Event: Olomouc 2025ab
Site: https://lichess.org/broadcast/olomouc-chess-summer-2025--a-gm/round-5/nxQBVNpt/bjyyCf8a
White: Cieslak, Patryk
WhiteElo: 2470
Black: Ernst, Robert
BlackTitle: FM
BlackElo: 2365
Result: 1-0
ECO: D11
Opening: Slav Defense: Quiet Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... d5 { [%eval 0.2] [%clk 1:30:20] } 2. c4 { [%eval 0.18] [%clk 1:31:22] } 2... c6 { [%eval 0.21] [%clk 1:30:44] } 3. Nf3 { [%eval 0.2] [%clk 1:31:47] } 3... Nf6 { [%eval 0.24] [%clk 1:31:05] } 4. e3 { [%eval 0.15] [%clk 1:32:11] } 4... a6 { [%eval 0.32] [%clk 1:30:57] } 5. Nc3 { [%eval 0.19] [%clk 1:32:32] } 5... Bf5 { [%eval 0.45] [%clk 1:31:18] } 6. h3 { [%eval 0.23] [%clk 1:32:53] } 6... h6 { [%eval 0.28] [%clk 1:22:25] } 7. Qb3 { [%eval 0.37] [%clk 1:33:07] } 7... Ra7 { [%eval 0.34] [%clk 1:22:08] } 8. g4 { [%eval 0.39] [%clk 1:33:28] } 8... Bh7 { [%eval 0.32] [%clk 1:20:01] } 9. g5 { [%eval 0.34] [%clk 1:33:31] } 9... hxg5 { [%eval 0.36] [%clk 1:18:42] } 10. Nxg5 { [%eval 0.45] [%clk 1:33:55] } 10... e6 { [%eval 0.38] [%clk 1:16:37] } 11. Nxh7 { [%eval 0.36] [%clk 1:29:32] } 11... Rxh7 { [%eval 0.36] [%clk 1:16:03] } 12. Bd2 { [%eval 0.53] [%clk 1:23:43] } 12... Bd6?! { [%eval 1.17] } { Inaccuracy. Rh4 was best. } { [%clk 1:09:15] } 13. Bd3?! { [%eval 0.24] } { Inaccuracy. c5 was best. } { [%clk 1:16:25] } 13... g6?! { [%eval 1.03] } { Inaccuracy. dxc4 was best. } { [%clk 1:02:58] } 14. O-O-O { [%eval 0.86] [%clk 1:09:49] } 14... b5 { [%eval 0.95] [%clk 1:03:20] } 15. cxd5 { [%eval 0.48] [%clk 0:56:21] } 15... cxd5 { [%eval 0.47] [%clk 1:03:40] } 16. Kb1 { [%eval 0.73] [%clk 0:56:05] } 16... Nc6 { [%eval 1.09] [%clk 1:03:26] } 17. Nxb5 { [%eval 1.16] [%clk 0:50:31] } 17... axb5 { [%eval 1.12] [%clk 1:00:39] } 18. Bxb5 { [%eval 1.21] [%clk 0:50:40] } 18... Rc7?? { [%eval 3.57] } { Blunder. Kf8 was best. } { [%clk 0:57:30] } 19. Ba5 { [%eval 3.42] [%clk 0:45:42] } 1-0