Event: Round 3: Margeir Petursson - Klaus Opl
Date: 2023-09-21
White: Margeir Petursson
WhiteTitle: GM
WhiteElo: 2396
Black: Klaus Opl
BlackTitle: FM
BlackElo: 2151
Result: 1-0
ECO: E20
Opening: Nimzo-Indian Defense: Kmoch Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:48] } 1... Nf6 { [%eval 0.28] [%clk 1:30:50] } 2. c4 { [%eval 0.16] [%clk 1:30:51] } 2... e6 { [%eval 0.23] [%clk 1:31:13] } 3. Nc3 { [%eval 0.05] [%clk 1:31:11] } 3... Bb4 { [%eval 0.25] [%clk 1:31:32] } 4. f3 { [%eval 0.0] [%clk 1:31:12] } 4... b5?! { [%eval 0.77] } { Inaccuracy. c5 was best. } { [%clk 1:31:04] } 5. cxb5 { [%eval 0.5] [%clk 1:29:11] } 5... O-O { [%eval 0.58] [%clk 1:29:54] } 6. e4 { [%eval 0.47] [%clk 1:26:18] } 6... d5?! { [%eval 1.24] } { Inaccuracy. a6 was best. } { [%clk 1:27:30] } 7. e5 { [%eval 1.15] [%clk 1:20:58] } 7... Nfd7 { [%eval 1.25] [%clk 1:25:19] } 8. f4 { [%eval 0.99] [%clk 1:19:47] } 8... f6 { [%eval 1.25] [%clk 1:25:27] } 9. Nf3 { [%eval 1.13] [%clk 1:19:01] } 9... fxe5 { [%eval 1.7] [%clk 1:23:43] } 10. fxe5 { [%eval 1.87] [%clk 1:19:04] } 10... c5 { [%eval 1.89] [%clk 1:17:30] } 11. bxc6?! { [%eval 0.82] } { Inaccuracy. a3 was best. } { [%clk 0:54:28] } 11... Nxc6 { [%eval 0.85] [%clk 1:16:14] } 12. Be3 { [%eval 0.75] [%clk 0:46:12] } 12... Qb6 { [%eval 0.59] [%clk 1:06:16] } 13. Qd2 { [%eval 0.9] [%clk 0:43:37] } 13... Rxf3?! { [%eval 1.92] } { Inaccuracy. Rb8 was best. } { [%clk 0:57:05] } 14. gxf3 { [%eval 1.87] [%clk 0:43:56] } 14... Ndxe5?! { [%eval 2.75] } { Inaccuracy. Ba6 was best. } { [%clk 0:57:29] } 15. Be2? { [%eval 0.99] } { Mistake. dxe5 was best. } { [%clk 0:42:39] } 15... Nf7?! { [%eval 1.76] } { Inaccuracy. Ng6 was best. } { [%clk 0:53:28] } 16. a3 { [%eval 1.64] [%clk 0:39:19] } 16... Be7 { [%eval 1.68] [%clk 0:48:38] } 17. O-O { [%eval 1.48] [%clk 0:37:05] } 17... Nd6 { [%eval 1.73] [%clk 0:44:24] } 18. Bd3 { [%eval 1.47] [%clk 0:29:39] } 18... Bf6 { [%eval 1.5] [%clk 0:40:50] } 19. Na4 { [%eval 1.41] [%clk 0:27:50] } 19... Qd8 { [%eval 1.58] [%clk 0:39:07] } 20. Qc3 { [%eval 1.86] [%clk 0:23:33] } 20... Bd7 { [%eval 1.99] [%clk 0:38:51] } 21. Nc5 { [%eval 2.03] [%clk 0:22:03] } 21... Be8 { [%eval 2.23] [%clk 0:35:12] } 22. Rae1 { [%eval 2.25] [%clk 0:17:42] } 22... e5 { [%eval 2.5] [%clk 0:33:05] } 23. dxe5 { [%eval 2.66] [%clk 0:17:08] } 23... Nxe5 { [%eval 3.19] [%clk 0:31:25] } 24. Bd4 { [%eval 3.14] [%clk 0:14:30] } 24... Nxd3 { [%eval 3.19] [%clk 0:29:45] } 25. Bxf6 { [%eval 3.39] [%clk 0:14:25] } 25... gxf6 { [%eval 4.01] [%clk 0:29:41] } 26. Qxd3 { [%eval 4.03] [%clk 0:13:51] } 26... Bf7 { [%eval 4.17] [%clk 0:28:34] } 27. Kh1 { [%eval 3.69] [%clk 0:12:34] } 27... Ne8?! { [%eval 5.09] } { Inaccuracy. Qc8 was best. } { [%clk 0:24:29] } 28. Rg1+ { [%eval 5.04] [%clk 0:10:22] } 28... Kh8 { [%eval 5.31] [%clk 0:21:01] } 29. Qd4?! { [%eval 4.11] } { Inaccuracy. Qd2 was best. } { [%clk 0:08:15] } 29... Ng7 { [%eval 4.19] [%clk 0:20:55] } 30. Nb7 { [%eval 3.95] [%clk 0:07:30] } 30... Qb6 { [%eval 4.32] [%clk 0:19:45] } 31. Qxb6 { [%eval 4.34] [%clk 0:06:59] } 31... axb6 { [%eval 4.24] [%clk 0:20:04] } 32. Re7 { [%eval 4.14] [%clk 0:05:50] } 32... Bg6 { [%eval 4.23] [%clk 0:20:28] } 33. Rd7 { [%eval 4.21] [%clk 0:04:29] } 33... Rb8 { [%eval 4.72] [%clk 0:20:19] } 34. Nd6 { [%eval 4.18] [%clk 0:02:48] } 34... Kg8 { [%eval 4.67] [%clk 0:16:09] } 35. Rc1 { [%eval 4.87] [%clk 0:02:24] } 35... Nh5 { [%eval 5.17] [%clk 0:14:33] } 36. Rc8+ { [%eval 5.18] [%clk 0:02:15] } 36... Rxc8 { [%eval 5.12] [%clk 0:14:56] } 37. Nxc8 { [%eval 5.17] [%clk 0:02:41] } 37... Nf4 { [%eval 5.17] [%clk 0:15:08] } 38. Ne7+ { [%eval 5.03] [%clk 0:01:43] } 1-0