Event: Icelandic Chess Championship 2023
Site: Hafnarfjordur, Iceland
White: Stefansson, Hannes
WhiteElo: 2521
Black: Danielsen, Henrik
BlackElo: 2501
Result: 1-0
ECO: C42
Opening: Petrov's Defense: Nimzowitsch Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:50] } 1... e5 { [%eval 0.35] [%clk 1:30:46] } 2. Nf3 { [%eval 0.29] [%clk 1:30:54] } 2... Nf6 { [%eval 0.5] [%clk 1:31:05] } 3. Nxe5 { [%eval 0.34] [%clk 1:30:32] } 3... d6 { [%eval 0.49] [%clk 1:31:19] } 4. Nf3 { [%eval 0.35] [%clk 1:30:32] } 4... Nxe4 { [%eval 0.25] } 5. Nc3 { [%eval 0.1] } 5... Nxc3 { [%eval 0.13] [%clk 1:29:30] } 6. dxc3 { [%eval 0.33] [%clk 1:30:35] } 6... Be7 { [%eval 0.12] [%clk 1:29:06] } 7. Bf4 { [%eval 0.0] [%clk 1:30:02] } 7... Nc6 { [%eval 0.36] [%clk 1:23:57] } 8. Qd2 { [%eval 0.26] [%clk 1:28:58] } 8... Be6 { [%eval 0.27] [%clk 1:23:36] } 9. O-O-O { [%eval 0.27] [%clk 1:28:16] } 9... Qd7 { [%eval 0.34] [%clk 1:23:54] } 10. Kb1 { [%eval 0.33] [%clk 1:27:56] } 10... Bf6 { [%eval 0.39] [%clk 1:20:05] } 11. Ng5 { [%eval 0.25] [%clk 1:05:48] } 11... Bxg5 { [%eval 0.51] [%clk 1:19:45] } 12. Bxg5 { [%eval 0.47] [%clk 1:06:12] } 12... f6 { [%eval 0.45] [%clk 1:19:53] } 13. Be3 { [%eval 0.53] [%clk 1:04:52] } 13... O-O-O { [%eval 0.44] [%clk 1:19:23] } 14. b3 { [%eval 0.56] [%clk 0:58:41] } 14... Kb8 { [%eval 0.56] [%clk 1:18:16] } 15. f3 { [%eval 0.35] [%clk 0:47:42] } 15... Qf7 { [%eval 0.62] [%clk 1:14:01] } 16. Bf2 { [%eval 0.32] [%clk 0:44:45] } 16... Rhe8 { [%eval 0.42] [%clk 1:11:55] } 17. Bb5 { [%eval 0.3] [%clk 0:36:14] } 17... Bd7 { [%eval 0.39] [%clk 1:11:51] } 18. h3 { [%eval 0.33] [%clk 0:30:59] } 18... Re7 { [%eval 0.24] [%clk 1:09:44] } 19. Rhe1 { [%eval 0.34] [%clk 0:29:23] } 19... Rde8 { [%eval 0.42] [%clk 1:08:59] } 20. Rxe7 { [%eval 0.36] [%clk 0:28:51] } 20... Rxe7 { [%eval 0.36] [%clk 1:08:59] } 21. Kb2 { [%eval 0.44] [%clk 0:22:34] } 21... Ne5 { [%eval 0.38] [%clk 1:07:09] } 22. Bf1 { [%eval 0.35] [%clk 0:19:37] } 22... h6 { [%eval 0.49] [%clk 1:04:48] } 23. a4 { [%eval 0.41] [%clk 0:17:10] } 23... Nc6 { [%eval 0.39] [%clk 1:01:22] } 24. g3 { [%eval 0.12] [%clk 0:15:13] } 24... Qe8 { [%eval 0.31] [%clk 0:57:03] } 25. f4 { [%eval 0.15] [%clk 0:13:25] } 25... Bf5?! { [%eval 0.78] } { Inaccuracy. h5 was best. } { [%clk 0:55:08] } 26. a5 { [%eval 0.72] [%clk 0:12:02] } 26... Be4 { [%eval 1.15] [%clk 0:50:40] } 27. a6 { [%eval 1.1] [%clk 0:11:12] } 27... b6 { [%eval 1.03] [%clk 0:48:08] } 28. g4 { [%eval 1.05] [%clk 0:07:18] } 28... Bf3 { [%eval 1.18] [%clk 0:44:40] } 29. Ra1 { [%eval 1.3] [%clk 0:05:49] } 29... Nd8 { [%eval 1.51] [%clk 0:43:57] } 30. c4?! { [%eval 0.88] } { Inaccuracy. g5 was best. } { [%clk 0:04:23] } 30... Nf7 { [%eval 1.26] [%clk 0:35:14] } 31. Qc3 { [%eval 1.07] [%clk 0:04:19] } 31... Ba8 { [%eval 0.85] [%clk 0:34:18] } 32. b4 { [%eval 0.73] [%clk 0:03:36] } 32... Re4 { [%eval 1.12] [%clk 0:31:42] } 33. c5 { [%eval 1.09] [%clk 0:03:09] } 33... Bc6?? { [%eval 4.22] } { Blunder. dxc5 was best. } { [%clk 0:09:48] } 34. cxb6 { [%eval 4.45] [%clk 0:03:16] } 34... Rxf4?! { [%eval 6.07] } { Inaccuracy. cxb6 was best. } { [%clk 0:03:56] } 35. bxc7+ { [%eval 5.97] [%clk 0:03:15] } 35... Kc8 { [%eval 7.02] [%clk 0:03:54] } 36. Bxa7 { [%eval 6.81] [%clk 0:03:06] } 36... Ne5 { [%eval 7.01] [%clk 0:03:08] } 37. Bb6 { [%eval 6.69] [%clk 0:03:01] } 37... Ba8 { [%eval 7.06] [%clk 0:02:30] } 38. Be3 { [%eval 6.48] [%clk 0:01:43] } 38... Rf3 { [%eval 7.31] [%clk 0:00:34] } 39. Re1 { [%eval 6.08] [%clk 0:01:47] } 39... Bd5 { [%eval 7.99] } 1-0