Event: Round 4: Arndt, Magnus - Tsakonas, Konstantinos
Date: 2025-05-30
White: Arndt, Magnus
WhiteTitle: FM
WhiteElo: 2380
Black: Tsakonas, Konstantinos
BlackElo: 2039
Result: 1-0
ECO: E20
Opening: Nimzo-Indian Defense: Kmoch Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... Nf6 { [%eval 0.19] [%clk 1:27:25] } 2. c4 { [%eval 0.18] [%clk 1:28:16] } 2... e6 { [%eval 0.14] [%clk 1:27:49] } 3. Nc3 { [%eval 0.09] [%clk 1:28:37] } 3... Bb4 { [%eval 0.09] [%clk 1:28:08] } 4. f3 { [%eval 0.0] [%clk 1:29:03] } 4... O-O { [%eval 0.18] [%clk 1:26:48] } 5. e4 { [%eval 0.0] [%clk 1:28:23] } 5... d6 { [%eval 0.24] [%clk 1:25:17] } 6. Ne2 { [%eval 0.11] [%clk 1:27:39] } 6... e5 { [%eval 0.61] [%clk 1:24:23] } 7. a3 { [%eval 0.44] [%clk 1:24:53] } 7... Bxc3+ { [%eval 0.51] [%clk 1:23:38] } 8. Nxc3 { [%eval 0.54] [%clk 1:25:09] } 8... c6?! { [%eval 1.66] } { Inaccuracy. exd4 was best. } { [%clk 1:19:21] } 9. Be3 { [%eval 1.68] [%clk 1:21:30] } 9... Re8 { [%eval 2.03] [%clk 1:16:14] } 10. d5 { [%eval 1.7] [%clk 1:08:07] } 10... Qe7 { [%eval 1.82] [%clk 1:11:19] } 11. Qd2 { [%eval 1.75] [%clk 0:58:46] } 11... c5?! { [%eval 2.39] } { Inaccuracy. cxd5 was best. } { [%clk 1:05:08] } 12. Bd3 { [%eval 2.1] [%clk 0:51:45] } 12... Na6 { [%eval 2.47] [%clk 0:57:34] } 13. g4 { [%eval 2.49] [%clk 0:39:53] } 13... Nc7 { [%eval 2.46] [%clk 0:52:28] } 14. h4 { [%eval 2.35] [%clk 0:36:56] } 14... Nd7 { [%eval 2.36] [%clk 0:42:30] } 15. Ne2 { [%eval 2.1] [%clk 0:30:15] } 15... a6 { [%eval 2.27] [%clk 0:35:11] } 16. Ng3 { [%eval 2.26] [%clk 0:28:05] } 16... g6?! { [%eval 3.4] } { Inaccuracy. Rb8 was best. } { [%clk 0:33:09] } 17. O-O-O { [%eval 3.43] [%clk 0:19:41] } 17... b5 { [%eval 3.35] [%clk 0:31:15] } 18. Rdg1 { [%eval 3.28] [%clk 0:11:42] } 18... bxc4 { [%eval 3.2] [%clk 0:29:19] } 19. Bxc4 { [%eval 2.7] [%clk 0:09:53] } 19... Nb6 { [%eval 2.63] [%clk 0:28:34] } 20. Ba2 { [%eval 2.37] [%clk 0:08:51] } 20... Nb5 { [%eval 2.4] [%clk 0:27:38] } 21. Nf5?! { [%eval 1.52] } { Inaccuracy. h5 was best. } { [%clk 0:04:02] } 21... Qc7? { [%eval 3.38] } { Mistake. Bxf5 was best. } { [%clk 0:26:38] } 22. h5 { [%eval 3.15] [%clk 0:02:03] } 22... Nd4?! { [%eval 4.9] } { Inaccuracy. Na4 was best. } { [%clk 0:26:05] } 23. Rh3? { [%eval 3.07] } { Mistake. hxg6 was best. } { [%clk 0:01:59] } 23... Rd8?! { [%eval 4.31] } { Inaccuracy. a5 was best. } { [%clk 0:20:11] } 24. Bg5 { [%eval 4.08] [%clk 0:01:34] } 24... Rd7? { [%eval 7.93] } { Mistake. gxf5 was best. } { [%clk 0:20:11] } 25. Bf6 { [%eval 7.58] [%clk 0:01:44] } 25... c4? { [%eval #4] } { Checkmate is now unavoidable. Ne2+ was best. } { [%clk 0:14:57] } 26. Qh6 { [%eval #3] [%clk 0:01:53] } 26... Ne6 { [%eval #3] [%clk 0:15:19] } 27. hxg6 { [%eval #9] [%clk 0:01:53] } 27... fxg6 { [%eval #9] [%clk 0:15:11] } 28. dxe6 { [%eval #8] [%clk 0:02:22] } 1-0