Event: Round 4: Koebel, John - Umhang, Tanja
Date: 2025-01-03
White: Koebel, John
Black: Umhang, Tanja
Result: 0-1
ECO: D01
Opening: Rapport-Jobava System
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:59] } 1... d5 { [%eval 0.24] [%clk 1:30:49] } 2. Nc3 { [%eval -0.07] [%clk 1:31:23] } 2... Nf6 { [%eval 0.0] [%clk 1:30:42] } 3. Bf4 { [%eval -0.11] [%clk 1:31:43] } 3... a6 { [%eval 0.0] [%clk 1:30:28] } 4. e3 { [%eval 0.0] [%clk 1:31:59] } 4... Bf5 { [%eval 0.13] [%clk 1:30:32] } 5. f3 { [%eval -0.27] [%clk 1:32:13] } 5... Nc6 { [%eval 0.2] [%clk 1:29:53] } 6. g4 { [%eval 0.14] [%clk 1:30:56] } 6... Bg6 { [%eval 0.14] [%clk 1:29:44] } 7. h4 { [%eval 0.17] [%clk 1:31:18] } 7... h5 { [%eval 0.21] [%clk 1:28:45] } 8. g5 { [%eval 0.16] [%clk 1:31:39] } 8... Ng8 { [%eval 0.17] [%clk 1:28:35] } 9. Bd3 { [%eval 0.16] [%clk 1:29:49] } 9... Bxd3 { [%eval 0.21] [%clk 1:27:28] } 10. Qxd3 { [%eval 0.21] [%clk 1:30:06] } 10... Nb4 { [%eval 0.43] [%clk 1:26:44] } 11. Qd2 { [%eval 0.35] [%clk 1:28:27] } 11... e6 { [%eval 0.38] [%clk 1:26:30] } 12. a3 { [%eval 0.27] [%clk 1:19:45] } 12... Nc6 { [%eval 0.42] [%clk 1:26:52] } 13. Qg2 { [%eval 0.0] [%clk 1:20:00] } 13... Bd6 { [%eval 0.02] [%clk 1:26:46] } 14. Bxd6 { [%eval -0.09] [%clk 1:19:16] } 14... Qxd6 { [%eval -0.05] [%clk 1:26:47] } 15. g6?! { [%eval -0.6] } { Inaccuracy. Nge2 was best. } { [%clk 1:19:05] } 15... f6 { [%eval -0.54] [%clk 1:27:12] } 16. O-O-O { [%eval -0.47] [%clk 1:17:47] } 16... Nge7 { [%eval -0.49] [%clk 1:27:05] } 17. Nh3 { [%eval -0.55] [%clk 1:11:46] } 17... Nf5 { [%eval -0.48] [%clk 1:23:57] } 18. Qf2 { [%eval -0.51] [%clk 1:09:18] } 18... Na5?! { [%eval 0.13] } { Inaccuracy. O-O-O was best. } { [%clk 1:22:07] } 19. e4 { [%eval 0.16] [%clk 1:07:27] } 19... Ne7 { [%eval 0.17] [%clk 1:21:14] } 20. Nf4?? { [%eval -4.33] } { Blunder. e5 was best. } { [%clk 1:05:49] } 20... Qxf4+ { [%eval -4.31] [%clk 1:20:16] } 21. Kb1 { [%eval -4.38] [%clk 1:05:57] } 21... dxe4 { [%eval -4.4] [%clk 1:15:11] } 22. Nxe4 { [%eval -4.19] [%clk 1:05:24] } 22... O-O-O { [%eval -4.33] [%clk 1:13:00] } 23. Nc5 { [%eval -4.35] [%clk 1:05:27] } 23... Qf5 { [%eval -4.15] [%clk 1:10:32] } 24. Qe1 { [%eval -4.41] [%clk 1:03:45] } 24... Nac6 { [%eval -4.45] [%clk 1:04:32] } 25. Rd3 { [%eval -5.24] [%clk 1:00:53] } 25... Rxd4 { [%eval -5.32] [%clk 0:57:18] } 26. Rxd4 { [%eval -6.14] [%clk 0:53:33] } 26... Nxd4 { [%eval -6.05] [%clk 0:57:13] } 27. Qb4 { [%eval -6.78] [%clk 0:53:49] } 27... Qxf3 { [%eval -5.53] [%clk 0:51:10] } 28. Rc1 { [%eval -5.9] [%clk 0:49:26] } 28... e5 { [%eval -5.97] [%clk 0:46:31] } 29. c3 { [%eval -5.51] [%clk 0:45:15] } 29... Nb5 { [%eval -5.67] [%clk 0:40:26] } 30. c4 { [%eval -6.22] [%clk 0:40:57] } 30... Nc6 { [%eval -6.71] [%clk 0:38:07] } 31. Qa4 { [%eval -6.76] [%clk 0:36:40] } 31... Qf5+ { [%eval -6.61] [%clk 0:35:54] } 32. Ka1 { [%eval -7.04] [%clk 0:36:30] } 32... Nbd4 { [%eval -7.01] [%clk 0:35:25] } 33. Rd1 { [%eval -7.77] [%clk 0:34:33] } 33... e4 { [%eval -7.57] [%clk 0:33:52] } 34. b4 { [%eval -9.02] [%clk 0:30:45] } 34... e3 { [%eval -8.93] [%clk 0:32:10] } 35. Nxa6? { [%eval #-15] } { Checkmate is now unavoidable. Nd3 was best. } { [%clk 0:30:54] } 35... e2 { [%eval -10.65] [%clk 0:30:29] } 36. Rc1?! { [%eval #-10] } { Checkmate is now unavoidable. Nc5 was best. } { [%clk 0:30:13] } 36... e1=Q?! { [%eval -10.5] } { Lost forced checkmate sequence. Qf1 was best. } { [%clk 0:26:47] } 37. Rxe1 { [%eval -10.11] [%clk 0:30:17] } 37... Nc2+ { [%eval -10.21] [%clk 0:27:17] } 38. Kb2 { [%eval -10.12] [%clk 0:30:28] } 38... Nxe1 { [%eval -9.95] [%clk 0:27:41] } 39. Nc5 { [%eval -9.72] [%clk 0:30:44] } 39... Qe5+ { [%eval -7.09] [%clk 0:27:02] } 40. Kb1 { [%eval -8.13] [%clk 0:30:17] } 40... Qf5+ { [%eval -7.97] [%clk 0:26:17] } 41. Ka1 { [%eval -8.48] [%clk 0:29:14] } 41... Nb8 { [%eval -8.39] [%clk 0:21:39] } 42. Qa8 { [%eval -10.47] [%clk 0:28:14] } 42... Qe5+ { [%eval -10.14] [%clk 0:20:28] } 43. Ka2 { [%eval -10.95] [%clk 0:28:16] } 43... Qe2+ { [%eval -10.51] [%clk 0:20:12] } 0-1