Event: ODJM C 2025
Site: Willingen GER
Date: 2025-06-12
White: Volkmann, Alexej
WhiteElo: 834
Black: Hasekamp, Jonas
BlackElo: 812
Result: 1-0
ECO: A40
Opening: Mikenas Defense
Variant: Standard
Termination: normal

1. d4 { [%eval 0.17] [%clk 1:30:59] } 1... Nc6 { [%eval 0.6] [%clk 1:30:37] } 2. Bf4 { [%eval 0.3] [%clk 1:30:53] } 2... e6 { [%eval 0.43] [%clk 1:30:28] } 3. Nc3 { [%eval 0.17] [%clk 1:31:17] } 3... d6 { [%eval 0.54] [%clk 1:29:54] } 4. Nf3 { [%eval 0.46] [%clk 1:31:13] } 4... f6 { [%eval 0.98] [%clk 1:29:17] } 5. e4 { [%eval 0.97] [%clk 1:31:22] } 5... e5?! { [%eval 1.77] } { Inaccuracy. d5 was best. } { [%clk 1:29:02] } 6. dxe5? { [%eval 0.17] } { Mistake. Be3 was best. } { [%clk 1:31:14] } 6... fxe5? { [%eval 1.43] } { Mistake. dxe5 was best. } { [%clk 1:29:20] } 7. Bg5? { [%eval 0.27] } { Mistake. Be3 was best. } { [%clk 1:31:35] } 7... Be7 { [%eval 0.22] [%clk 1:29:07] } 8. Bxe7 { [%eval 0.0] [%clk 1:31:30] } 8... Ngxe7 { [%eval 0.0] [%clk 1:28:30] } 9. Bb5 { [%eval -0.43] [%clk 1:31:08] } 9... a6 { [%eval -0.16] [%clk 1:28:12] } 10. Bc4 { [%eval -0.19] [%clk 1:31:24] } 10... b5 { [%eval 0.0] [%clk 1:26:44] } 11. Bd5 { [%eval -0.21] [%clk 1:31:45] } 11... Nxd5 { [%eval -0.13] [%clk 1:25:50] } 12. Qxd5 { [%eval -0.08] [%clk 1:31:54] } 12... Bb7 { [%eval 0.0] [%clk 1:25:16] } 13. O-O { [%eval 0.0] [%clk 1:32:04] } 13... Na5 { [%eval 0.19] [%clk 1:25:08] } 14. Qe6+ { [%eval -0.06] [%clk 1:29:58] } 14... Qe7 { [%eval -0.1] [%clk 1:23:39] } 15. Qf5 { [%eval -0.08] [%clk 1:29:46] } 15... g6 { [%eval 0.07] [%clk 1:22:59] } 16. Qg4 { [%eval -0.13] [%clk 1:29:02] } 16... b4?? { [%eval 1.65] } { Blunder. O-O was best. } { [%clk 1:22:33] } 17. Nd5 { [%eval 1.66] [%clk 1:28:35] } 17... Bxd5 { [%eval 1.66] [%clk 1:22:08] } 18. exd5 { [%eval 1.68] [%clk 1:29:03] } 18... c6? { [%eval 3.64] } { Mistake. Nb7 was best. } { [%clk 1:21:41] } 19. dxc6? { [%eval 2.04] } { Mistake. Qxb4 was best. } { [%clk 1:29:05] } 19... Nxc6 { [%eval 1.96] [%clk 1:21:53] } 20. c3? { [%eval 0.62] } { Mistake. Rad1 was best. } { [%clk 1:28:29] } 20... bxc3 { [%eval 0.57] [%clk 1:22:09] } 21. bxc3 { [%eval 0.61] [%clk 1:28:54] } 21... e4? { [%eval 2.37] } { Mistake. Qd7 was best. } { [%clk 1:20:44] } 22. Rae1 { [%eval 2.19] [%clk 1:29:12] } 22... d5?! { [%eval 3.28] } { Inaccuracy. O-O was best. } { [%clk 1:20:43] } 23. c4 { [%eval 3.24] [%clk 1:28:46] } 23... Qb7? { [%eval 5.58] } { Mistake. Qd7 was best. } { [%clk 1:17:28] } 24. cxd5 { [%eval 5.62] [%clk 1:29:32] } 24... Nb4?! { [%eval 8.56] } { Inaccuracy. O-O was best. } { [%clk 1:17:01] } 25. Rxe4+ { [%eval 8.16] [%clk 1:29:10] } 25... Kd8? { [%eval #12] } { Checkmate is now unavoidable. Kf7 was best. } { [%clk 1:15:57] } 26. Rb1? { [%eval 9.43] } { Lost forced checkmate sequence. Qg5+ was best. } { [%clk 1:28:14] } 26... a5? { [%eval #12] } { Checkmate is now unavoidable. Qc7 was best. } { [%clk 1:14:29] } 27. a3? { [%eval 8.32] } { Lost forced checkmate sequence. Qg5+ was best. } { [%clk 1:29:56] } 27... Rb8 { [%eval 73.6] [%clk 1:14:12] } 28. axb4 { [%eval 10.95] [%clk 1:30:09] } 28... axb4?! { [%eval #8] } { Checkmate is now unavoidable. Qc7 was best. } { [%clk 1:14:31] } 29. Rbxb4? { [%eval 9.12] } { Lost forced checkmate sequence. Qg5+ was best. } { [%clk 1:30:24] } 29... Qa6? { [%eval #6] } { Checkmate is now unavoidable. Qc7 was best. } { [%clk 1:14:16] } 30. Rxb8+ { [%eval #5] [%clk 1:30:32] } 30... Kc7 { [%eval #5] [%clk 1:14:26] } 31. h3?! { [%eval 12.89] } { Lost forced checkmate sequence. Qf4+ was best. } { [%clk 1:30:57] } 31... Rxb8?! { [%eval #9] } { Checkmate is now unavoidable. Kxb8 was best. } { [%clk 1:14:24] } 32. Qf4+ { [%eval #9] [%clk 1:31:16] } 32... Kb7 { [%eval #9] [%clk 1:14:15] } 33. Re7+?! { [%eval 10.28] } { Lost forced checkmate sequence. Rb4+ was best. } { [%clk 1:30:28] } 33... Ka8 { [%eval 8.72] [%clk 1:14:02] } 34. Rxh7 { [%eval 9.49] [%clk 1:30:12] } 34... Rb1+ { [%eval 11.19] [%clk 1:12:58] } 35. Kh2 { [%eval 9.16] [%clk 1:29:58] } 35... Rc1? { [%eval #7] } { Checkmate is now unavoidable. Qa5 was best. } { [%clk 1:12:44] } 36. Qxc1 { [%eval #6] [%clk 1:29:42] } 36... Qa7 { [%eval #2] [%clk 1:09:32] } 37. d6 { [%eval #10] [%clk 1:31:34] } 37... g5 { [%eval #2] [%clk 1:09:18] } 38. Rxa7+ { [%eval #5] [%clk 1:32:01] } 38... Kxa7 { [%eval #5] [%clk 1:08:58] } 39. d7 { [%eval #4] [%clk 1:31:53] } 39... g4 { [%eval #4] [%clk 1:08:04] } 40. d8=Q { [%eval #3] [%clk 1:31:37] } 40... gxf3 { [%eval #2] [%clk 1:08:13] } 41. Qb2 { [%eval #1] [%clk 1:32:29] } 41... fxg2 { [%clk 1:08:14] } 42. Qa5# { [%clk 1:32:14] } 1-0