Event: Open Letni Praha 2025
Site: https://lichess.org/broadcast/summer-prague-open-2025/round-9/X8VX8xpE/x7MzwECO
White: Prokofiev, Valentyn
WhiteTitle: IM
WhiteElo: 2426
Black: Walek, Petr
BlackTitle: FM
BlackElo: 2284
Result: 1-0
ECO: D35
Opening: Queen's Gambit Declined: Exchange Variation, Positional Variation
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:29:02] } 1... e6 { [%eval 0.25] [%clk 1:30:40] } 2. d4 { [%eval 0.16] [%clk 1:29:01] } 2... Nf6 { [%eval 0.14] [%clk 1:29:30] } 3. Nc3 { [%eval 0.09] [%clk 1:29:24] } 3... d5 { [%eval 0.24] [%clk 1:27:19] } 4. cxd5 { [%eval 0.22] [%clk 1:29:50] } 4... exd5 { [%eval 0.2] [%clk 1:27:32] } 5. Bg5 { [%eval 0.24] [%clk 1:30:16] } 5... Bb4 { [%eval 0.28] [%clk 1:12:31] } 6. e3 { [%eval 0.21] [%clk 1:30:17] } 6... h6 { [%eval 0.21] [%clk 1:10:58] } 7. Bh4 { [%eval 0.26] [%clk 1:30:42] } 7... g5 { [%eval 0.31] [%clk 1:09:28] } 8. Bg3 { [%eval 0.3] [%clk 1:31:09] } 8... Ne4 { [%eval 0.25] [%clk 1:09:03] } 9. Ne2 { [%eval 0.16] [%clk 1:31:34] } 9... h5 { [%eval 0.17] [%clk 1:02:49] } 10. h4 { [%eval 0.24] [%clk 1:32:00] } 10... Nxg3 { [%eval 0.22] [%clk 0:43:54] } 11. Nxg3 { [%eval 0.34] [%clk 1:32:25] } 11... gxh4 { [%eval 0.24] [%clk 0:43:29] } 12. Nxh5 { [%eval 0.54] [%clk 1:32:37] } 12... Qg5 { [%eval 0.33] [%clk 0:43:07] } 13. Qa4+ { [%eval 0.43] [%clk 1:24:42] } 13... Nc6 { [%eval 0.3] [%clk 0:40:55] } 14. Nf4 { [%eval 0.5] [%clk 1:24:39] } 14... Bd7 { [%eval 0.48] [%clk 0:36:21] } 15. Qb5 { [%eval 0.47] [%clk 1:21:08] } 15... Nxd4 { [%eval 0.5] [%clk 0:20:42] } 16. Qxb7 { [%eval 0.55] [%clk 1:20:40] } 16... Bc6?! { [%eval 1.66] } { Inaccuracy. Rd8 was best. } { [%clk 0:14:59] } 17. Qa6 { [%eval 1.34] [%clk 1:15:40] } 17... O-O?? { [%eval 3.99] } { Blunder. Rh6 was best. } { [%clk 0:11:54] } 18. O-O-O { [%eval 4.04] [%clk 1:14:23] } 18... Rab8 { [%eval 4.58] [%clk 0:01:31] } 19. Rxd4 { [%eval 4.72] [%clk 1:13:54] } 19... Bxc3 { [%eval 4.56] [%clk 0:01:57] } 20. bxc3 { [%eval 4.23] [%clk 1:13:49] } 20... Rb6 { [%eval 4.41] [%clk 0:02:22] } 21. Qa3 { [%eval 4.43] [%clk 1:12:39] } 21... Rfb8 { [%eval 4.57] [%clk 0:02:16] } 22. Bd3 { [%eval 4.45] [%clk 1:12:27] } 22... Rb2 { [%eval 4.58] [%clk 0:01:45] } 23. Qxb2 { [%eval 4.5] [%clk 1:11:41] } 23... Rxb2 { [%eval 4.66] [%clk 0:02:10] } 24. Kxb2 { [%eval 4.8] [%clk 1:12:10] } 24... a5 { [%eval 4.47] [%clk 0:01:24] } 25. Be2 { [%eval 4.17] [%clk 1:11:30] } 25... Bb7? { [%eval 6.82] } { Mistake. Qe7 was best. } { [%clk 0:01:36] } 26. Nxd5?! { [%eval 4.85] } { Inaccuracy. Ne6 was best. } { [%clk 1:11:38] } 26... Qe5 { [%eval 5.52] [%clk 0:01:10] } 27. Bf3 { [%eval 5.49] [%clk 1:11:45] } 27... a4 { [%eval 6.09] [%clk 0:00:57] } 28. Rhxh4 { [%eval 5.88] [%clk 1:11:06] } 28... c5?! { [%eval 9.04] } { Inaccuracy. Bxd5 was best. } { [%clk 0:00:34] } 29. Rde4 { [%eval 8.83] [%clk 1:11:13] } 29... a3+ { [%eval 8.91] [%clk 0:00:38] } 30. Kc1 { [%eval 8.55] [%clk 1:11:24] } 1-0