Event: Round 4: Koelle, Tobias - Krastev, Alexander
Date: 2025-05-29
White: Koelle, Tobias
WhiteTitle: IM
WhiteElo: 2553
Black: Krastev, Alexander
BlackTitle: IM
BlackElo: 2433
Result: 1/2-1/2
ECO: D01
Opening: Rapport-Jobava System, with e6
Variant: Standard
TimeControl: 3+2

1. d4 { [%eval 0.17] [%clk 0:03:03] } 1... e6 { [%eval 0.37] [%clk 0:03:04] } 2. Bf4 { [%eval 0.1] [%clk 0:03:01] } 2... d5 { [%eval 0.1] [%clk 0:02:59] } 3. Nc3 { [%eval 0.0] [%clk 0:02:59] } 3... a6 { [%eval 0.12] [%clk 0:02:45] } 4. e4 { [%eval 0.24] [%clk 0:03:00] } 4... Nf6 { [%eval 0.19] [%clk 0:02:44] } 5. exd5 { [%eval 0.08] [%clk 0:02:59] } 5... exd5 { [%eval 0.05] [%clk 0:02:40] } 6. Bd3 { [%eval 0.0] [%clk 0:03:00] } 6... Bd6 { [%eval 0.18] [%clk 0:02:33] } 7. Bxd6 { [%eval 0.12] [%clk 0:02:54] } 7... Qxd6 { [%eval 0.18] [%clk 0:02:33] } 8. Qe2+ { [%eval -0.02] [%clk 0:02:55] } 8... Be6 { [%eval 0.07] [%clk 0:02:33] } 9. Nf3 { [%eval -0.13] [%clk 0:02:55] } 9... O-O { [%eval 0.18] [%clk 0:02:24] } 10. O-O { [%eval -0.17] [%clk 0:02:55] } 10... Re8 { [%eval 0.06] [%clk 0:02:15] } 11. Qd2 { [%eval -0.04] [%clk 0:02:50] } 11... Nc6 { [%eval -0.06] [%clk 0:02:12] } 12. h3 { [%eval -0.01] [%clk 0:02:48] } 12... Nb4 { [%eval -0.05] [%clk 0:02:10] } 13. Rfe1 { [%eval -0.06] [%clk 0:02:44] } 13... Nxd3 { [%eval -0.02] [%clk 0:02:08] } 14. Qxd3 { [%eval -0.01] [%clk 0:02:45] } 14... Nd7 { [%eval 0.08] [%clk 0:01:51] } 15. Re3 { [%eval 0.13] [%clk 0:02:45] } 15... f6 { [%eval 0.16] [%clk 0:01:51] } 16. Rae1 { [%eval 0.08] [%clk 0:02:45] } 16... Bf7 { [%eval 0.11] [%clk 0:01:52] } 17. Nh4 { [%eval 0.19] [%clk 0:02:41] } 17... g6 { [%eval 0.24] [%clk 0:01:27] } 18. g3 { [%eval 0.17] [%clk 0:02:38] } 18... Nb6 { [%eval 0.17] [%clk 0:01:26] } 19. b3 { [%eval 0.11] [%clk 0:02:39] } 19... Qd7 { [%eval 0.18] [%clk 0:01:22] } 20. Kh2 { [%eval 0.18] [%clk 0:02:39] } 20... Rxe3 { [%eval 0.12] [%clk 0:01:22] } 21. Rxe3 { [%eval 0.03] [%clk 0:02:41] } 21... Re8 { [%eval 0.06] [%clk 0:01:22] } 22. Ng2 { [%eval 0.05] [%clk 0:02:41] } 22... Nc8 { [%eval 0.06] [%clk 0:01:21] } 23. Rxe8+ { [%eval 0.06] [%clk 0:02:42] } 23... Qxe8 { [%eval 0.07] [%clk 0:01:22] } 24. Ne3 { [%eval 0.02] [%clk 0:02:43] } 24... c6 { [%eval 0.08] [%clk 0:01:21] } 25. Ng4 { [%eval -0.01] [%clk 0:02:41] } 25... Kg7 { [%eval 0.0] [%clk 0:01:16] } 