Event: Round 9: Koehne, Arno - Ewert, Hannes
Date: 2024-12-07
White: Koehne, Arno
WhiteElo: 1894
Black: Ewert, Hannes
BlackTitle: FM
BlackElo: 2368
Result: 0-1
ECO: E51
Opening: Nimzo-Indian Defense: Normal Variation, Ragozin Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:03:03] } 1... Nf6 { [%eval 0.19] [%clk 0:03:03] } 2. c4 { [%eval 0.17] [%clk 0:03:05] } 2... e6 { [%eval 0.11] [%clk 0:03:05] } 3. Nc3 { [%eval 0.17] [%clk 0:03:06] } 3... Bb4 { [%eval 0.17] [%clk 0:03:06] } 4. Nf3 { [%eval 0.04] [%clk 0:03:02] } 4... d5 { [%eval 0.12] [%clk 0:03:06] } 5. e3 { [%eval 0.06] [%clk 0:03:03] } 5... O-O { [%eval 0.12] [%clk 0:03:05] } 6. Bd2 { [%eval 0.03] [%clk 0:03:03] } 6... c6 { [%eval 0.36] [%clk 0:02:59] } 7. Bd3 { [%eval 0.28] [%clk 0:03:03] } 7... Nbd7 { [%eval 0.32] [%clk 0:02:52] } 8. O-O { [%eval 0.4] [%clk 0:03:03] } 8... Re8? { [%eval 1.72] } { Mistake. dxc4 was best. } { [%clk 0:02:46] } 9. Re1? { [%eval 0.46] } { Mistake. Nxd5 was best. } { [%clk 0:03:04] } 9... b6?! { [%eval 1.05] } { Inaccuracy. c5 was best. } { [%clk 0:02:37] } 10. a3?! { [%eval 0.27] } { Inaccuracy. Nxd5 was best. } { [%clk 0:03:06] } 10... Bxc3 { [%eval 0.23] [%clk 0:02:31] } 11. Bxc3 { [%eval 0.4] [%clk 0:03:07] } 11... Bb7 { [%eval 0.47] [%clk 0:02:31] } 12. cxd5 { [%eval 0.48] [%clk 0:03:05] } 12... cxd5 { [%eval 0.64] [%clk 0:02:28] } 13. Rc1 { [%eval 0.5] [%clk 0:03:01] } 13... a6 { [%eval 0.84] [%clk 0:02:26] } 14. Qb3 { [%eval 0.56] [%clk 0:03:00] } 14... Rc8?! { [%eval 1.12] } { Inaccuracy. Ne4 was best. } { [%clk 0:02:21] } 15. Bb4 { [%eval 0.66] [%clk 0:02:57] } 15... Rxc1 { [%eval 0.73] [%clk 0:02:14] } 16. Rxc1 { [%eval 0.71] [%clk 0:02:58] } 16... Qb8 { [%eval 0.71] [%clk 0:02:13] } 17. h3 { [%eval 0.64] [%clk 0:02:53] } 17... Rc8 { [%eval 0.78] [%clk 0:02:14] } 18. Rxc8+ { [%eval 0.59] [%clk 0:02:16] } 18... Qxc8 { [%eval 0.55] [%clk 0:02:15] } 19. Qc2 { [%eval 0.52] [%clk 0:02:17] } 19... Qxc2 { [%eval 0.48] [%clk 0:02:09] } 20. Bxc2 { [%eval 0.44] [%clk 0:02:17] } 20... a5?! { [%eval 1.16] } { Inaccuracy. Ne4 was best. } { [%clk 0:02:00] } 21. Bd6 { [%eval 0.75] [%clk 0:02:15] } 21... Ne8 { [%eval 0.77] [%clk 0:01:56] } 22. Bg3 { [%eval 0.37] [%clk 0:02:10] } 22... Bc6 { [%eval 0.85] [%clk 0:01:51] } 23. Ne5 { [%eval 0.86] [%clk 