Event: Reykjavik Open 2025
Site: Reykjavik, Iceland
Date: 2025-04-09
White: Zierk, Steven
WhiteTitle: GM
WhiteElo: 2501
Black: Hartung, Thomas
BlackElo: 2118
Result: 1-0
ECO: A05
Opening: King's Indian Attack
Variant: Standard
TimeControl: 90+30 +30 after 40 moves

1. Nf3 { [%eval 0.14] [%clk 1:30:56] } 1... d5 { [%eval 0.18] [%clk 1:30:50] } 2. g3 { [%eval 0.15] [%clk 1:31:17] } 2... Nf6 { [%eval 0.19] [%clk 1:30:25] } 3. Bg2 { [%eval 0.13] [%clk 1:31:39] } 3... g6 { [%eval 0.14] [%clk 1:29:51] } 4. c4 { [%eval 0.16] [%clk 1:31:26] } 4... Bg7 { [%eval 0.28] [%clk 1:27:04] } 5. cxd5 { [%eval 0.36] [%clk 1:30:14] } 5... Nxd5 { [%eval 0.23] [%clk 1:27:18] } 6. Nc3 { [%eval 0.07] [%clk 1:29:46] } 6... O-O { [%eval 0.12] [%clk 1:24:56] } 7. O-O { [%eval 0.12] [%clk 1:29:32] } 7... c6 { [%eval 0.57] [%clk 1:17:51] } 8. d4 { [%eval 0.62] [%clk 1:27:08] } 8... Nd7 { [%eval 0.8] [%clk 1:13:19] } 9. e4 { [%eval 0.55] [%clk 1:25:50] } 9... Nxc3 { [%eval 0.66] [%clk 1:12:38] } 10. bxc3 { [%eval 0.76] [%clk 1:26:12] } 10... Qa5 { [%eval 0.69] [%clk 1:12:07] } 11. Qb3 { [%eval 0.59] [%clk 1:18:06] } 11... Nb6 { [%eval 0.4] [%clk 1:09:26] } 12. Bd2 { [%eval 0.22] [%clk 1:11:24] } 12... Be6 { [%eval 0.26] [%clk 1:06:52] } 13. c4 { [%eval 0.2] [%clk 1:07:15] } 13... Qa6 { [%eval 0.16] [%clk 1:02:20] } 14. d5 { [%eval 0.4] [%clk 1:06:03] } 14... cxd5 { [%eval 0.48] [%clk 0:52:22] } 15. cxd5 { [%eval 0.39] [%clk 1:05:22] } 15... Bd7 { [%eval 0.45] [%clk 0:47:58] } 16. Bc3 { [%eval 0.49] [%clk 0:56:49] } 16... Ba4 { [%eval 0.97] [%clk 0:39:56] } 17. Qb4?! { [%eval 0.27] } { Inaccuracy. Qb2 was best. } { [%clk 0:55:29] } 17... Qc4?! { [%eval 0.94] } { Inaccuracy. Qb5 was best. } { [%clk 0:37:33] } 18. Rac1 { [%eval 0.65] [%clk 0:53:29] } 18... Rfc8 { [%eval 0.54] [%clk 0:30:05] } 19. Bd2 { [%eval 0.07] [%clk 0:47:33] } 19... Qxb4 { [%eval 0.09] [%clk 0:26:57] } 20. Bxb4 { [%eval 0.05] [%clk 0:47:47] } 20... Kf8 { [%eval 0.01] [%clk 0:26:59] } 21. Bh3 { [%eval -0.05] [%clk 0:28:57] } 21... Bd7 { [%eval -0.01] [%clk 0:25:34] } 22. Bxd7 { [%eval -0.02] [%clk 0:27:34] } 22... Nxd7 { [%eval -0.01] [%clk 0:26:03] } 23. Kg2 { [%eval 0.0] [%clk 0:27:17] } 23... Ke8 { [%eval 0.0] [%clk 0:23:48] } 24. Rfd1 { [%eval -0.03] [%clk 0:24:32] } 24... Ne5 { [%eval 0.5] [%clk 0:18:10] } 25. Bc3 { [%eval 0.54] [%clk 0:22:04] } 25... Nxf3 { [%eval 