26. Qd2 { [%eval 0.0] [%clk 0:02:42] } 26... g5 { [%eval 0.0] [%clk 0:01:16] } 27. f4 { [%eval -0.29] [%clk 0:02:36] } 27... h6 { [%eval -0.25] [%clk 0:01:15] } 28. fxg5 { [%eval -0.32] [%clk 0:02:36] } 28... hxg5 { [%eval -0.31] [%clk 0:01:16] } 29. h4 { [%eval -0.24] [%clk 0:02:20] } 29... Be6 { [%eval -0.3] [%clk 0:00:53] } 30. Nf2?! { [%eval -0.96] } { Inaccuracy. Ne3 was best. } { [%clk 0:02:13] } 30... Qh5?! { [%eval -0.35] } { Inaccuracy. gxh4 was best. } { [%clk 0:00:47] } 31. Qe3? { [%eval -1.67] } { Mistake. Qe2 was best. } { [%clk 0:02:11] } 31... Kf7 { [%eval -1.31] [%clk 0:00:46] } 32. Ne2?! { [%eval -2.31] } { Inaccuracy. Qe2 was best. } { [%clk 0:02:07] } 32... Nd6?! { [%eval -1.21] } { Inaccuracy. Bf5 was best. } { [%clk 0:00:41] } 33. Kg2 { [%eval -1.22] [%clk 0:01:47] } 33... Nf5 { [%eval -1.27] [%clk 0:00:41] } 34. Qf3 { [%eval -1.31] [%clk 0:01:01] } 34... Qxf3+ { [%eval -1.2] [%clk 0:00:42] } 35. Kxf3 { [%eval -1.17] [%clk 0:01:02] } 35... gxh4 { [%eval -1.22] [%clk 0:00:43] } 36. gxh4 { [%eval -1.29] [%clk 0:01:03] } 36... Nxh4+ { [%eval -1.17] [%clk 0:00:43] } 37. Ke3 { [%eval -1.22] [%clk 0:01:01] } 37... Nf5+ { [%eval -1.2] [%clk 0:00:32] } 38. Kf3 { [%eval -1.49] [%clk 0:00:57] } 38... Nd6 { [%eval -1.56] [%clk 0:00:33] } 39. Nd3 { [%eval -1.67] [%clk 0:00:53] } 39... Bf5 { [%eval -1.64] [%clk 0:00:33] } 40. Ne1 { [%eval -1.69] [%clk 0:00:50] } 40... Be4+ { [%eval -1.75] [%clk 0:00:34] } 41. Kf2?! { [%eval -2.72] } { Inaccuracy. Kf4 was best. } { [%clk 0:00:51] } 41... Kg6 { [%eval -2.95] [%clk 0:00:20] } 42. a4 { [%eval -3.12] [%clk 0:00:52] } 42... Kg5 { [%eval -3.13] [%clk 0:00:18] } 43. a5 { [%eval -3.51] [%clk 0:00:52] } 43... Nb5 { [%eval -3.46] [%clk 0:00:19] } 44. c3 { [%eval -3.89] [%clk 0:00:43] } 44... f5 { [%eval -3.4] [%clk 0:00:19] } 45. Ke3?! { [%eval -4.51] } { Inaccuracy. Kg3 was best. } { [%clk 0:00:44] } 45... Nc7 { [%eval -4.04] [%clk 0:00:17] } 46. Nf4 { [%eval -4.06] [%clk 0:00:44] } 46... Kf6?! { [%eval -2.96] } { Inaccuracy. Nb5 was best. } { [%clk 0:00:18] } 47. Ned3?! { [%eval -4.06] } { Inaccuracy. c4 was best. } { [%clk 0:00:43] } 47... Bxd3 { [%eval -4.07] [%clk 0:00:18] } 48. Nxd3 { [%eval -3.75] [%clk 0:00:44] } 48... Nb5?? { [%eval 0.0] } { Blunder. Ne6 was best. } { [%clk 0:00:18] } 49. Nc5 { [%eval 0.0] [%clk 0:00:42] } 