Event: Round 5: Kurmann, Oliver - Mattenberger, Matthias
Date: 2025-07-16
White: Kurmann, Oliver
WhiteTitle: IM
WhiteElo: 2417
Black: Mattenberger, Matthias
BlackTitle: FM
BlackElo: 2276
Result: 1-0
ECO: B92
Opening: Sicilian Defense: Najdorf Variation, Opocensky Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:45] } 2. Nf3 { [%eval 0.2] [%clk 1:31:20] } 2... d6 { [%eval 0.31] [%clk 1:31:02] } 3. d4 { [%eval 0.22] [%clk 1:31:43] } 3... cxd4 { [%eval 0.19] [%clk 1:31:22] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:10] } 4... Nf6 { [%eval 0.31] [%clk 1:31:37] } 5. Nc3 { [%eval 0.32] [%clk 1:32:35] } 5... a6 { [%eval 0.28] [%clk 1:31:54] } 6. Be2 { [%eval 0.14] [%clk 1:32:51] } 6... e5 { [%eval 0.14] [%clk 1:32:10] } 7. Nb3 { [%eval 0.09] [%clk 1:33:15] } 7... Be7 { [%eval 0.14] [%clk 1:32:30] } 8. Be3 { [%eval 0.25] [%clk 1:33:32] } 8... Be6 { [%eval 0.31] [%clk 1:32:50] } 9. Nd5 { [%eval 0.33] [%clk 1:33:48] } 9... Nbd7 { [%eval 0.37] [%clk 1:32:20] } 10. Qd3 { [%eval 0.3] [%clk 1:34:08] } 10... Bxd5 { [%eval 0.26] [%clk 1:32:21] } 11. exd5 { [%eval 0.35] [%clk 1:34:36] } 11... O-O { [%eval 0.58] [%clk 1:32:26] } 12. a4 { [%eval 0.21] [%clk 1:32:30] } 12... Ne8 { [%eval 0.5] [%clk 1:31:55] } 13. a5 { [%eval 0.45] [%clk 1:25:57] } 13... Bg5 { [%eval 0.36] [%clk 1:31:02] } 14. O-O { [%eval 0.39] [%clk 1:24:38] } 14... f5 { [%eval 0.48] [%clk 1:20:29] } 15. f4 { [%eval 0.61] [%clk 1:24:31] } 15... Bh6 { [%eval 0.59] [%clk 1:20:29] } 16. c4 { [%eval 0.56] [%clk 1:03:52] } 16... g6 { [%eval 0.6] [%clk 1:05:47] } 17. fxe5 { [%eval 0.6] [%clk 1:00:02] } 17... Nxe5 { [%eval 0.52] [%clk 1:03:22] } 18. Qd2 { [%eval 0.57] [%clk 1:00:31] } 18... Bxe3+ { [%eval 0.54] [%clk 1:02:22] } 19. Qxe3 { [%eval 0.63] [%clk 1:00:59] } 19... Qf6 { [%eval 1.05] [%clk 0:58:24] } 20. Nd4 { [%eval 1.16] [%clk 0:57:19] } 20... Ng7 { [%eval 1.13] [%clk 0:55:36] } 21. b4 { [%eval 1.14] [%clk 0:55:38] } 21... f4 { [%eval 0.96] [%clk 0:50:12] } 22. Qd2 { [%eval 1.08] [%clk 0:55:25] } 22... g5 { [%eval 1.31] [%clk 0:44:01] } 23. c5 { [%eval 1.37] [%clk 0:53:58] } 23... dxc5 { [%eval 1.25] [%clk 0:33:40] } 24. bxc5 { [%eval 1.26] [%clk 0:54:15] } 24... g4 { [%eval 1.51] [%clk 0:31:29] } 25. Rab1 { [%eval 1.09] [%clk 0:51:21] } 25... Qf7? { [%eval 2.58] } { Mistake. f3 was best. } { [%clk 0:25:38] } 26. Qa2?? { [%eval 0.2] } { Blunder. c6 was best. } { [%clk 0:43:32] } 26... Kh8 { [%eval 0.17] [%clk 0:23:04] } 27. Qb3 { [%eval 0.19] [%clk 0:34:29] } 27... f3 { [%eval 0.36] [%clk 0:21:15] } 28. gxf3 { [%eval 0.4] [%clk 0:33:06] } 28... Qf4 { [%eval 0.37] [%clk 0:20:36] } 29. Qc3 { [%eval 0.34] [%clk 0:31:52] } 29... g3 { [%eval 0.42] [%clk 0:19:14] } 30. h3 { [%eval 0.6] [%clk 0:22:34] } 30... Rf6?! { [%eval 1.45] } { Inaccuracy. Rae8 was best. } { [%clk 0:16:05] } 31. Rb4 { [%eval 1.37] [%clk 0:11:59] } 31... g2?! { [%eval 2.26] } { Inaccuracy. Re8 was best. } { [%clk 0:13:39] } 32. Rf2 { [%eval 1.89] [%clk 0:11:40] } 32... Rg6?! { [%eval 3.22] } { Inaccuracy. Rg8 was best. } { [%clk 0:13:46] } 33. Rxg2 { [%eval 3.42] [%clk 0:10:52] } 33... Rxg2+ { [%eval 3.39] [%clk 0:13:47] } 34. Kxg2 { [%eval 3.02] [%clk 0:11:21] } 34... Rg8 { [%eval 3.32] [%clk 0:11:25] } 35. Kf1?? { [%eval 1.21] } { Blunder. Kf2 was best. } { [%clk 0:11:38] } 35... Qg3 { [%eval 1.26] [%clk 0:08:20] } 36. Qe3 { [%eval 1.43] [%clk 0:11:17] } 36... Re8?! { [%eval 2.67] } { Inaccuracy. Qxh3+ was best. } { [%clk 0:05:16] } 37. Ne6 { [%eval 2.65] [%clk 0:02:26] } 37... Nxe6 { [%eval 2.74] [%clk 0:00:38] } 38. dxe6 { [%eval 2.33] [%clk 0:02:55] } 38... Rxe6 { [%eval 2.83] [%clk 0:00:33] } 39. Re4?? { [%eval 0.0] } { Blunder. Qd4 was best. } { [%clk 0:03:23] } 39... Qxh3+ { [%eval 0.0] [%clk 0:00:39] } 40. Ke1 { [%eval 0.13] [%clk 0:03:52] } 40... Re7?? { [%eval 6.19] } { Blunder. Qh1+ was best. } { [%clk 0:00:40] } 41. Qg5 { [%eval 6.36] [%clk 0:27:06] } 41... Qh1+ { [%eval 6.27] [%clk 0:23:42] } 42. Kd2 { [%eval 5.95] [%clk 0:26:56] } 42... Nxf3+?? { [%eval #26] } { Checkmate is now unavoidable. Re6 was best. } { [%clk 0:16:24] } 43. Bxf3 { [%eval 14.17] [%clk 0:26:47] } 43... Qh2+ { [%eval #34] [%clk 0:16:26] } 44. Kc3 { [%eval 12.01] [%clk 0:24:25] } 44... Rxe4 { [%eval 10.34] [%clk 0:16:24] } 45. Bxe4 { [%eval 8.31] [%clk 0:24:46] } 45... h6? { [%eval #4] } { Checkmate is now unavoidable. Qh3+ was best. } { [%clk 0:16:31] } 46. Qf6+ { [%eval #3] [%clk 0:24:46] } 46... Kg8 { [%eval #3] [%clk 0:16:58] } 47. Bd5+ { [%eval #2] [%clk 0:24:59] } 1-0