0.53] [%clk 0:15:47] } 26. Bxg7 { [%eval 0.67] [%clk 0:22:26] } 26... Ng5 { [%eval 0.66] [%clk 0:15:05] } 27. f3?! { [%eval 0.0] } { Inaccuracy. e5 was best. } { [%clk 0:20:01] } 27... f6 { [%eval 0.0] [%clk 0:11:11] } 28. Bh6 { [%eval 0.0] [%clk 0:18:35] } 28... Nf7 { [%eval -0.02] [%clk 0:11:38] } 29. Be3 { [%eval -0.06] [%clk 0:18:02] } 29... b6 { [%eval 0.15] [%clk 0:11:06] } 30. f4 { [%eval -0.04] [%clk 0:16:02] } 30... Kd7 { [%eval 0.11] [%clk 0:11:10] } 31. Kf3 { [%eval 0.02] [%clk 0:10:44] } 31... b5 { [%eval 0.2] [%clk 0:07:20] } 32. Bd4 { [%eval 0.19] [%clk 0:05:21] } 32... Nd6 { [%eval 0.32] [%clk 0:03:23] } 33. e5 { [%eval 0.24] [%clk 0:03:29] } 33... fxe5?! { [%eval 0.79] } { Inaccuracy. Rxc1 was best. } { [%clk 0:03:52] } 34. fxe5 { [%eval 1.18] [%clk 0:03:47] } 34... Rf8+ { [%eval 1.4] [%clk 0:04:10] } 35. Ke2 { [%eval 1.17] [%clk 0:03:38] } 35... Nc4 { [%eval 0.86] [%clk 0:04:23] } 36. Rf1?! { [%eval 0.0] } { Inaccuracy. a4 was best. } { [%clk 0:03:17] } 36... a6 { [%eval 0.0] [%clk 0:04:41] } 37. a4 { [%eval 0.0] [%clk 0:02:18] } 37... Rxf1 { [%eval 0.0] [%clk 0:02:59] } 38. Rxf1 { [%eval 0.0] [%clk 0:02:43] } 38... bxa4?! { [%eval 0.91] } { Inaccuracy. Rd8 was best. } { [%clk 0:02:23] } 39. Kd3 { [%eval 0.95] [%clk 0:02:43] } 39... Rc8? { [%eval 2.22] } { Mistake. Na5 was best. } { [%clk 0:01:46] } 40. Rb1?? { [%eval 0.0] } { Blunder. Rf7 was best. } { [%clk 0:02:14] } 40... a3 { [%eval 0.0] [%clk 0:00:33] } 41. Rb4 { [%eval 0.07] [%clk 0:24:33] } 41... Nb2+ { [%eval 0.0] [%clk 0:27:24] } 42. Bxb2 { [%eval 0.0] [%clk 0:24:26] } 42... axb2 { [%eval 0.01] [%clk 0:27:52] } 43. Rxb2 { [%eval 0.1] [%clk 0:24:49] } 43... Rc1 { [%eval 0.4] [%clk 0:19:07] } 44. Rb7+ { [%eval 0.18] [%clk 0:22:48] } 44... Kd8 { [%eval 0.12] [%clk 0:18:42] } 45. e6 { [%eval 0.16] [%clk 0:18:13] } 45... Rc7 { [%eval 0.25] [%clk 0:10:56] } 46. Rb6 { [%eval 0.47] [%clk 0:16:41] } 46... Ra7?? { [%eval 5.61] } { Blunder. a5 was best. } { [%clk 0:11:02] } 47. Rb8+ { [%eval 5.43] [%clk 0:16:13] } 47... Kc7 { [%eval 5.75] [%clk 0:11:29] } 48. Re8 { [%eval 5.55] [%clk 0:16:32] } 48... Kb6 { [%eval 6.25] [%clk 0:11:08] } 49. d6 { [%eval 6.23] [%clk 0:15:36] } 49... exd6 { [%eval 6.47] [%clk 0:10:28] } 50. e7 { [%eval 6.42] [%clk 0:15:57] } 50... Rb7 { [%eval 6.29] [%clk 0:08:23] } 51. Kd4 { [%eval 5.57] [%clk 0:06:52] } 1-0