Event: Round 8: Mattenberger, Matthias - Boyer, Mahel
Date: 2025-04-25
White: Mattenberger, Matthias
WhiteTitle: FM
WhiteElo: 2279
Black: Boyer, Mahel
BlackTitle: GM
BlackElo: 2528
Result: 0-1
ECO: D31
Opening: Queen's Gambit Declined: Queen's Knight Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... e6 { [%eval 0.37] [%clk 1:28:03] } 2. c4 { [%eval 0.16] [%clk 1:31:04] } 2... d5 { [%eval 0.27] [%clk 1:27:58] } 3. Nc3 { [%eval 0.18] [%clk 1:31:09] } 3... h6 { [%eval 0.37] [%clk 1:28:13] } 4. cxd5 { [%eval 0.25] [%clk 1:30:12] } 4... exd5 { [%eval 0.33] [%clk 1:28:38] } 5. Bf4 { [%eval 0.27] [%clk 1:30:08] } 5... Nf6 { [%eval 0.34] [%clk 1:28:46] } 6. e3 { [%eval 0.29] [%clk 1:29:11] } 6... Bd6 { [%eval 0.32] [%clk 1:29:05] } 7. Qf3 { [%eval 0.06] [%clk 1:27:09] } 7... O-O { [%eval 0.23] [%clk 1:24:27] } 8. Bd3 { [%eval 0.11] [%clk 1:25:21] } 8... Re8 { [%eval 0.21] [%clk 1:20:14] } 9. h3 { [%eval 0.08] [%clk 1:18:38] } 9... c5 { [%eval 0.24] [%clk 1:16:07] } 10. Nge2 { [%eval 0.15] [%clk 0:59:38] } 10... Nc6 { [%eval 0.23] [%clk 1:15:01] } 11. O-O { [%eval 0.01] [%clk 0:57:36] } 11... cxd4 { [%eval 0.15] [%clk 1:05:06] } 12. exd4 { [%eval 0.04] [%clk 0:52:28] } 12... Be6 { [%eval 0.23] [%clk 1:03:51] } 13. Rfd1 { [%eval 0.0] [%clk 0:49:11] } 13... a6 { [%eval 0.12] [%clk 1:02:54] } 14. Rac1 { [%eval 0.15] [%clk 0:48:22] } 14... Rc8 { [%eval 0.19] [%clk 1:01:20] } 15. Na4 { [%eval -0.04] [%clk 0:42:52] } 15... b5 { [%eval 0.07] [%clk 0:53:49] } 16. Nac3 { [%eval 0.0] [%clk 0:34:54] } 16... Na5 { [%eval 0.21] [%clk 0:52:46] } 17. Ng3 { [%eval -0.01] [%clk 0:31:03] } 17... Nc4 { [%eval 0.13] [%clk 0:50:53] } 18. Bxc4 { [%eval -0.03] [%clk 0:30:00] } 18... Rxc4 { [%eval 0.06] [%clk 0:43:54] } 19. Be5 { [%eval 0.07] [%clk 0:29:03] } 19... Bxe5 { [%eval 0.39] [%clk 0:38:26] } 20. dxe5 { [%eval 0.39] [%clk 0:29:25] } 20... Nd7 { [%eval 0.44] [%clk 0:38:52] } 21. b3 { [%eval 0.41] [%clk 0:24:41] } 21... Rh4?! { [%eval 1.2] } { Inaccuracy. Rc5 was best. } { [%clk 0:31:40] } 22. Qe3 { [%eval 1.35] [%clk 0:22:58] } 22... Qb6?! { [%eval 2.29] } { Inaccuracy. d4 was best. } { [%clk 0:25:45] } 23. Qxb6 { [%eval 2.18] [%clk 0:19:51] } 23... Nxb6 { [%eval 2.33] [%clk 0:26:13] } 24. Nce2 { [%eval 2.09] [%clk 0:19:56] } 24... Bd7?! { [%eval 3.27] } { Inaccuracy. Nc8 was best. } { [%clk 0:26:35] } 25. Nd4 { [%eval 3.28] [%clk 0:17:32] } 25... Rf4 { [%eval 