Event: Fagernes Chess International 2021
Site: Fagernes, Norway
Date: 2021-10-11
White: Persson, Tiger Hillarp
WhiteTitle: GM
WhiteElo: 2541
Black: Köpke, Christian
BlackTitle: IM
BlackElo: 2346
Result: 1-0
ECO: A57
Opening: Benko Gambit Declined: Main Line
Variant: Standard
TimeControl: 100 minutes/40 moves + 40 minutes/rest with 30 seconds increment from move 1

1. d4 { [%eval 0.0] [%clk 1:40:57] } 1... Nf6 { [%eval 0.28] [%clk 1:38:30] } 2. c4 { [%eval 0.11] [%clk 1:41:20] } 2... c5?! { [%eval 0.92] } { Inaccuracy. e6 was best. } { [%clk 1:38:40] } 3. d5 { [%eval 0.52] [%clk 1:41:41] } 3... b5 { [%eval 0.8] [%clk 1:38:54] } 4. Nf3?! { [%eval 0.24] } { Inaccuracy. cxb5 was best. } { [%clk 1:40:39] } 4... Bb7 { [%eval 0.69] [%clk 1:38:37] } 5. a3 { [%eval 0.55] [%clk 1:30:24] } 5... e6 { [%eval 0.58] [%clk 1:36:34] } 6. Nc3?! { [%eval -0.27] } { Inaccuracy. dxe6 was best. } { [%clk 1:28:31] } 6... b4 { [%eval -0.4] [%clk 1:19:24] } 7. axb4 { [%eval -0.68] [%clk 1:23:37] } 7... cxb4 { [%eval -0.56] [%clk 1:19:44] } 8. Nb5 { [%eval -0.75] [%clk 1:23:59] } 8... a6 { [%eval -0.47] [%clk 1:14:54] } 9. Nbd4 { [%eval -0.63] [%clk 1:24:21] } 9... exd5 { [%eval -0.66] [%clk 1:12:30] } 10. cxd5 { [%eval -1.04] [%clk 1:20:03] } 10... Bxd5 { [%eval -0.76] [%clk 1:08:49] } 11. e3 { [%eval -1.04] [%clk 1:05:33] } 11... Qb6 { [%eval -0.7] [%clk 0:57:11] } 12. Bd3 { [%eval -0.64] [%clk 1:01:43] } 12... g6? { [%eval 0.39] } { Mistake. Nc6 was best. } { [%clk 0:40:32] } 13. O-O { [%eval 0.27] [%clk 0:33:03] } 13... Bg7 { [%eval 0.57] [%clk 0:40:39] } 14. Re1?! { [%eval -0.36] } { Inaccuracy. e4 was best. } { [%clk 0:32:13] } 14... O-O { [%eval -0.15] [%clk 0:25:17] } 15. e4 { [%eval -0.02] [%clk 0:28:05] } 15... Bb7 { [%eval -0.07] [%clk 0:24:11] } 16. h3 { [%eval 0.0] [%clk 0:27:48] } 16... d5? { [%eval 1.26] } { Mistake. d6 was best. } { [%clk 0:21:49] } 17. e5 { [%eval 1.12] [%clk 0:27:22] } 17... Ne4?! { [%eval 1.68] } { Inaccuracy. Nfd7 was best. } { [%clk 0:18:22] } 18. Be3 { [%eval 1.13] [%clk 0:27:43] } 18... Qd8 { [%eval 1.49] [%clk 0:18:01] } 19. e6 { [%eval 1.27] [%clk 0:25:10] } 19... Qd6?! { [%eval 1.86] } { Inaccuracy. f5 was best. } { [%clk 0:09:45] } 20. exf7+ { [%eval 1.46] [%clk 0:09:02] } 20... Rxf7 { [%eval 2.23] [%clk 0:10:03] } 21. Rc1?! { [%eval 1.59] } { Inaccuracy. Nb3 was best. } { [%clk 0:08:10] } 21... Nd7 { [%eval 1.43] [%clk 0:04:54] } 22. Nb3 { [%eval 1.26] [%clk 0:04:08] } 22... Re8?? { [%eval 4.73] } { Blunder. Bf8 was best. } { [%clk 0:02:12] } 23. Bxe4 { [%eval 5.1] [%clk 0:04:04] } 23... Rxe4 { [%eval 5.12] [%clk 0:02:23] } 24. Ng5 { [%eval 5.14] [%clk 0:04:11] } 24... Rxe3 { [%eval 5.23] [%clk 0:00:59] } 25. Rxe3 { [%eval 5.1] [%clk 0:04:34] } 25... Rf5 { [%eval 5.43] [%clk 0:00:51] } 26. Na5 { [%eval 5.35] [%clk 0:01:42] } 26... Rxg5 { [%eval 5.17] [%clk 0:00:54] } 27. Nxb7 { [%eval 5.52] [%clk 0:01:56] } 27... Qb6 { [%eval 6.75] [%clk 0:00:58] } 28. Rc8+ { [%eval 6.62] [%clk 0:02:07] } 28... Nf8 { [%eval 6.79] [%clk 0:00:53] } 29. Nd8 { [%eval 6.38] [%clk 0:01:55] } 29... d4?? { [%eval #7] } { Checkmate is now unavoidable. Qf6 was best. } { [%clk 0:00:36] } 30. Qb3+ { [%eval #6] [%clk 0:02:00] } 1-0