Event: Reykjavik Open 2025
Site: Reykjavik, Iceland
Date: 2025-04-12
White: Shafer, Logan C
WhiteTitle: CM
WhiteElo: 2193
Black: Hallmundarson, Birkir
BlackElo: 1882
Result: 1-0
ECO: A08
Opening: Zukertort Opening: Reversed Grünfeld
Variant: Standard
TimeControl: 90+30 +30 after 40 moves

1. Nf3 { [%eval 0.14] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:23] } 2. g3 { [%eval 0.03] [%clk 1:31:16] } 2... Nc6 { [%eval 0.14] [%clk 1:30:41] } 3. Bg2 { [%eval 0.1] [%clk 1:31:31] } 3... d5 { [%eval 0.29] [%clk 1:30:58] } 4. d4 { [%eval 0.21] [%clk 1:31:55] } 4... Nf6 { [%eval 0.3] [%clk 1:30:20] } 5. O-O { [%eval 0.12] [%clk 1:32:04] } 5... Bg4?! { [%eval 0.68] } { Inaccuracy. cxd4 was best. } { [%clk 1:29:35] } 6. Ne5 { [%eval 0.36] [%clk 1:31:24] } 6... Bh5 { [%eval 0.73] [%clk 1:02:25] } 7. Nxc6 { [%eval 0.58] [%clk 1:28:53] } 7... bxc6 { [%eval 0.6] [%clk 1:02:47] } 8. dxc5 { [%eval 0.68] [%clk 1:29:00] } 8... e5 { [%eval 0.61] [%clk 0:54:11] } 9. b4 { [%eval 0.62] [%clk 1:28:25] } 9... a5 { [%eval 0.68] [%clk 0:45:19] } 10. c3 { [%eval 0.67] [%clk 1:28:10] } 10... axb4?! { [%eval 1.55] } { Inaccuracy. Be7 was best. } { [%clk 0:42:27] } 11. cxb4 { [%eval 1.6] [%clk 1:28:30] } 11... Be7 { [%eval 1.58] [%clk 0:42:17] } 12. Bb2 { [%eval 1.56] [%clk 1:27:49] } 12... Qc7 { [%eval 1.6] [%clk 0:40:02] } 13. Qd2 { [%eval 1.35] [%clk 1:24:43] } 13... O-O { [%eval 1.28] [%clk 0:36:46] } 14. a4 { [%eval 1.02] [%clk 1:16:13] } 14... Rad8?! { [%eval 1.83] } { Inaccuracy. Bg6 was best. } { [%clk 0:31:04] } 15. Na3 { [%eval 1.44] [%clk 1:07:33] } 15... Nd7 { [%eval 1.96] [%clk 0:20:32] } 16. e3 { [%eval 1.85] [%clk 1:05:52] } 16... f5?! { [%eval 2.63] } { Inaccuracy. Rfe8 was best. } { [%clk 0:19:14] } 17. f4 { [%eval 2.59] [%clk 1:05:39] } 17... Bf6 { [%eval 2.81] [%clk 0:17:09] } 18. Rac1 { [%eval 2.23] [%clk 0:59:34] } 18... exf4 { [%eval 2.24] [%clk 0:13:00] } 19. exf4 { [%eval 2.11] [%clk 0:58:58] } 19... Qa7 { [%eval 2.34] [%clk 0:12:59] } 20. Bxf6 { [%eval 1.76] [%clk 0:58:49] } 20... Nxf6 { [%eval 1.85] [%clk 0:13:19] } 21. Qc2?! { [%eval 0.94] } { Inaccuracy. a5 was best. } { [%clk 0:58:08] } 21... Ra8?! { [%eval 1.64] } { Inaccuracy. d4 was best. } { [%clk 0:10:09] } 22. a5 { [%eval 1.6] [%clk 0:56:20] } 22... Ne4 { [%eval 2.04] [%clk 0:08:40] } 23. Qd3 { [%eval 2.0] [%clk 0:55:58] } 23... Rab8 { [%eval 2.31] [%clk 0:08:15] } 24. Nc2 { [%eval 2.37] [%clk 0:55:51] } 24... Rfe8 { [%eval 2.45] [%clk 0:07:52] } 25. Nd4 { [%eval 