Event: U.S. Senior Championship
Site: Saint Louis, United States
Date: 2021-07-23
White: Christiansen, Larry
Black: Kaidanov, Gregory
BlackElo: 2547
Result: 1/2-1/2
ECO: C28
Opening: Bishop's Opening: Vienna Hybrid, Hromádka Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:53] } 1... e5 { [%eval 0.12] [%clk 1:30:43] } 2. Bc4 { [%eval 0.0] [%clk 1:31:10] } 2... Nf6 { [%eval 0.0] [%clk 1:30:55] } 3. d3 { [%eval 0.0] [%clk 1:31:34] } 3... Nc6 { [%eval 0.28] [%clk 1:31:06] } 4. Nc3 { [%eval 0.13] [%clk 1:31:11] } 4... Bb4 { [%eval 0.06] [%clk 1:30:51] } 5. Ne2 { [%eval 0.0] [%clk 1:30:52] } 5... d5 { [%eval 0.0] [%clk 1:30:41] } 6. exd5 { [%eval 0.04] [%clk 1:30:37] } 6... Nxd5 { [%eval 0.05] [%clk 1:31:05] } 7. O-O { [%eval 0.0] [%clk 1:28:47] } 7... Be6 { [%eval 0.0] [%clk 1:30:28] } 8. Bxd5 { [%eval 0.07] [%clk 1:24:55] } 8... Bxd5 { [%eval -0.01] [%clk 1:30:39] } 9. f4 { [%eval 0.17] [%clk 1:24:59] } 9... f6 { [%eval 0.12] [%clk 1:28:31] } 10. fxe5 { [%eval 0.08] [%clk 1:18:21] } 10... Nxe5 { [%eval 0.07] [%clk 1:28:03] } 11. Nxd5 { [%eval 0.08] [%clk 0:58:05] } 11... Qxd5 { [%eval 0.0] [%clk 1:28:18] } 12. c3 { [%eval -0.03] [%clk 0:58:08] } 12... Bd6 { [%eval 0.02] [%clk 1:24:43] } 13. Nf4 { [%eval -0.11] [%clk 0:57:40] } 13... Qf7 { [%eval -0.17] [%clk 1:24:06] } 14. d4 { [%eval -0.12] [%clk 0:55:03] } 14... O-O-O { [%eval -0.2] [%clk 1:21:20] } 15. Qa4 { [%eval -0.43] [%clk 0:49:22] } 15... a6 { [%eval -0.39] [%clk 1:19:41] } 16. dxe5 { [%eval -0.44] [%clk 0:46:55] } 16... Bc5+ { [%eval -0.3] [%clk 1:19:21] } 17. Kh1 { [%eval -0.48] [%clk 0:47:00] } 17... fxe5 { [%eval -0.33] [%clk 1:19:38] } 18. Re1? { [%eval -1.87] } { Mistake. Qe4 was best. } { [%clk 0:40:07] } 18... exf4?! { [%eval -0.98] } { Inaccuracy. Rhf8 was best. } { [%clk 1:18:50] } 19. Bxf4 { [%eval -0.63] [%clk 0:40:06] } 19... Rhf8 { [%eval -0.72] [%clk 1:15:32] } 20. Be5 { [%eval -1.07] [%clk 0:33:26] } 20... g6 { [%eval -0.9] [%clk 1:13:55] } 21. Qg4+ { [%eval -0.81] [%clk 0:32:23] } 21... Qd7 { [%eval -0.73] [%clk 1:12:45] } 22. Qc4 { [%eval -0.55] [%clk 0:29:23] } 22... Qd5 { [%eval -0.59] [%clk 1:09:54] } 23. Qg4+ { [%eval -0.49] [%clk 0:29:41] } 23... Qd7 { [%eval -0.62] [%clk 1:09:20] } 24. Qc4 { [%eval -0.71] [%clk 0:30:05] } 24... Qd5 { [%eval -0.93] [%clk 1:08:22] } 25. Qg4+ { [%eval -0.84] [%clk 0:30:03] } 1/2-1/2