Event: Round 4: Mattenberger, Matthias - Peng, Li Min
Date: 2025-07-15
White: Mattenberger, Matthias
WhiteTitle: FM
WhiteElo: 2276
Black: Peng, Li Min
BlackTitle: GM
BlackElo: 2509
Result: 0-1
ECO: E60
Opening: Indian Defense: Anti-Grünfeld, Basman-Williams Attack
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:53] } 1... Nf6 { [%eval 0.19] [%clk 1:30:54] } 2. c4 { [%eval 0.18] [%clk 1:31:09] } 2... g6 { [%eval 0.28] [%clk 1:31:18] } 3. h4 { [%eval 0.15] [%clk 1:30:58] } 3... c5 { [%eval 0.12] [%clk 1:29:54] } 4. d5 { [%eval 0.27] [%clk 1:31:12] } 4... h6 { [%eval 0.52] [%clk 1:30:02] } 5. Nc3 { [%eval 0.59] [%clk 1:30:36] } 5... d6 { [%eval 0.62] [%clk 1:30:27] } 6. e4 { [%eval 0.62] [%clk 1:28:26] } 6... Bg7 { [%eval 0.71] [%clk 1:30:43] } 7. Be2 { [%eval 0.61] [%clk 1:28:31] } 7... Nbd7 { [%eval 0.72] [%clk 1:23:47] } 8. Bd2 { [%eval 0.83] [%clk 1:18:47] } 8... Ne5 { [%eval 0.85] [%clk 1:14:23] } 9. f4?! { [%eval 0.07] } { Inaccuracy. Nf3 was best. } { [%clk 1:06:21] } 9... Neg4 { [%eval 0.12] [%clk 1:14:01] } 10. h5 { [%eval 0.21] [%clk 1:04:36] } 10... gxh5?! { [%eval 1.16] } { Inaccuracy. e5 was best. } { [%clk 1:14:26] } 11. Nf3 { [%eval 1.09] [%clk 1:04:14] } 11... e6 { [%eval 1.3] [%clk 1:13:33] } 12. e5 { [%eval 1.27] [%clk 0:57:25] } 12... dxe5 { [%eval 1.32] [%clk 1:13:52] } 13. fxe5 { [%eval 1.43] [%clk 0:57:39] } 13... Nd7 { [%eval 1.45] [%clk 1:11:38] } 14. dxe6 { [%eval 1.41] [%clk 0:53:03] } 14... Ndxe5 { [%eval 1.35] [%clk 0:43:02] } 15. exf7+? { [%eval 0.0] } { Mistake. Nxe5 was best. } { [%clk 0:50:51] } 15... Nxf7 { [%eval 0.0] [%clk 0:41:21] } 16. Qc2 { [%eval 0.0] [%clk 0:39:55] } 16... O-O { [%eval 0.0] [%clk 0:37:00] } 17. Rxh5 { [%eval 0.0] [%clk 0:39:10] } 17... Nd6 { [%eval 0.0] [%clk 0:37:25] } 18. O-O-O { [%eval 0.0] [%clk 0:33:58] } 18... Qe8 { [%eval -0.12] [%clk 0:29:03] } 19. Rdh1? { [%eval -1.41] } { Mistake. Rd5 was best. } { [%clk 0:29:49] } 19... Bf5 { [%eval -1.34] [%clk 0:24:21] } 20. Bd3 { [%eval -1.27] [%clk 0:29:19] } 20... Nf2 { [%eval -1.36] [%clk 0:24:44] } 21. Bxf5 { [%eval -1.43] [%clk 0:24:57] } 21... Nxf5 { [%eval -1.59] [%clk 0:25:10] } 22. R1h2?! { [%eval -2.45] } { Inaccuracy. Rxf5 was best. } { [%clk 0:22:51] } 22... Nd4 { [%eval -2.38] [%clk 0:16:46] } 23. Nxd4 { [%eval -2.31] [%clk 0:19:54] } 23... cxd4 { [%eval -2.47] [%clk 0:17:13] } 24. Rxh6 { [%eval -2.42] [%clk 0:18:54] } 24... d3 { [%eval -2.41] [%clk 0:17:37] } 25. Qb3 { [%eval -2.33] [%clk 0:18:37] } 25... Ng4 { [%eval -2.2] [%clk 0:17:56] } 26. R6h4 { [%eval -2.64] [%clk 0:11:50] } 26... Nxh2 { [%eval -2.51] [%clk 0:15:54] } 27. Rxh2?? { [%eval -5.87] } { Blunder. c5+ was best. } { [%clk 0:11:53] } 27... Rf1+ { [%eval -5.8] [%clk 0:16:20] } 28. Nd1 { [%eval -5.78] [%clk 0:12:18] } 28... Qe2 { [%eval -5.85] [%clk 0:13:26] } 29. c5+ { [%eval -4.96] [%clk 0:11:19] } 29... Kf8 { [%eval -5.86] [%clk 0:13:52] } 30. c6 { [%eval -7.21] [%clk 0:10:23] } 30... Rxd1+ { [%eval -7.16] [%clk 0:14:17] } 0-1