2.64] [%clk 0:53:27] } 25... Qd7 { [%eval 2.53] [%clk 0:05:52] } 26. Rb1 { [%eval 2.44] [%clk 0:52:42] } 26... Red8?! { [%eval 3.35] } { Inaccuracy. h6 was best. } { [%clk 0:01:21] } 27. Rfc1 { [%eval 3.34] [%clk 0:51:49] } 27... Rbc8 { [%eval 3.51] [%clk 0:00:48] } 28. a6 { [%eval 3.42] [%clk 0:51:24] } 28... Bg6?! { [%eval 4.34] } { Inaccuracy. Qa7 was best. } { [%clk 0:00:50] } 29. h3 { [%eval 3.74] [%clk 0:49:08] } 29... Kh8 { [%eval 4.06] [%clk 0:01:09] } 30. Kh2 { [%eval 3.65] [%clk 0:49:28] } 30... Qa7?! { [%eval 4.61] } { Inaccuracy. h5 was best. } { [%clk 0:01:28] } 31. Bxe4? { [%eval 2.78] } { Mistake. b5 was best. } { [%clk 0:48:01] } 31... dxe4 { [%eval 3.51] [%clk 0:01:40] } 32. Qc4?? { [%eval 0.93] } { Blunder. Nxc6 was best. } { [%clk 0:48:20] } 32... Bf7 { [%eval 0.96] [%clk 0:01:47] } 33. Qc3 { [%eval 1.01] [%clk 0:48:02] } 33... Rd5 { [%eval 1.04] [%clk 0:02:02] } 34. Ra1 { [%eval 0.95] [%clk 0:47:36] } 34... h6?! { [%eval 1.57] } { Inaccuracy. h5 was best. } { [%clk 0:01:39] } 35. Rd1 { [%eval 1.25] [%clk 0:47:02] } 35... Kh7 { [%eval 1.59] [%clk 0:01:56] } 36. Rd2? { [%eval 0.34] } { Mistake. g4 was best. } { [%clk 0:45:11] } 36... Rc7?? { [%eval 2.41] } { Blunder. Qd7 was best. } { [%clk 0:01:16] } 37. Nc2?! { [%eval 1.55] } { Inaccuracy. g4 was best. } { [%clk 0:44:17] } 37... Rcd7 { [%eval 1.74] [%clk 0:01:24] } 38. Rxd5 { [%eval 1.8] [%clk 0:44:37] } 38... Bxd5? { [%eval 3.24] } { Mistake. Rxd5 was best. } { [%clk 0:01:34] } 39. Nd4?! { [%eval 2.36] } { Inaccuracy. Ne3 was best. } { [%clk 0:44:00] } 39... g6 { [%eval 2.43] [%clk 0:01:11] } 40. h4 { [%eval 2.38] [%clk 0:43:30] } 40... Qb8? { [%eval 4.04] } { Mistake. e3 was best. } { [%clk 0:00:40] } 41. b5 { [%eval 4.25] [%clk 0:41:55] } 41... cxb5 { [%eval 4.36] [%clk 0:00:37] } 42. c6 { [%eval 4.34] [%clk 0:42:02] } 42... Rc7?! { [%eval 5.59] } { Inaccuracy. Ra7 was best. } { [%clk 0:01:00] } 43. Qc5 { [%eval 5.38] [%clk 0:42:20] } 43... Bc4?! { [%eval 8.07] } { Inaccuracy. Bf7 was best. } { [%clk 0:24:59] } 44. a7 { [%eval 7.7] [%clk 1:12:27] } 44... Qa8 { [%eval 6.69] [%clk 0:23:03] } 45. Qb6?! { [%eval 5.09] } { Inaccuracy. h5 was best. } { [%clk 1:12:43] } 45... Rc8? { [%eval 13.3] } { Mistake. Rg7 was best. } { [%clk 0:23:10] } 46. Qb7+ { [%eval 14.03] [%clk 1:13:07] } 46... Kh8?! { [%eval #10] } { Checkmate is now unavoidable. Bf7 was best. } { [%clk 0:23:30] } 47. Qxc8+ { [%clk 1:13:22] } 47... Qxc8 { [%clk 0:23:48] } 48. a8=Q { [%clk 1:13:46] } 1-0