Event: U.S. Senior Championship
Site: Saint Louis, United States
Date: 2021-07-17
White: Kaidanov, Gregory
WhiteElo: 2547
Black: Tarjan, James
BlackElo: 2381
Result: 1-0
ECO: A95
Opening: Dutch Defense: Stonewall Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... f5?! { [%eval 0.66] } { Inaccuracy. e6 was best. } { [%clk 1:30:32] } 2. g3 { [%eval 0.52] [%clk 1:31:04] } 2... Nf6 { [%eval 0.67] [%clk 1:30:26] } 3. Bg2 { [%eval 0.58] [%clk 1:31:26] } 3... e6 { [%eval 0.59] [%clk 1:30:14] } 4. c4 { [%eval 0.52] [%clk 1:31:34] } 4... Be7 { [%eval 0.85] [%clk 1:28:53] } 5. Nc3 { [%eval 0.56] [%clk 1:30:59] } 5... O-O { [%eval 0.78] [%clk 1:26:47] } 6. Nf3 { [%eval 0.45] [%clk 1:31:06] } 6... d5 { [%eval 0.56] [%clk 1:25:33] } 7. O-O { [%eval 0.48] [%clk 1:30:11] } 7... c6 { [%eval 0.83] [%clk 1:22:20] } 8. Qc2 { [%eval 0.7] [%clk 1:29:03] } 8... Ne4 { [%eval 0.66] [%clk 1:21:24] } 9. Bf4 { [%eval 0.62] [%clk 1:22:00] } 9... Nd7 { [%eval 0.78] [%clk 1:19:33] } 10. Rad1 { [%eval 0.79] [%clk 1:21:59] } 10... Bf6 { [%eval 0.93] [%clk 1:17:59] } 11. Ne1?! { [%eval 0.35] } { Inaccuracy. Nxe4 was best. } { [%clk 1:12:29] } 11... Qe7 { [%eval 0.56] [%clk 1:16:36] } 12. f3? { [%eval -0.58] } { Mistake. b3 was best. } { [%clk 1:01:05] } 12... Nd6?? { [%eval 0.98] } { Blunder. Nxc3 was best. } { [%clk 1:08:22] } 13. cxd5 { [%eval 0.95] [%clk 0:55:47] } 13... exd5 { [%eval 1.06] [%clk 1:05:54] } 14. e4 { [%eval 1.05] [%clk 0:55:49] } 14... fxe4 { [%eval 0.67] [%clk 1:02:17] } 15. Bxd6 { [%eval 0.74] [%clk 0:52:50] } 15... Qxd6 { [%eval 0.53] [%clk 1:00:13] } 16. fxe4 { [%eval 0.57] [%clk 0:53:15] } 16... dxe4 { [%eval 0.79] [%clk 0:58:33] } 17. Nxe4 { [%eval 0.95] [%clk 0:53:38] } 17... Qe7 { [%eval 1.04] [%clk 0:55:49] } 18. Nf3?! { [%eval 0.5] } { Inaccuracy. Qb3+ was best. } { [%clk 0:49:31] } 18... Nb6 { [%eval 1.0] [%clk 0:55:08] } 19. Rfe1?! { [%eval 0.0] } { Inaccuracy. Nc5 was best. } { [%clk 0:44:59] } 19... Bf5 { [%eval 0.02] [%clk 0:48:39] } 20. Qb3+ { [%eval 0.02] [%clk 0:39:45] } 20... Kh8 { [%eval 0.19] [%clk 0:47:54] } 21. Nxf6 { [%eval 0.33] [%clk 0:27:40] } 21... Qxf6 { [%eval 0.12] [%clk 0:48:13] } 22. Ne5 { [%eval 0.06] [%clk 0:27:57] } 22... Rad8? { [%eval 1.25] } { Mistake. Be6 was best. } { [%clk 0:44:30] } 23. Qa3 { [%eval 0.99] [%clk 0:26:32] } 23... Nc8 { [%eval 1.15] [%clk 0:40:26] } 24. d5? { [%eval 0.09] } { Mistake. Re2 was best. } { [%clk 0:20:45] } 24... cxd5 { [%eval 0.07] [%clk 0:37:55] } 25. Bxd5 { [%eval 0.01] [%clk 0:15:24] } 25... h6?? { [%eval 3.8] } { Blunder. Ne7 was best. } { [%clk 0:34:25] } 26. Nf7+ { [%eval 3.73] [%clk 0:12:37] } 26... Rxf7 { [%eval 3.63] [%clk 0:32:10] } 27. Bxf7 { [%eval 3.83] [%clk 0:13:03] } 27... Qb6+ { [%eval 3.56] [%clk 0:29:43] } 28. Kg2 { [%eval 3.59] [%clk 0:13:25] } 28... Qc6+ { [%eval 3.62] [%clk 0:29:28] } 29. Kg1 { [%eval 3.62] [%clk 0:11:59] } 29... Qb6+ { [%eval 3.63] [%clk 0:29:21] } 30. Kg2 { [%eval 3.74] [%clk 0:12:22] } 30... Qc6+ { [%eval 3.58] [%clk 0:28:35] } 31. Kf2 { [%eval 3.56] [%clk 0:11:14] } 31... Nd6 { [%eval 4.52] [%clk 0:24:30] } 32. Bd5?! { [%eval 3.38] } { Inaccuracy. Qa5 was best. } { [%clk 0:11:36] } 32... Qb6+?! { [%eval 4.33] } { Inaccuracy. Qc2+ was best. } { [%clk 0:22:48] } 33. Qe3 { [%eval 4.51] [%clk 0:10:32] } 33... Qxb2+ { [%eval 4.31] [%clk 0:22:18] } 34. Kg1 { [%eval 3.9] [%clk 0:10:45] } 34... a6?! { [%eval 4.93] } { Inaccuracy. Qb4 was best. } { [%clk 0:18:32] } 35. Qf2 { [%eval 4.12] [%clk 0:10:25] } 35... Qb4?! { [%eval 5.35] } { Inaccuracy. Qxf2+ was best. } { [%clk 0:15:23] } 36. Bg2 { [%eval 5.2] [%clk 0:10:12] } 36... Rf8 { [%eval 5.87] [%clk 0:13:43] } 37. Rd4 { [%eval 5.0] [%clk 0:08:20] } 37... Nc4?! { [%eval 6.92] } { Inaccuracy. Qc5 was best. } { [%clk 0:11:10] } 38. Rf4 { [%eval 7.07] [%clk 0:08:03] } 1-0