Event: Open Letni Praha 2025
Site: https://lichess.org/broadcast/summer-prague-open-2025/round-8/1Yz3rBpR/3pYNkXQa
White: Heinrich, John
WhiteTitle: FM
WhiteElo: 2351
Black: Mrazek, Adam
BlackElo: 2043
Result: 1-0
ECO: E61
Opening: King's Indian Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:51] } 1... Nf6 { [%eval 0.19] [%clk 1:30:48] } 2. c4 { [%eval 0.18] [%clk 1:31:13] } 2... g6 { [%eval 0.28] [%clk 1:31:00] } 3. Nc3 { [%eval 0.18] [%clk 1:31:32] } 3... Bg7 { [%eval 0.51] [%clk 1:31:07] } 4. g3 { [%eval 0.11] [%clk 1:31:58] } 4... c6 { [%eval 0.53] [%clk 1:19:58] } 5. e4 { [%eval 0.54] [%clk 1:32:21] } 5... d5 { [%eval 0.64] [%clk 1:16:21] } 6. cxd5 { [%eval 0.56] [%clk 1:32:44] } 6... cxd5 { [%eval 0.52] [%clk 1:16:03] } 7. e5 { [%eval 0.54] [%clk 1:33:12] } 7... Ne4 { [%eval 0.52] [%clk 1:15:11] } 8. Bg2 { [%eval 0.58] [%clk 1:33:37] } 8... Nxc3 { [%eval 1.08] [%clk 1:01:31] } 9. bxc3 { [%eval 0.95] [%clk 1:33:49] } 9... O-O { [%eval 1.17] [%clk 1:01:52] } 10. Ne2 { [%eval 1.24] [%clk 1:34:06] } 10... Nc6 { [%eval 1.07] [%clk 1:01:31] } 11. Nf4 { [%eval 1.31] [%clk 1:34:24] } 11... e6 { [%eval 1.41] [%clk 0:45:35] } 12. h4 { [%eval 1.44] [%clk 1:34:49] } 12... Na5 { [%eval 1.9] [%clk 0:28:00] } 13. h5 { [%eval 1.82] [%clk 1:33:16] } 13... b6 { [%eval 2.33] [%clk 0:26:25] } 14. Qd3 { [%eval 2.29] [%clk 1:00:07] } 14... Re8? { [%eval 4.24] } { Mistake. Qc7 was best. } { [%clk 0:17:30] } 15. Kf1?! { [%eval 2.83] } { Inaccuracy. hxg6 was best. } { [%clk 0:56:52] } 15... Qc7 { [%eval 2.79] [%clk 0:15:32] } 16. Kg1 { [%eval 2.8] [%clk 0:57:15] } 16... Qc4 { [%eval 3.35] [%clk 0:09:45] } 17. Qf3 { [%eval 2.89] [%clk 0:56:51] } 17... Bd7?! { [%eval 4.23] } { Inaccuracy. Ba6 was best. } { [%clk 0:07:26] } 18. h6?! { [%eval 2.98] } { Inaccuracy. hxg6 was best. } { [%clk 0:47:52] } 18... Bf8?! { [%eval 4.34] } { Inaccuracy. Bh8 was best. } { [%clk 0:07:08] } 19. Nh5 { [%eval 4.35] [%clk 0:32:35] } 19... Red8 { [%eval 4.52] [%clk 0:00:32] } 20. Nf6+ { [%eval 4.82] [%clk 0:29:15] } 20... Kh8 { [%eval 4.48] [%clk 0:01:01] } 21. Nxh7 { [%eval 4.38] [%clk 0:29:20] } 21... f5 { [%eval 4.73] [%clk 0:01:19] } 22. Ng5 { [%eval 4.26] [%clk 0:29:07] } 22... Re8 { [%eval 5.03] [%clk 0:01:03] } 23. Nh3 { [%eval 4.11] [%clk 0:27:25] } 23... Kh7 { [%eval 4.97] [%clk 0:00:40] } 24. Bg5 { [%eval 5.04] [%clk 0:27:43] } 24... Be7 { [%eval 4.45] [%clk 0:00:46] } 25. Bf6 { [%eval 4.3] [%clk 0:27:20] } 25... Rac8?? { [%eval #3] } { Checkmate is now unavoidable. Bxf6 was best. } { [%clk 0:00:35] } 26. Ng5+ { [%eval #2] [%clk 0:27:42] } 1-0