Event: Round 7: Niehaus, Frank - Federau, Juergen
Date: 2025-02-11
White: Niehaus, Frank
WhiteElo: 2109
Black: Federau, Juergen
BlackTitle: FM
BlackElo: 2047
Result: 1-0
ECO: B93
Opening: Sicilian Defense: Najdorf Variation, Amsterdam Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:24:30] } 2. Nf3 { [%eval 0.2] [%clk 1:31:08] } 2... d6 { [%eval 0.22] [%clk 1:24:30] } 3. d4 { [%eval 0.22] [%clk 1:31:20] } 3... cxd4 { [%eval 0.19] [%clk 1:24:55] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:40] } 4... Nf6 { [%eval 0.25] [%clk 1:25:18] } 5. Nc3 { [%eval 0.32] [%clk 1:31:57] } 5... a6 { [%eval 0.32] [%clk 1:25:39] } 6. f4 { [%eval 0.0] [%clk 1:31:30] } 6... e5 { [%eval 0.1] [%clk 1:23:13] } 7. Nf3 { [%eval 0.0] [%clk 1:31:37] } 7... Nbd7 { [%eval 0.0] [%clk 1:10:34] } 8. a4 { [%eval 0.05] [%clk 1:31:10] } 8... Qc7 { [%eval 0.09] [%clk 1:10:11] } 9. Bd3 { [%eval 0.1] [%clk 1:30:37] } 9... Be7 { [%eval 0.02] [%clk 1:10:32] } 10. O-O { [%eval 0.1] [%clk 1:30:51] } 10... exf4 { [%eval 0.11] [%clk 1:02:15] } 11. Kh1 { [%eval 0.12] [%clk 1:28:15] } 11... Ne5 { [%eval 0.16] [%clk 0:58:45] } 12. Bxf4 { [%eval 0.15] [%clk 1:25:20] } 12... O-O { [%eval 0.32] [%clk 0:58:20] } 13. Qe1 { [%eval 0.12] [%clk 1:16:31] } 13... Re8 { [%eval 0.28] [%clk 0:57:56] } 14. Be3 { [%eval -0.02] [%clk 0:59:56] } 14... Nc4 { [%eval 0.52] [%clk 0:39:31] } 15. Bxc4 { [%eval 0.02] [%clk 0:50:43] } 15... Qxc4 { [%eval 0.04] [%clk 0:39:50] } 16. Rd1 { [%eval 0.1] [%clk 0:50:33] } 16... Be6 { [%eval 0.05] [%clk 0:32:08] } 17. b3 { [%eval -0.11] [%clk 0:47:50] } 17... Qc7 { [%eval -0.03] [%clk 0:31:44] } 18. Bd4 { [%eval 0.0] [%clk 0:45:13] } 18... Rac8 { [%eval 0.0] [%clk 0:22:19] } 19. Rc1 { [%eval -0.25] [%clk 0:39:04] } 19... Qc6 { [%eval -0.17] [%clk 0:15:25] } 20. e5? { [%eval -1.8] } { Mistake. Ng1 was best. } { [%clk 0:29:44] } 20... dxe5 { [%eval -1.66] [%clk 0:14:42] } 21. Nxe5 { [%eval -1.59] [%clk 0:30:04] } 21... Qc7 { [%eval -1.7] [%clk 0:13:48] } 22. Qg3 { [%eval -1.76] [%clk 0:21:06] } 22... Red8?! { [%eval -0.73] } { Inaccuracy. h6 was best. } { [%clk 0:12:22] } 23. Ne2 { [%eval -0.75] [%clk 0:19:53] } 23... Ne8?! { [%eval 0.03] } { Inaccuracy. Ne4 was best. } { [%clk 0:04:39] } 24. Nf3?! { [%eval -0.58] } { Inaccuracy. Ba1 was best. } { [%clk 0:14:35] } 24... Qxg3 { [%eval -0.77] [%clk 0:04:57] } 25. Nxg3 { [%eval -0.53] [%clk 0:14:11] } 25... Bd5 { [%eval -0.08] [%clk 0:03:33] } 26. Bb6 { [%eval -0.04] [%clk 0:11:38] } 26... Rd6 { [%eval 0.08] [%clk 0:02:17] } 27. Nf5 { [%eval 0.06] [%clk 0:11:03] } 27... Re6 { [%eval 0.04] [%clk 0:02:27] } 28. N3d4 { [%eval 0.0] [%clk 0:10:27] } 28... Re5 { [%eval 0.03] [%clk 0:02:07] } 29. Rce1 { [%eval 0.03] [%clk 0:10:44] } 29... Rxe1?! { [%eval 0.71] } { Inaccuracy. Be4 was best. } { [%clk 0:01:59] } 30. Rxe1 { [%eval 0.63] [%clk 0:11:09] } 30... Bf8 { [%eval 0.71] [%clk 0:02:16] } 31. c4 { [%eval 0.7] [%clk 0:11:08] } 31... Be6 { [%eval 1.14] [%clk 0:01:17] } 32. Nxe6 { [%eval 1.05] [%clk 0:11:08] } 32... fxe6 { [%eval 0.95] [%clk 0:01:43] } 33. Rxe6 { [%eval 0.72] [%clk 0:11:32] } 33... Kf7 { [%eval 0.67] [%clk 0:02:01] } 34. Re1 { [%eval 0.67] [%clk 0:11:35] } 34... Rc6 { [%eval 1.01] [%clk 0:02:01] } 35. Bd4 { [%eval 1.04] [%clk 0:10:55] } 35... Bb4?! { [%eval 1.78] } { Inaccuracy. Re6 was best. } { [%clk 0:01:46] } 36. Rf1 { [%eval 1.79] [%clk 0:11:15] } 36... Nf6 { [%eval 1.96] [%clk 0:01:51] } 37. Ne3?! { [%eval 1.19] } { Inaccuracy. g4 was best. } { [%clk 0:10:21] } 37... Bc5 { [%eval 1.65] [%clk 0:01:25] } 38. Bxc5 { [%eval 1.79] [%clk 0:09:37] } 38... Rxc5 { [%eval 1.67] [%clk 0:01:50] } 39. Nd5 { [%eval 1.73] [%clk 0:09:22] } 39... b5?! { [%eval 2.69] } { Inaccuracy. Ke6 was best. } { [%clk 0:01:53] } 40. Nxf6 { [%eval 2.55] [%clk 0:08:55] } 40... gxf6 { [%eval 2.91] [%clk 0:02:17] } 41. cxb5 { [%eval 2.6] [%clk 0:09:13] } 41... axb5 { [%eval 2.6] [%clk 0:02:41] } 42. a5 { [%eval 2.35] [%clk 0:06:45] } 42... b4? { [%eval 4.66] } { Mistake. Ke6 was best. } { [%clk 0:29:58] } 43. Ra1 { [%eval 4.89] [%clk 0:36:13] } 43... Rc7 { [%eval 4.99] [%clk 0:30:20] } 44. a6 { [%eval 4.97] [%clk 0:35:45] } 44... Ra7 { [%eval 4.95] [%clk 0:30:46] } 45. Kg1 { [%eval 4.9] [%clk 0:34:48] } 45... Ke6 { [%eval 5.02] [%clk 0:31:10] } 46. Kf2 { [%eval 4.97] [%clk 0:33:51] } 46... Kd5 { [%eval 5.08] [%clk 0:31:22] } 47. Ke3 { [%eval 5.05] [%clk 0:33:52] } 47... Kc5 { [%eval 5.11] [%clk 0:31:27] } 48. Ke4 { [%eval 5.11] [%clk 0:32:33] } 48... Kb6 { [%eval 5.13] [%clk 0:26:38] } 49. Kf5 { [%eval 5.57] [%clk 0:32:40] } 49... h5 { [%eval 5.62] [%clk 0:26:51] } 50. Kxf6 { [%eval 5.4] [%clk 0:30:33] } 1-0