Event: Round 5: Kunin, Vitaly - Koepke, Christian
Date: 2025-05-20
White: Kunin, Vitaly
WhiteTitle: GM
WhiteElo: 2497
Black: Koepke, Christian
BlackTitle: IM
BlackElo: 2328
Result: 1-0
ECO: B54
Opening: Sicilian Defense: Prins Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:34] } 1... c5 { [%eval 0.25] [%clk 1:30:05] } 2. Nf3 { [%eval 0.2] [%clk 1:30:15] } 2... d6 { [%eval 0.31] [%clk 1:29:55] } 3. d4 { [%eval 0.22] [%clk 1:30:03] } 3... cxd4 { [%eval 0.19] [%clk 1:30:11] } 4. Nxd4 { [%eval 0.18] [%clk 1:30:02] } 4... Nf6 { [%eval 0.31] [%clk 1:30:23] } 5. f3 { [%eval 0.0] [%clk 1:30:18] } 5... e5 { [%eval 0.0] [%clk 1:27:18] } 6. Nb3 { [%eval 0.0] [%clk 1:30:32] } 6... d5 { [%eval 0.0] [%clk 1:27:32] } 7. Bg5 { [%eval 0.0] [%clk 1:30:53] } 7... d4 { [%eval 0.0] [%clk 1:27:33] } 8. c3 { [%eval 0.0] [%clk 1:31:08] } 8... Nc6 { [%eval 0.02] [%clk 1:27:46] } 9. cxd4 { [%eval 0.0] [%clk 1:31:28] } 9... Bb4+ { [%eval 0.04] [%clk 1:22:53] } 10. Bd2 { [%eval 0.0] [%clk 1:31:41] } 10... Nxe4 { [%eval 0.11] [%clk 1:20:31] } 11. Bxb4 { [%eval 0.04] [%clk 1:31:59] } 11... Qh4+ { [%eval 0.02] [%clk 1:20:53] } 12. g3 { [%eval 0.1] [%clk 1:32:21] } 12... Nxg3 { [%eval 0.02] [%clk 1:21:05] } 13. hxg3 { [%eval 0.09] [%clk 1:32:43] } 13... Qxh1 { [%eval 0.04] [%clk 1:21:04] } 14. Bc5 { [%eval 0.0] [%clk 1:33:04] } 14... Bh3 { [%eval 0.0] [%clk 0:38:19] } 15. N1d2 { [%eval 0.07] [%clk 1:32:59] } 15... O-O-O { [%eval 0.16] [%clk 0:29:33] } 16. Qc2 { [%eval 0.04] [%clk 1:32:59] } 16... Bxf1 { [%eval 0.14] [%clk 0:28:07] } 17. O-O-O { [%eval 0.02] [%clk 1:33:12] } 17... Kb8 { [%eval 0.3] [%clk 0:22:10] } 18. Rxf1 { [%eval 0.33] [%clk 1:31:54] } 18... Qg2?! { [%eval 1.34] } { Inaccuracy. Qh5 was best. } { [%clk 0:16:40] } 19. dxe5 { [%eval 1.29] [%clk 1:30:12] } 19... Qxg3 { [%eval 1.58] [%clk 0:14:41] } 20. Bd6+ { [%eval 1.4] [%clk 1:26:14] } 20... Ka8 { [%eval 1.48] [%clk 0:15:05] } 21. Nc5 { [%eval 1.35] [%clk 1:09:03] } 21... Qf4? { [%eval 2.66] } { Mistake. Nxe5 was best. } { [%clk 0:10:46] } 22. Re1?! { [%eval 1.51] } { Inaccuracy. Kb1 was best. } { [%clk 0:56:34] } 22... Qg3?! { [%eval 2.13] } { Inaccuracy. Qd4 was best. } { [%clk 0:05:52] } 23. Rd1?! { [%eval 1.05] } { Inaccuracy. Qd1 was best. } { [%clk 0:56:12] } 23... Nxe5 { [%eval 1.15] [%clk 0:05:18] } 24. Nxb7 { [%eval 1.23] [%clk 0:42:00] } 24... Rd7 { [%eval 1.16] [%clk 0:04:26] } 25. Bxe5?? { [%eval -0.69] } { Blunder. Qe4 was best. } { [%clk 0:41:38] } 25... Qxe5 { [%eval -0.83] [%clk 0:04:31] } 26. Nc5 { [%eval -0.72] [%clk 0:41:55] } 26... Rc8 { [%eval -0.83] [%clk 0:03:30] } 27. b4?? { [%eval -3.19] } { Blunder. Ndb3 was best. } { [%clk 