[Event "2023 U.S. Senior Chess Championship"] [Site "Saint Louis, United States"] [Date "2023.07.15"] [Round "1.3"] [White "Khachiyan, Melikset"] [Black "Akopian, Vladimir"] [Result "1-0"] [WhiteElo "2403"] [BlackElo "2612"] [Variant "Standard"] [ECO "B41"] [Opening "Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation"] [Annotator "https://lichess.org/broadcast/-/-/dYhIrCJV"] [StudyName "Round 1"] [ChapterName "Khachiyan, Melikset - Akopian, Vladimir"] [Source "https://lichess.org/study/dYhIrCJV/GHnu8al7"] [Orientation "white"] 1. e4 { [%eval 0.36] [%clk 1:30:52] } 1... c5 { [%eval 0.32] [%clk 1:27:07] } 2. Nf3 { [%eval 0.0] [%clk 1:30:31] } 2... e6 { [%eval 0.34] [%clk 1:26:41] } 3. d4 { [%eval 0.42] [%clk 1:30:39] } 3... cxd4 { [%eval 0.37] [%clk 1:27:04] } 4. Nxd4 { [%eval 0.4] [%clk 1:31:04] } 4... a6 { [%eval 0.58] [%clk 1:27:19] } 5. c4 { [%eval 0.27] [%clk 1:30:56] } 5... Nf6 { [%eval 0.18] [%clk 1:26:45] } 6. Nc3 { [%eval 0.37] [%clk 1:31:18] } 6... Qc7 { [%eval 0.87] [%clk 1:27:03] } 7. a3 { [%eval 0.4] [%clk 1:30:36] } 7... b6 { [%eval 0.71] [%clk 1:20:24] } 8. Be3 { [%eval 0.66] [%clk 1:28:19] } 8... Bb7 { [%eval 0.62] [%clk 1:20:36] } 9. f3 { [%eval 0.64] [%clk 1:28:32] } 9... Be7 { [%eval 0.62] [%clk 1:19:29] } 10. Rc1 { [%eval 0.7] [%clk 1:28:32] } 10... O-O { [%eval 0.65] [%clk 1:19:32] } 11. Be2 { [%eval 0.77] [%clk 1:28:58] } 11... d6 { [%eval 0.62] [%clk 1:19:34] } 12. O-O { [%eval 0.53] [%clk 1:29:20] } 12... Nbd7 { [%eval 0.56] [%clk 1:20:00] } 13. b4 { [%eval 0.67] [%clk 1:28:44] } 13... Rac8 { [%eval 0.63] [%clk 1:16:50] } 14. Qd2 { [%eval 0.6] [%clk 1:24:08] } 14... Qb8 { [%eval 0.58] [%clk 1:16:22] } 15. Rfd1 { [%eval 0.55] [%clk 1:20:32] } 15... Rfe8 { [%eval 0.48] [%clk 1:12:06] } 16. Bf1 { [%eval 0.54] [%clk 1:18:51] } 16... Ne5 { [%eval 0.47] [%clk 1:02:04] } 17. Na4 { [%eval 0.56] [%clk 1:14:54] } 17... Ba8?! { [%eval 1.31] } { Inaccuracy. Nfd7 was best. } { [%clk 0:59:28] } (17... Nfd7 18. Qf2) 18. Nb3?! { [%eval 0.53] } { Inaccuracy. Nxb6 was best. } { [%clk 1:08:59] } (18. Nxb6 Qxb6) 18... Nxc4 { [%eval 0.5] [%clk 0:47:55] } 19. Bxc4 { [%eval 0.47] [%clk 1:03:54] } 19... b5 { [%eval 0.48] [%clk 0:48:19] } 20. Nb6 { [%eval 0.47] [%clk 1:01:10] } 20... bxc4 { [%eval 0.37] [%clk 0:45:43] } 21. Nxc8 { [%eval 0.42] [%clk 0:55:03] } 21... Rxc8 { [%eval 0.37] [%clk 0:45:53] } 22. Nd4?! { [%eval -0.21] } { Inaccuracy. Na5 was best. } { [%clk 0:54:36] } (22. Na5 d5) 22... d5 { [%eval -0.08] [%clk 0:44:26] } 23. Bf4 { [%eval -0.43] [%clk 0:54:24] } 23... e5?! { [%eval 0.58] } { Inaccuracy. Qb6 was best. } { [%clk 0:36:45] } (23... Qb6) 24. Nf5 { [%eval 0.12] [%clk 0:51:58] } 24... Bf8 { [%eval 0.2] [%clk 0:35:39] } 25. Bg5 { [%eval -0.19] [%clk 0:34:13] } 25... dxe4 { [%eval 0.28] [%clk 0:32:48] } 26. Bxf6 { [%eval 0.0] [%clk 0:34:36] } 26... Qb6+ { [%eval 0.21] [%clk 0:28:06] } 27. Qe3?! { [%eval -0.54] } { Inaccuracy. Ne3 was best. } { [%clk 0:33:45] } (27. Ne3 gxf6 28. Qf2 c3 29. Ng4 Qxf2+ 30. Kxf2 f5 31. Nxe5 a5 32. Rd4 Bb7 33. Rc4 Rxc4) 27... Qxf6 { [%eval -0.56] [%clk 0:28:30] } 28. fxe4 { [%eval -0.43] [%clk 0:32:51] } 28... a5 { [%eval 0.0] [%clk 0:24:33] } 29. Qh3 { [%eval 0.12] [%clk 0:28:04] } 29... Qe6?! { [%eval 0.93] } { Inaccuracy. Qc6 was best. } { [%clk 0:20:39] } (29... Qc6 30. Rd7) 30. Nd6 { [%eval 1.19] [%clk 0:27:20] } 30... Qxh3 { [%eval 1.11] [%clk 0:13:14] } 31. gxh3 { [%eval 1.07] [%clk 0:27:44] } 31... Bxd6 { [%eval 0.82] [%clk 0:11:45] } 32. Rxd6 { [%eval 0.86] [%clk 0:28:08] } 32... g6?? { [%eval 4.32] } { Blunder. Kf8 was best. } { [%clk 0:12:12] } (32... Kf8 33. b5) 33. Rcd1 { [%eval 4.57] [%clk 0:27:40] } 33... Rf8 { [%eval 4.95] [%clk 0:05:49] } 34. Rd8 { [%eval 4.13] [%clk 0:22:36] } 34... Bxe4 { [%eval 5.11] [%clk 0:06:07] } 35. bxa5 { [%eval 5.02] [%clk 0:18:58] } 35... Bb7 { [%eval 5.18] [%clk 0:06:17] } 36. Rxf8+ { [%eval 5.31] [%clk 0:17:04] } 36... Kxf8 { [%eval 5.33] [%clk 0:06:43] } 37. Rd7 { [%eval 5.39] [%clk 0:17:29] } 37... Ba6 { [%eval 5.16] [%clk 0:06:25] } 38. Rd6 { [%eval 4.81] [%clk 0:17:01] } 1-0