Event: OCS A
Site: https://lichess.org/broadcast/olomouc-chess-summer-2025--b1-im/round-8/rvALRbrM/Aw1k81jm
White: Cherniack, Alex
WhiteElo: 2175
Black: Biolek, Richard Jr.
BlackTitle: IM
BlackElo: 2397
Result: 1/2-1/2
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:54] } 1... c5 { [%eval 0.24] [%clk 1:30:28] } 2. Nf3 { [%eval 0.2] [%clk 1:31:17] } 2... Nc6 { [%eval 0.3] [%clk 1:30:46] } 3. d4 { [%eval 0.27] [%clk 1:31:32] } 3... cxd4 { [%eval 0.27] [%clk 1:31:12] } 4. Nxd4 { [%eval 0.21] [%clk 1:31:57] } 4... Nf6 { [%eval 0.19] [%clk 1:31:37] } 5. Nc3 { [%eval 0.26] [%clk 1:32:20] } 5... e6 { [%eval 0.35] [%clk 1:32:03] } 6. a3 { [%eval 0.15] [%clk 1:32:05] } 6... d6 { [%eval 0.23] [%clk 1:28:08] } 7. Be2 { [%eval 0.23] [%clk 1:31:52] } 7... Be7 { [%eval 0.22] [%clk 1:27:54] } 8. O-O { [%eval 0.05] [%clk 1:31:45] } 8... O-O { [%eval 0.1] [%clk 1:26:56] } 9. Be3 { [%eval 0.12] [%clk 1:31:53] } 9... a6 { [%eval 0.19] [%clk 1:15:03] } 10. f4 { [%eval 0.21] [%clk 1:29:30] } 10... Qc7 { [%eval 0.32] [%clk 1:13:44] } 11. Qe1 { [%eval 0.35] [%clk 1:28:28] } 11... Na5 { [%eval 0.56] [%clk 0:46:00] } 12. Rd1 { [%eval 0.53] [%clk 1:01:41] } 12... Nc4 { [%eval 0.74] [%clk 0:38:30] } 13. Bxc4 { [%eval 0.6] [%clk 0:58:32] } 13... Qxc4 { [%eval 0.66] [%clk 0:38:57] } 14. e5?! { [%eval 0.0] } { Inaccuracy. Qg3 was best. } { [%clk 0:58:53] } 14... Nd5?? { [%eval 1.89] } { Blunder. Ng4 was best. } { [%clk 0:23:31] } 15. Nxd5? { [%eval 0.64] } { Mistake. Nf5 was best. } { [%clk 0:52:16] } 15... exd5 { [%eval 0.64] [%clk 0:23:59] } 16. Qg3 { [%eval 0.64] [%clk 0:48:12] } 16... Kh8 { [%eval 0.71] [%clk 0:22:23] } 17. f5?! { [%eval -0.11] } { Inaccuracy. Rd3 was best. } { [%clk 0:42:11] } 17... dxe5 { [%eval -0.08] [%clk 0:22:42] } 18. Qxe5 { [%eval -0.07] [%clk 0:42:35] } 18... Bf6 { [%eval -0.16] [%clk 0:22:21] } 19. Qg3 { [%eval -0.14] [%clk 0:42:39] } 19... Bd7 { [%eval -0.08] [%clk 0:20:21] } 20. c3 { [%eval -0.08] [%clk 0:32:02] } 20... Rfe8 { [%eval -0.02] [%clk 0:20:46] } 21. Bg5 { [%eval 0.0] [%clk 0:30:06] } 21... Bxg5 { [%eval 0.01] [%clk 0:17:58] } 22. Qxg5 { [%eval 0.0] [%clk 0:30:30] } 22... f6 { [%eval 0.04] [%clk 0:18:24] } 23. Qg3 { [%eval 0.02] [%clk 0:28:37] } 23... Re4 { [%eval 0.08] [%clk 0:17:52] } 24. Qd6 { [%eval 0.07] [%clk 0:27:49] } 24... Bc6 { [%eval 0.43] [%clk 0:16:56] } 25. Rf3 { [%eval 0.17] [%clk 0:12:48] } 25... Rae8?? { [%eval 2.04] } { Blunder. Ba4 was best. } { [%clk 0:13:31] } 26. h3? { [%eval 0.55] } { Mistake. b3 was best. } { [%clk 0:13:11] } 26... a5 { [%eval 0.55] [%clk 0:07:46] } 27. Kh2 { [%eval 0.46] [%clk 0:12:01] } 27... a4?! { [%eval 1.14] } { Inaccuracy. Ba4 was best. } { [%clk 0:06:39] } 1/2-1/2