0:41:21] } 27... Qa1+?? { [%eval 0.25] } { Blunder. Rb7 was best. } { [%clk 0:02:23] } 28. Nb1 { [%eval 0.29] [%clk 0:41:41] } 28... Rxd1+ { [%eval 0.16] [%clk 0:02:32] } 29. Qxd1 { [%eval 0.15] [%clk 0:41:48] } 29... Qxa2 { [%eval 0.16] [%clk 0:02:07] } 30. Qd4 { [%eval 0.21] [%clk 0:40:45] } 30... Qe6 { [%eval 0.26] [%clk 0:01:57] } 31. Nc3 { [%eval 0.0] [%clk 0:40:41] } 31... Qc6 { [%eval 0.07] [%clk 0:01:07] } 32. Kb2 { [%eval 0.0] [%clk 0:32:12] } 32... a5 { [%eval 0.0] [%clk 0:01:13] } 33. Kb3 { [%eval 0.0] [%clk 0:30:43] } 33... axb4 { [%eval 0.0] [%clk 0:01:21] } 34. N3e4 { [%eval 0.0] [%clk 0:31:05] } 34... f5 { [%eval 0.0] [%clk 0:01:21] } 35. Qa1+ { [%eval 0.0] [%clk 0:29:57] } 35... Kb8 { [%eval 0.0] [%clk 0:01:45] } 36. Qe5+ { [%eval 0.0] [%clk 0:28:10] } 36... Ka8 { [%eval 0.0] [%clk 0:01:33] } 37. Qxf5 { [%eval 0.0] [%clk 0:28:18] } 37... g6 { [%eval 0.29] [%clk 0:01:07] } 38. Qe5 { [%eval 0.39] [%clk 0:27:29] } 38... Rd8 { [%eval 0.63] [%clk 0:00:59] } 39. Ne6?! { [%eval 0.0] } { Inaccuracy. Qa1+ was best. } { [%clk 0:21:59] } 39... Rd3+ { [%eval 0.0] [%clk 0:00:51] } 40. Kb2 { [%eval 0.0] [%clk 0:22:24] } 40... Rxf3 { [%eval 0.02] [%clk 0:00:55] } 41. Nd4 { [%eval 0.0] [%clk 0:19:42] } 41... Qa6 { [%eval 0.0] [%clk 0:12:35] } 42. Qe8+ { [%eval 0.0] [%clk 0:33:00] } 42... Ka7 { [%eval 0.03] [%clk 0:12:55] } 43. Qd7+ { [%eval 0.22] [%clk 0:32:00] } 43... Qb7?? { [%eval 5.05] } { Blunder. Ka8 was best. } { [%clk 0:05:13] } 44. Nb5+ { [%eval 5.05] [%clk 0:29:25] } 44... Kb8?! { [%eval 6.71] } { Inaccuracy. Ka8 was best. } { [%clk 0:03:34] } 45. Qe8+ { [%eval 4.82] [%clk 0:17:24] } 45... Qc8 { [%eval 7.44] [%clk 0:03:58] } 46. Qe5+ { [%eval 4.87] [%clk 0:17:39] } 46... Ka8 { [%eval 5.07] [%clk 0:04:20] } 47. Nc7+ { [%eval 4.57] [%clk 0:17:56] } 47... Kb8?! { [%eval 6.99] } { Inaccuracy. Ka7 was best. } { [%clk 0:03:59] } 48. Nd5+ { [%eval 6.8] [%clk 0:09:10] } 48... Ka7 { [%eval 7.07] [%clk 0:04:16] } 49. Qd4+ { [%eval 78.72] [%clk 0:09:27] } 49... Kb8 { [%eval 70.03] [%clk 0:04:21] } 50. Nd6 { [%eval 58.56] [%clk 0:07:11] } 50... Qc6 { [%eval 15.73] [%clk 0:02:27] } 51. Qh8+ { [%eval 79.67] [%clk 0:05:26] } 51... Ka7 { [%eval 8.31] [%clk 0:02:52] } 52. Nc8+ { [%eval 6.53] [%clk 0:05:00] } 52... Kb7?? { [%eval #19] } { Checkmate is now unavoidable. Ka6 was best. } { [%clk 0:02:36] } 53. Qxh7+ { [%eval #20] [%clk 0:05:10] } 53... Kxc8 { [%eval #17] [%clk 0:01:40] } 54. Ne7+ { [%eval #16] [%clk 0:05:32] } 54... Kb7 { [%eval #16] [%clk 0:01:55] } 55. Nxc6+ { [%eval #15] [%clk 0:05:53] } 55... Kxc6 { [%eval #14] [%clk 0:02:21] } 56. Qh1 { [%clk 0:06:14] } 56... Kd5 { [%clk 0:02:12] } 1-0