49... Nxc3 { [%eval 0.0] [%clk 0:00:06] } 50. Nxb7 { [%eval 0.0] [%clk 0:00:43] } 50... Nb5 { [%eval 0.0] [%clk 0:00:07] } 51. Nc5 { [%eval 0.0] [%clk 0:00:44] } 51... Nc7 { [%eval 0.0] [%clk 0:00:08] } 52. Kf3?? { [%eval -4.45] } { Blunder. Kf4 was best. } { [%clk 0:00:43] } 52... Ke7?? { [%eval 0.0] } { Blunder. Ne6 was best. } { [%clk 0:00:09] } 53. b4 { [%eval 0.0] [%clk 0:00:37] } 53... Ne6 { [%eval 0.0] [%clk 0:00:05] } 54. Nxa6 { [%eval 0.0] [%clk 0:00:37] } 54... Nxd4+ { [%eval 0.0] [%clk 0:00:06] } 55. Kf4 { [%eval 0.0] [%clk 0:00:38] } 55... Kd6 { [%eval 0.0] [%clk 0:00:06] } 56. Nc5 { [%eval 0.09] [%clk 0:00:40] } 56... Kc7 { [%eval 0.19] [%clk 0:00:03] } 57. Nd3 { [%eval 0.18] [%clk 0:00:34] } 57... Kd6 { [%eval 0.2] [%clk 0:00:04] } 58. a6 { [%eval 0.0] [%clk 0:00:33] } 58... Kc7 { [%eval 0.0] [%clk 0:00:06] } 59. Ke5 { [%eval 0.0] [%clk 0:00:34] } 59... Nb5 { [%eval 0.0] [%clk 0:00:04] } 60. Kxf5 { [%eval 0.0] [%clk 0:00:30] } 60... Kb6 { [%eval 0.03] [%clk 0:00:06] } 61. Nc5 { [%eval 0.0] [%clk 0:00:32] } 61... Nc7 { [%eval 0.0] [%clk 0:00:07] } 62. a7 { [%eval 0.0] [%clk 0:00:16] } 62... Kxa7 { [%eval 0.0] [%clk 0:00:09] } 63. Ke5 { [%eval 0.0] [%clk 0:00:14] } 63... Na6 { [%eval -0.01] [%clk 0:00:07] } 64. Na4?? { [%eval -4.56] } { Blunder. b5 was best. } { [%clk 0:00:04] } 64... Nxb4 { [%eval -4.48] [%clk 0:00:07] } 65. Kd6 { [%eval -4.39] [%clk 0:00:06] } 65... Kb7 { [%eval -4.15] [%clk 0:00:03] } 66. Nc5+?! { [%eval -5.7] } { Inaccuracy. Kc5 was best. } { [%clk 0:00:06] } 66... Kb6 { [%eval -5.41] [%clk 0:00:05] } 67. Nd7+ { [%eval -5.96] [%clk 0:00:08] } 67... Kb5 { [%eval -5.93] [%clk 0:00:06] } 68. Nf6 { [%eval -5.57] [%clk 0:00:08] } 68... d4 { [%eval -5.91] [%clk 0:00:05] } 69. Ke5 { [%eval -6.81] [%clk 0:00:10] } 69... d3 { [%eval -6.81] [%clk 0:00:06] } 70. Ne4 { [%eval -5.91] [%clk 0:00:06] } 70... c5?! { [%eval -4.28] } { Inaccuracy. Kc4 was best. } { [%clk 0:00:07] } 71. Nd2?! { [%eval -6.17] } { Inaccuracy. Nd6+ was best. } { [%clk 0:00:06] } 71... c4?? { [%eval 0.0] } { Blunder. Nc6+ was best. } { [%clk 0:00:04] } 72. Kd4 { [%eval 0.0] [%clk 0:00:08] } 72... Nc6+ { [%eval 0.0] [%clk 0:00:05] } 73. Kc3 { [%eval 0.1] [%clk 0:00:09] } 73... Na5 { [%clk 0:00:05] } 74. Ne4 { [%clk 0:00:09] } 74... Nb3 { [%clk 0:00:06] } 75. Nd6+ { [%clk 0:00:10] } 1/2-1/2