Event: Icelandic Chess Championship 2023
Site: Hafnarfjordur, Iceland
White: Ptacnikova, Lenka
WhiteElo: 2099
Black: Stefansson, Vignir Vatnar
BlackElo: 2470
Result: 0-1
ECO: A13
Opening: English Opening: Agincourt Defense, Catalan Defense Accepted
Variant: Standard

1. c4 { [%eval 0.23] [%clk 1:30:56] } 1... e6 { [%eval 0.3] [%clk 1:29:25] } 2. g3 { [%eval 0.39] [%clk 1:31:06] } 2... d5 { [%eval 0.33] [%clk 1:29:48] } 3. Bg2 { [%eval 0.13] [%clk 1:31:25] } 3... Nf6 { [%eval 0.33] [%clk 1:30:13] } 4. Nf3 { [%eval 0.22] [%clk 1:31:32] } 4... dxc4 { [%eval 0.15] [%clk 1:30:36] } 5. Qa4+ { [%eval 0.21] [%clk 1:31:43] } 5... Nbd7 { [%eval 0.25] [%clk 1:30:40] } 6. O-O { [%eval 0.0] [%clk 1:29:45] } 6... a6 { [%eval 0.0] [%clk 1:30:56] } 7. Qxc4 { [%eval 0.0] [%clk 1:30:11] } 7... b5 { [%eval 0.06] [%clk 1:31:20] } 8. Qb3 { [%eval -0.14] [%clk 1:30:22] } 8... Bb7 { [%eval -0.24] [%clk 1:30:40] } 9. d4 { [%eval -0.42] [%clk 1:30:26] } 9... c5 { [%eval -0.42] [%clk 1:28:52] } 10. dxc5 { [%eval -0.36] [%clk 1:28:00] } 10... Rc8 { [%eval -0.47] [%clk 1:24:21] } 11. Nc3 { [%eval -0.54] [%clk 1:21:58] } 11... Nxc5 { [%eval -0.28] [%clk 1:10:46] } 12. Qd1 { [%eval -0.29] [%clk 1:22:15] } 12... Qxd1 { [%eval 0.01] [%clk 1:10:00] } 13. Nxd1 { [%eval -0.32] [%clk 1:16:43] } 13... Bd6 { [%eval -0.42] [%clk 1:09:05] } 14. Bf4?! { [%eval -1.05] } { Inaccuracy. b3 was best. } { [%clk 1:15:10] } 14... Bxf4 { [%eval -0.86] [%clk 1:08:48] } 15. gxf4 { [%eval -0.94] [%clk 1:15:36] } 15... Nd5 { [%eval -0.9] [%clk 1:08:54] } 16. e3 { [%eval -0.78] [%clk 1:14:55] } 16... Ke7 { [%eval -0.84] [%clk 1:07:42] } 17. Nd4 { [%eval -0.75] [%clk 1:11:14] } 17... Rhd8 { [%eval -0.81] [%clk 1:07:53] } 18. Bxd5 { [%eval -1.04] [%clk 1:11:11] } 18... Bxd5 { [%eval -1.26] [%clk 1:06:42] } 19. Nc3 { [%eval -1.27] [%clk 1:11:35] } 19... Nd3 { [%eval -0.88] [%clk 1:00:51] } 20. Rab1 { [%eval -0.93] [%clk 1:05:12] } 20... Bb7 { [%eval -0.7] [%clk 0:58:44] } 21. Nce2 { [%eval -0.93] [%clk 1:04:10] } 21... Be4 { [%eval -0.65] [%clk 0:59:06] } 22. Ng3?! { [%eval -1.46] } { Inaccuracy. Rfd1 was best. } { [%clk 0:59:51] } 22... Bg6? { [%eval -0.31] } { Mistake. Rxd4 was best. } { [%clk 0:54:01] } 23. f5 { [%eval -0.38] [%clk 0:59:13] } 23... exf5 { [%eval -0.47] [%clk 0:54:20] } 24. Ngxf5+ { [%eval -0.27] [%clk 0:54:31] } 24... Kf6 { [%eval -0.22] [%clk 0:54:41] } 25. Ng3 { [%eval -0.25] [%clk 0:54:02] } 25... Nb4 { [%eval -0.29] [%clk 0:54:31] } 