3.04] [%clk 0:26:38] } 26. Nf3?? { [%eval 0.31] } { Blunder. Nde2 was best. } { [%clk 0:17:05] } 26... Bxh3 { [%eval 0.39] [%clk 0:26:18] } 27. Rc6 { [%eval 0.24] [%clk 0:15:51] } 27... Re6 { [%eval 0.25] [%clk 0:24:14] } 28. Rdc1 { [%eval 0.13] [%clk 0:16:02] } 28... Nd7?? { [%eval 2.13] } { Blunder. Bg4 was best. } { [%clk 0:15:22] } 29. Ne2?! { [%eval 1.16] } { Inaccuracy. Rc8+ was best. } { [%clk 0:11:58] } 29... Rg4 { [%eval 1.49] [%clk 0:13:06] } 30. Ng3 { [%eval 1.23] [%clk 0:11:59] } 30... Rf4?! { [%eval 2.32] } { Inaccuracy. Rxc6 was best. } { [%clk 0:13:18] } 31. Ne2?! { [%eval 1.34] } { Inaccuracy. Rc8+ was best. } { [%clk 0:12:06] } 31... Rxf3?! { [%eval 2.18] } { Inaccuracy. Rxc6 was best. } { [%clk 0:12:39] } 32. Rxe6 { [%eval 2.2] [%clk 0:11:23] } 32... Bxe6?! { [%eval 2.97] } { Inaccuracy. fxe6 was best. } { [%clk 0:08:36] } 33. gxf3 { [%eval 2.99] [%clk 0:11:49] } 33... Nxe5 { [%eval 2.84] [%clk 0:09:05] } 34. Nd4 { [%eval 2.93] [%clk 0:11:12] } 34... g5 { [%eval 3.0] [%clk 0:09:30] } 35. Rc7 { [%eval 2.57] [%clk 0:11:02] } 35... h5?! { [%eval 3.68] } { Inaccuracy. b4 was best. } { [%clk 0:08:05] } 36. Ra7 { [%eval 3.63] [%clk 0:09:31] } 36... Kf8 { [%eval 3.91] [%clk 0:06:42] } 37. Kg2?! { [%eval 2.64] } { Inaccuracy. a4 was best. } { [%clk 0:08:02] } 37... Nd3 { [%eval 2.79] [%clk 0:02:12] } 38. Rxa6? { [%eval 1.47] } { Mistake. a3 was best. } { [%clk 0:07:53] } 38... b4 { [%eval 1.42] [%clk 0:01:57] } 39. Ra7 { [%eval 1.4] [%clk 0:06:22] } 39... h4 { [%eval 1.82] [%clk 0:01:56] } 40. Nc6?? { [%eval 0.0] } { Blunder. Kf1 was best. } { [%clk 0:04:37] } 40... Ne1+ { [%eval 0.0] [%clk 0:02:00] } 41. Kf1?? { [%eval -3.88] } { Blunder. Kh1 was best. } { [%clk 0:03:57] } 41... h3 { [%eval -4.16] [%clk 0:22:13] } 42. Kg1 { [%eval -4.07] [%clk 0:32:40] } 42... Nxf3+ { [%eval -4.08] [%clk 0:22:29] } 43. Kh1 { [%eval -3.86] [%clk 0:32:13] } 43... Bf5 { [%eval -3.52] [%clk 0:22:28] } 44. Nxb4 { [%eval -3.87] [%clk 0:31:43] } 44... Be4 { [%eval -3.75] [%clk 0:15:21] } 45. Rc7 { [%eval -4.58] [%clk 0:26:29] } 45... d4 { [%eval -4.5] [%clk 0:14:15] } 46. a4 { [%eval -5.47] [%clk 0:23:27] } 46... d3 { [%eval -4.85] [%clk 0:12:59] } 47. Na2?! { [%eval -7.49] } { Inaccuracy. Rc1 was best. } { [%clk 0:23:22] } 47... d2 { [%eval -7.19] [%clk 0:06:33] } 48. Nc3 { [%eval -7.06] [%clk 0:23:46] } 48... Bd3 { [%eval -6.21] [%clk 0:06:16] } 0-1