0:02:08] } 23... Nxe5 { [%eval 0.86] [%clk 0:01:51] } 24. Bxe5 { [%eval 0.63] [%clk 0:02:09] } 24... h6 { [%eval 0.4] [%clk 0:01:33] } 25. Kf1 { [%eval 0.35] [%clk 0:02:10] } 25... Kf8 { [%eval 0.41] [%clk 0:01:33] } 26. Ke2 { [%eval 0.12] [%clk 0:02:10] } 26... Ke7 { [%eval 0.12] [%clk 0:01:34] } 27. Bd3 { [%eval 0.11] [%clk 0:01:44] } 27... f6 { [%eval 0.07] [%clk 0:01:34] } 28. Bg3 { [%eval 0.06] [%clk 0:01:42] } 28... Kd7 { [%eval 0.14] [%clk 0:00:59] } 29. Kd2 { [%eval 0.05] [%clk 0:01:37] } 29... Ba4 { [%eval 0.07] [%clk 0:00:44] } 30. Bg6 { [%eval 0.01] [%clk 0:01:32] } 30... Nd6 { [%eval 0.03] [%clk 0:00:41] } 31. Bd3 { [%eval -0.04] [%clk 0:01:29] } 31... Bc6 { [%eval 0.09] [%clk 0:00:40] } 32. Kc3 { [%eval -0.01] [%clk 0:01:26] } 32... Nc8 { [%eval 0.08] [%clk 0:00:35] } 33. Ba6 { [%eval 0.09] [%clk 0:01:21] } 33... Ne7 { [%eval 0.07] [%clk 0:00:36] } 34. Bd3 { [%eval 0.04] [%clk 0:01:21] } 34... Ba4 { [%eval 0.08] [%clk 0:00:31] } 35. Bb1 { [%eval -0.12] [%clk 0:01:14] } 35... Bd1 { [%eval 0.05] [%clk 0:00:24] } 36. Bd3 { [%eval 0.07] [%clk 0:01:15] } 36... Ba4 { [%eval 0.13] [%clk 0:00:15] } 37. Bb1 { [%eval -0.14] [%clk 0:01:15] } 37... Kc6 { [%eval 0.0] [%clk 0:00:16] } 38. Bd3 { [%eval -0.03] [%clk 0:01:16] } 38... Bb5 { [%eval 0.0] [%clk 0:00:16] } 39. Bxb5+ { [%eval 0.0] [%clk 0:00:57] } 39... Kxb5 { [%eval 0.0] [%clk 0:00:17] } 40. Bd6 { [%eval 0.0] [%clk 0:00:57] } 40... Ng6 { [%eval 0.0] [%clk 0:00:18] } 41. g3 { [%eval -0.05] [%clk 0:00:33] } 41... Kc6 { [%eval -0.03] [%clk 0:00:19] } 42. Bb8 { [%eval -0.12] [%clk 0:00:22] } 42... Nf8 { [%eval 0.0] [%clk 0:00:14] } 43. g4 { [%eval -0.07] [%clk 0:00:15] } 43... Ng6 { [%eval 0.0] [%clk 0:00:13] } 44. Bg3 { [%eval 0.0] [%clk 0:00:15] } 44... Ne7 { [%eval 0.0] [%clk 0:00:14] } 45. Kd3 { [%eval 0.0] [%clk 0:00:14] } 45... Nc8 { [%eval 0.0] [%clk 0:00:14] } 46. Kc3 { [%eval 0.0] [%clk 0:00:15] } 46... Na7 { [%eval 0.05] [%clk 0:00:15] } 47. a4 { [%eval -0.01] [%clk 0:00:16] } 47... Nc8 { [%eval 0.0] [%clk 0:00:15] } 48. Kd3 { [%eval -0.03] [%clk 0:00:15] } 48... b5 { [%eval 0.0] [%clk 0:00:15] } 49. axb5+ { [%eval 0.06] [%clk 0:00:15] } 49... Kxb5 { [%eval 0.0] [%clk 0:00:17] } 50. Kc3 { [%eval -0.02] [%clk 0:00:17] } 50... a4 { [%eval 0.0] } 51. Bc7 { [%eval -0.05] [%clk 0:00:09] } 51... g6 { [%eval 0.0] [%clk 0:00:15] } 52. Bd8 { [%eval -0.26] [%clk 0:00:10] } 52... f5 { [%eval -0.14] [%clk 0:00:16] } 53. gxf5? { [%eval -1.43] } { Mistake. g5 was best. } { [%clk 0:00:11] } 53... gxf5? { [%eval 0.0] } { Mistake. exf5 was best. } { [%clk 0:00:17] } 54. Bc7 { [%eval 0.0] [%clk 0:00:09] } 54... Ne7 { [%eval 0.0] [%clk 0:00:18] } 55. Bd6 { [%eval 0.0] [%clk 0:00:08] } 55... Nc6 { [%eval 0.0] [%clk 0:00:17] } 56. Bf8 { [%eval -0.04] [%clk 0:00:06] } 56... h5 { [%eval 0.0] [%clk 0:00:18] } 57. Bd6 { [%eval 0.0] [%clk 0:00:05] } 57... Na5 { [%eval -0.01] [%clk 0:00:19] } 58. Be7 { [%eval 0.0] [%clk 0:00:05] } 58... Nb3 { [%eval -0.03] [%clk 0:00:17] } 59. Bd6 { [%eval -0.06] [%clk 0:00:04] } 59... Nc1 { [%eval 0.0] [%clk 0:00:17] } 60. Bg3?? { [%eval -3.74] } { Blunder. Kd2 was best. } { [%clk 0:00:03] } 60... Nb3?? { [%eval 0.0] } { Blunder. f4 was best. } { [%clk 0:00:14] } 61. Bh4 { [%eval -0.19] [%clk 0:00:04] } 61... Na5 { [%eval -0.01] [%clk 0:00:15] } 62. Bg3 { [%eval -0.01] [%clk 0:00:05] } 62... Nc6 { [%eval -0.01] [%clk 0:00:16] } 63. Bh4 { [%eval -0.15] [%clk 0:00:06] } 63... Na7 { [%eval 0.0] [%clk 0:00:13] } 64. Bg3 { [%eval 0.0] [%clk 0:00:06] } 64... Nc8 { [%eval 0.0] [%clk 0:00:15] } 65. Bc7 { [%eval 0.0] [%clk 0:00:06] } 65... Ne7 { [%eval 0.0] [%clk 0:00:16] } 66. Bg3 { [%eval 0.0] [%clk 0:00:07] } 66... Ng8 { [%eval 0.0] [%clk 0:00:15] } 67. Be5 { [%eval 0.0] [%clk 0:00:05] } 67... Nh6 { [%eval -0.04] [%clk 0:00:16] } 68. Bg3 { [%eval 0.0] [%clk 0:00:06] } 68... Nf7 { [%eval 0.0] [%clk 0:00:16] } 69. Bf4 { [%eval 0.0] [%clk 0:00:06] } 69... Nd8 { [%eval -0.02] [%clk 0:00:14] } 70. Bg3 { [%eval 0.0] [%clk 0:00:07] } 70... Nc6 { [%eval 0.0] [%clk 0:00:14] } 71. Bd6 { [%eval -0.02] [%clk 0:00:08] } 71... Na5 { [%eval -0.03] [%clk 0:00:11] } 72. Bg3 { [%eval 0.0] [%clk 0:00:05] } 72... Nc4 { [%eval 0.0] [%clk 0:00:09] } 73. Bf4 { [%eval -0.02] [%clk 0:00:04] } 73... Na5 { [%eval 0.0] [%clk 0:00:07] } 74. Bg3 { [%eval -0.04] [%clk 0:00:05] } 74... Nc6 { [%eval 0.0] [%clk 0:00:08] } 75. Bf4 { [%eval 0.0] [%clk 0:00:05] } 75... Kb6 { [%eval 0.0] [%clk 0:00:08] } 76. Bd6 { [%eval 0.0] [%clk 0:00:04] } 76... Kb7 { [%eval 0.0] [%clk 0:00:09] } 77. Bf4 { [%clk 0:00:00] } 77... Kc8 0-1