Event: 16th Annual Philadelphia International
Date: 2023-06-28
White: Zaven Andriasian
WhiteTitle: GM
Black: Hans Niemann
BlackTitle: GM
Result: 1-0
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard
TimeControl: 40/80,SD/30;d30

1. e4 { [%eval 0.36] [%clk 1:20:00] } 1... c5 { [%eval 0.32] [%clk 1:07:59] } 2. Nf3 { [%eval 0.0] [%clk 1:20:00] } 2... Nc6 { [%eval 0.0] [%clk 1:07:59] } 3. Bb5 { [%eval 0.37] [%clk 1:20:00] } 3... g6 { [%eval 0.59] [%clk 1:07:59] } 4. Bxc6 { [%eval 0.62] [%clk 1:19:42] } 4... bxc6 { [%eval 0.47] [%clk 1:07:59] } 5. O-O { [%eval 0.61] [%clk 1:19:06] } 5... Bg7 { [%eval 0.45] [%clk 1:07:59] } 6. Re1 { [%eval 0.28] [%clk 1:19:06] } 6... Qc7 { [%eval 0.53] [%clk 1:07:59] } 7. c3 { [%eval 0.46] [%clk 1:18:13] } 7... d6 { [%eval 0.59] [%clk 1:07:59] } 8. h3 { [%eval 0.34] [%clk 1:18:13] } 8... Nf6 { [%eval 0.41] [%clk 1:07:59] } 9. d4 { [%eval 0.41] [%clk 1:18:13] } 9... cxd4 { [%eval 0.36] [%clk 1:07:59] } 10. cxd4 { [%eval 0.28] [%clk 1:18:13] } 10... O-O { [%eval 0.31] [%clk 1:07:59] } 11. Nc3 { [%eval 0.3] [%clk 1:18:13] } 11... c5 { [%eval 0.26] [%clk 1:04:00] } 12. d5 { [%eval 0.22] [%clk 1:09:58] } 12... Rb8 { [%eval 0.22] [%clk 0:57:07] } 13. Qc2 { [%eval 0.16] [%clk 1:08:12] } 13... Nd7 { [%eval 0.19] [%clk 0:55:44] } 14. Bf4 { [%eval 0.0] [%clk 1:08:12] } 14... Ba6 { [%eval -0.06] [%clk 0:54:55] } 15. Rad1 { [%eval -0.23] [%clk 1:04:16] } 15... Rb4 { [%eval -0.31] [%clk 0:37:59] } 16. Qc1 { [%eval -0.38] [%clk 0:50:37] } 16... Rfb8 { [%eval 0.15] [%clk 0:29:06] } 17. e5 { [%eval 0.21] [%clk 0:47:15] } 17... Rxb2 { [%eval 0.65] [%clk 0:03:49] } 18. exd6 { [%eval 0.8] [%clk 0:43:41] } 18... exd6 { [%eval 0.79] [%clk 0:03:49] } 19. Bh6?! { [%eval -0.26] } { Inaccuracy. Re7 was best. } { [%clk 0:43:41] } 19... Nf6 { [%eval 0.03] [%clk 0:03:31] } 20. Qg5?! { [%eval -0.93] } { Inaccuracy. Bxg7 was best. } { [%clk 0:43:41] } 20... Rc2 { [%eval -0.46] [%clk 0:00:57] } 21. Nh4 { [%eval -0.56] [%clk 0:30:54] } 21... Bxh6 { [%eval -0.46] [%clk 0:00:57] } 22. Qxh6 { [%eval -0.51] [%clk 0:30:54] } 22... Qd8 { [%eval -0.26] [%clk 0:00:36] } 23. Re3 { [%eval -0.41] [%clk 0:27:09] } 23... Bc8 { [%eval 0.0] [%clk 0:00:35] } 24. Rde1 { [%eval -0.25] [%clk 0:26:13] } 24... Bd7 { [%eval -0.32] [%clk 0:00:35] } 25. Rf3 { [%eval -0.53] [%clk 0:25:35] } 25... Rcb2?? { [%eval 5.03] } { Blunder. Qf8 was best. } { [%clk 0:00:07] } 26. Ne4 { [%eval 5.37] [%clk 0:25:15] } 26... Nxe4?? { [%eval #7] } { Checkmate is now unavoidable. Rb1 was best. } { [%clk 0:00:03] } 27. Rxf7 { [%eval #6] [%clk 0:25:15] } 27... Kxf7 { [%eval #6] [%clk 0:00:03] } 28. Qxh7+ { [%eval #5] [%clk 0:25:15] } 28... Kf6 { [%eval #5] [%clk 0:00:03] } 29. Qxg6+ { [%eval #4] [%clk 0:25:15] } 1-0