0.06] [%clk 0:18:16] } 26. Ng4 { [%eval -0.09] [%clk 0:24:22] } 26... Kf7 { [%eval -0.1] [%clk 0:18:36] } 27. Nh6+ { [%eval -0.15] [%clk 0:20:43] } 27... Kg7 { [%eval -0.06] [%clk 0:18:28] } 28. Re6 { [%eval -0.08] [%clk 0:20:33] } 28... Nxc4 { [%eval -0.06] [%clk 0:15:44] } 29. Ng4 { [%eval 0.0] [%clk 0:17:29] } 29... Rxe6 { [%eval 0.0] [%clk 0:02:33] } 30. dxe6 { [%eval 0.0] [%clk 0:17:53] } 30... Nde5 { [%eval -0.03] [%clk 0:03:00] } 31. Rf1 { [%eval 0.0] [%clk 0:17:11] } 31... Rf8 { [%eval 0.0] [%clk 0:02:44] } 32. e7 { [%eval 0.0] [%clk 0:13:13] } 32... Re8 { [%eval 0.0] [%clk 0:03:13] } 33. Rxf6 { [%eval 0.0] [%clk 0:13:30] } 33... h5 { [%eval 0.0] [%clk 0:02:06] } 34. Rc6 { [%eval 0.03] [%clk 0:13:09] } 34... hxg4 { [%eval 0.02] [%clk 0:02:14] } 35. Rxc4 { [%eval 0.12] [%clk 0:13:34] } 35... Rxe7?? { [%eval 5.98] } { Blunder. Kf6 was best. } { [%clk 0:02:17] } 36. Rc7 { [%eval 5.82] [%clk 0:14:03] } 36... Kf8 { [%eval 5.86] [%clk 0:00:32] } 37. Rxe7 { [%eval 5.9] [%clk 0:14:22] } 37... Kxe7 { [%eval 6.08] [%clk 0:01:00] } 38. Bxe5 { [%eval 5.91] [%clk 0:14:46] } 38... gxh3 { [%eval 6.35] [%clk 0:01:26] } 39. gxh3 { [%eval 6.53] [%clk 0:15:12] } 39... Ke6 { [%eval 6.7] [%clk 0:01:48] } 40. Bb8 { [%eval 7.01] [%clk 0:14:52] } 40... a6 { [%eval 6.82] [%clk 0:02:08] } 41. Bc7 { [%eval 6.86] [%clk 0:15:14] } 41... b5 { [%eval 6.84] [%clk 0:02:32] } 42. Ba5 { [%eval 7.45] [%clk 0:15:38] } 42... Kd5 { [%eval 7.27] [%clk 0:27:30] } 43. Kf2 { [%eval 7.36] [%clk 0:45:41] } 43... Kc4 { [%eval 7.23] [%clk 0:27:55] } 44. a3 { [%eval 6.4] [%clk 0:45:47] } 44... Kd5 { [%clk 0:26:53] } 1-0