26. Ra1?! { [%eval -1.14] } { Inaccuracy. Rbd1 was best. } { [%clk 0:52:45] } 26... Nc2 { [%eval -1.02] [%clk 0:54:28] } 27. Nxc2 { [%eval -1.58] [%clk 0:50:33] } 27... Rxc2 { [%eval -1.42] [%clk 0:54:38] } 28. Rfc1?! { [%eval -2.39] } { Inaccuracy. b4 was best. } { [%clk 0:49:58] } 28... Rdd2?! { [%eval -1.5] } { Inaccuracy. Rxb2 was best. } { [%clk 0:52:36] } 29. Rxc2 { [%eval -1.59] [%clk 0:50:04] } 29... Rxc2 { [%eval -1.62] [%clk 0:53:00] } 30. b4 { [%eval -1.42] [%clk 0:49:57] } 30... Rb2 { [%eval -1.16] [%clk 0:52:11] } 31. a3 { [%eval -0.98] [%clk 0:50:21] } 31... Ke6 { [%eval -1.01] [%clk 0:38:43] } 32. Rc1 { [%eval -1.34] [%clk 0:44:44] } 32... Rc2?! { [%eval -0.55] } { Inaccuracy. Bc2 was best. } { [%clk 0:38:15] } 33. Rxc2 { [%eval -0.24] [%clk 0:42:54] } 33... Bxc2 { [%eval -0.14] [%clk 0:38:37] } 34. Nf1 { [%eval -0.26] [%clk 0:43:00] } 34... g5 { [%eval -0.19] [%clk 0:36:17] } 35. Nd2 { [%eval -0.11] [%clk 0:41:26] } 35... Kd5 { [%eval -0.22] [%clk 0:36:31] } 36. Kg2 { [%eval -0.21] [%clk 0:41:04] } 36... h5 { [%eval -0.03] [%clk 0:36:27] } 37. Kg3 { [%eval -0.35] [%clk 0:24:39] } 37... h4+ { [%eval -0.57] [%clk 0:35:04] } 38. Kg2 { [%eval -0.31] [%clk 0:20:33] } 38... f5 { [%eval -0.32] [%clk 0:34:55] } 39. Kf1 { [%eval -0.35] [%clk 0:10:32] } 39... h3 { [%eval 0.0] [%clk 0:32:46] } 40. Kg1?! { [%eval -0.58] } { Inaccuracy. Ke2 was best. } { [%clk 0:08:22] } 40... Bd1 { [%eval -0.11] [%clk 0:29:02] } 41. Kf1 { [%eval -0.15] [%clk 0:07:51] } 41... f4 { [%eval -0.37] [%clk 0:28:18] } 42. Ke1 { [%eval -0.01] [%clk 0:07:47] } 42... Bc2 { [%eval 0.0] [%clk 0:28:09] } 43. Ke2 { [%eval 0.0] [%clk 0:07:46] } 43... g4 { [%eval 0.0] [%clk 0:28:23] } 44. Kf1 { [%eval -0.15] [%clk 0:05:36] } 44... Ke5 { [%eval 0.0] [%clk 0:25:21] } 45. Kg1 { [%eval -0.23] [%clk 0:04:56] } 45... Kf5 { [%eval -0.12] [%clk 0:24:13] } 46. Kf1 { [%eval -0.16] [%clk 0:04:25] } 46... Be4 { [%eval -0.23] [%clk 0:16:55] } 47. exf4 { [%eval -0.07] [%clk 0:19:54] } 47... Bd3+ { [%eval 0.0] [%clk 0:42:21] } 48. Kg1 { [%eval 0.0] [%clk 0:16:01] } 48... Kxf4 { [%eval 0.0] [%clk 0:40:12] } 49. Nb3 { [%eval -0.04] [%clk 0:16:02] } 49... Bf5 { [%eval -0.06] [%clk 0:38:06] } 50. Nc5 { [%eval 0.0] [%clk 0:15:58] } 50... Bc8 { [%eval -0.06] [%clk 0:38:32] } 51. Kf1 { [%eval -0.07] [%clk 0:15:36] } 51... Ke5 { [%eval -0.48] [%clk 0:38:30] } 52. Nb3 { [%eval -0.75] [%clk 0:13:36] } 52... Kd5 { [%eval -0.59] [%clk 0:38:41] } 0-1