Event: Round 9: Mattenberger, Matthias - Bogner, Sebastian
Date: 2025-07-20
White: Mattenberger, Matthias
WhiteTitle: FM
WhiteElo: 2276
Black: Bogner, Sebastian
BlackTitle: GM
BlackElo: 2543
Result: 0-1
ECO: E46
Opening: Nimzo-Indian Defense: Normal Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:57] } 2. c4 { [%eval 0.18] [%clk 1:31:18] } 2... e6 { [%eval 0.14] [%clk 1:31:23] } 3. Nc3 { [%eval 0.09] [%clk 1:31:27] } 3... Bb4 { [%eval 0.09] [%clk 1:31:49] } 4. e3 { [%eval 0.06] [%clk 1:31:49] } 4... O-O { [%eval 0.11] [%clk 1:32:15] } 5. Bd2 { [%eval 0.08] [%clk 1:32:13] } 5... d5 { [%eval 0.06] [%clk 1:32:22] } 6. Nf3 { [%eval 0.11] [%clk 1:32:33] } 6... Nbd7 { [%eval 0.11] [%clk 1:32:48] } 7. Rc1 { [%eval 0.19] [%clk 1:32:02] } 7... c6 { [%eval 0.22] [%clk 1:33:13] } 8. Bd3 { [%eval 0.25] [%clk 1:32:13] } 8... Qe7 { [%eval 0.28] [%clk 1:32:56] } 9. O-O { [%eval 0.16] [%clk 1:30:59] } 9... dxc4 { [%eval 0.13] [%clk 1:33:13] } 10. Bxc4 { [%eval 0.17] [%clk 1:31:24] } 10... e5 { [%eval 0.17] [%clk 1:33:39] } 11. Qc2 { [%eval 0.21] [%clk 1:31:48] } 11... Bxc3 { [%eval 0.15] [%clk 1:33:40] } 12. Bxc3 { [%eval 0.19] [%clk 1:31:12] } 12... e4 { [%eval 0.15] [%clk 1:34:05] } 13. Ne5 { [%eval 0.12] [%clk 1:29:56] } 13... Nb6 { [%eval 0.14] [%clk 1:34:31] } 14. Be2 { [%eval 0.1] [%clk 1:14:33] } 14... Bf5 { [%eval 0.29] [%clk 1:34:45] } 15. b4 { [%eval -0.16] [%clk 1:12:12] } 15... Nfd5 { [%eval -0.18] [%clk 1:33:43] } 16. Rb1 { [%eval -0.32] [%clk 1:09:23] } 16... Qg5 { [%eval -0.43] [%clk 1:21:40] } 17. Kh1 { [%eval -0.44] [%clk 0:55:49] } 17... Rfe8 { [%eval -0.11] [%clk 1:00:34] } 18. Rfc1 { [%eval -0.35] [%clk 0:37:39] } 18... Re6 { [%eval 0.05] [%clk 0:58:18] } 19. Qd1 { [%eval -0.35] [%clk 0:25:25] } 19... Rh6 { [%eval -0.25] [%clk 0:54:22] } 20. Bd2 { [%eval -0.45] [%clk 0:21:44] } 20... Nd7 { [%eval -0.34] [%clk 0:50:15] } 21. Nxd7 { [%eval -0.39] [%clk 0:17:50] } 21... Bxd7 { [%eval -0.46] [%clk 0:49:46] } 22. Qg1 { [%eval -0.4] [%clk 0:15:20] } 22... Re8 { [%eval -0.29] [%clk 0:36:56] } 23. Rb3 { [%eval -0.57] [%clk 0:14:04] } 23... Rg6 { [%eval -0.57] [%clk 0:34:57] } 24. Qf1 { [%eval -0.45] [%clk 0:11:52] } 24... Bg4 { [%eval -0.23] [%clk 0:25:26] } 25. Bxg4 { [%eval -0.12] [%clk 0:10:56] } 25... Qxg4 { [%eval -0.19] [%clk 0:25:50] } 26. a4 { [%eval -0.67] [%clk 0:10:14] } 26... Qd7 { [%eval -0.29] [%clk 0:25:23] } 27. h3? { [%eval -1.68] } { Mistake. b5 was best. } { [%clk 0:09:30] } 27... Ree6?! { [%eval -0.65] } { Inaccuracy. Ne7 was best. } { [%clk 0:20:26] } 28. b5 { [%eval -0.71] [%clk 0:08:45] } 28... h6 { [%eval -0.68] [%clk 0:20:36] } 29. a5 { [%eval -0.54] [%clk 0:07:32] } 29... Ref6 { [%eval -0.62] [%clk 0:20:36] } 30. Rcb1? { [%eval -2.19] } { Mistake. a6 was best. } { [%clk 0:05:16] } 30... b6 { [%eval -1.88] [%clk 0:15:09] } 31. axb6 { [%eval -1.97] [%clk 0:04:50] } 31... axb6 { [%eval -2.03] [%clk 0:15:38] } 32. Be1 { [%eval -2.21] [%clk 0:04:33] } 32... Rg5? { [%eval -0.67] } { Mistake. cxb5 was best. } { [%clk 0:13:55] } 33. bxc6? { [%eval -2.01] } { Mistake. Rc1 was best. } { [%clk 0:03:26] } 33... Rxc6 { [%eval -2.02] [%clk 0:14:07] } 34. Kh2 { [%eval -2.16] [%clk 0:01:01] } 34... Rcg6 { [%eval -2.08] [%clk 0:12:40] } 35. g3 { [%eval -2.15] [%clk 0:01:05] } 35... Rf5?! { [%eval -1.14] } { Inaccuracy. Rh5 was best. } { [%clk 0:06:10] } 36. Qg2? { [%eval -2.71] } { Mistake. f4 was best. } { [%clk 0:01:08] } 36... Rf3 { [%eval -2.51] [%clk 0:06:21] } 37. Ra3 { [%eval -2.57] [%clk 0:00:54] } 37... Rc6 { [%eval -2.47] [%clk 0:04:59] } 38. Ra2 { [%eval -2.51] [%clk 0:00:47] } 38... h5 { [%eval -2.5] [%clk 0:04:48] } 39. h4 { [%eval -2.22] [%clk 0:01:11] } 39... Nf6 { [%eval -2.07] [%clk 0:03:31] } 40. Kg1 { [%eval -2.21] [%clk 0:01:31] } 40... Ng4 { [%eval -1.6] [%clk 0:03:10] } 41. Qf1 { [%eval -1.81] [%clk 0:29:04] } 41... Nxe3 { [%eval -1.71] [%clk 0:22:50] } 42. Qe2?? { [%eval -4.31] } { Blunder. Qb5 was best. } { [%clk 0:25:09] } 42... Qh3 { [%eval -4.21] [%clk 0:23:02] } 43. fxe3 { [%eval -5.26] [%clk 0:25:24] } 43... Rcf6 { [%eval -5.24] [%clk 0:23:29] } 44. Bf2 { [%eval -5.8] [%clk 0:24:03] } 44... Rxf2 { [%eval -5.58] [%clk 0:22:50] } 45. Qxf2 { [%eval -5.81] [%clk 0:24:16] } 45... Rxf2 { [%eval -5.86] [%clk 0:23:14] } 46. Rxf2 { [%eval -5.69] [%clk 0:24:42] } 46... Qxg3+ { [%eval -5.75] [%clk 0:23:40] } 47. Kf1 { [%eval -5.56] [%clk 0:25:07] } 47... Qxe3 { [%eval -5.23] [%clk 0:23:51] } 48. Rd1?! { [%eval -7.24] } { Inaccuracy. Rbb2 was best. } { [%clk 0:25:10] } 48... Qh3+ { [%eval -7.07] [%clk 0:20:59] } 49. Ke1 { [%eval -7.06] [%clk 0:23:13] } 49... Qxh4 { [%eval -6.37] [%clk 0:21:24] } 0-1