Event: Round 4: Alfredo Giaccio - Karen H. Grigoryan
Date: 2023-12-28
White: Alfredo Giaccio
WhiteTitle: GM
WhiteElo: 2342
Black: Karen H. Grigoryan
BlackTitle: GM
BlackElo: 2638
Result: 0-1
ECO: B56
Opening: Sicilian Defense: Classical Variation
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:30:54] } 1... c5 { [%eval 0.33] [%clk 1:30:45] } 2. Nf3 { [%eval 0.17] [%clk 1:31:00] } 2... Nc6 { [%eval 0.29] [%clk 1:30:35] } 3. d4 { [%eval 0.33] [%clk 1:30:42] } 3... cxd4 { [%eval 0.38] [%clk 1:30:57] } 4. Nxd4 { [%eval 0.29] [%clk 1:31:07] } 4... Nf6 { [%eval 0.36] [%clk 1:30:40] } 5. Nc3 { [%eval 0.32] [%clk 1:31:24] } 5... d6 { [%eval 0.47] [%clk 1:31:02] } 6. Nb3 { [%eval 0.0] [%clk 1:29:43] } 6... e6 { [%eval 0.37] [%clk 1:30:54] } 7. Be3 { [%eval 0.17] [%clk 1:25:41] } 7... Be7 { [%eval 0.24] [%clk 1:30:34] } 8. Qe2 { [%eval 0.4] [%clk 1:22:07] } 8... a6 { [%eval 0.35] [%clk 1:30:32] } 9. g4 { [%eval 0.46] [%clk 1:21:53] } 9... b5 { [%eval 0.45] [%clk 1:30:26] } 10. g5 { [%eval 0.2] [%clk 1:11:50] } 10... Nd7 { [%eval 0.24] [%clk 1:30:40] } 11. f4 { [%eval 0.15] [%clk 1:11:33] } 11... Bb7 { [%eval 0.4] [%clk 1:30:43] } 12. Bg2?! { [%eval -0.18] } { Inaccuracy. O-O-O was best. } { [%clk 0:57:38] } 12... Rc8 { [%eval 0.26] [%clk 1:22:56] } 13. O-O { [%eval -0.25] [%clk 0:53:45] } 13... Na5?! { [%eval 0.37] } { Inaccuracy. b4 was best. } { [%clk 1:18:04] } 14. Nxa5 { [%eval 0.47] [%clk 0:49:38] } 14... Qxa5 { [%eval 0.35] [%clk 1:18:20] } 15. a3 { [%eval 0.37] [%clk 0:48:32] } 15... g6 { [%eval 0.23] [%clk 1:15:56] } 16. f5 { [%eval 0.19] [%clk 0:43:29] } 16... Ne5 { [%eval 0.35] [%clk 1:11:26] } 17. fxe6 { [%eval 0.33] [%clk 0:41:40] } 17... fxe6 { [%eval 0.16] [%clk 1:11:50] } 18. Bh3 { [%eval 0.26] [%clk 0:36:02] } 18... b4? { [%eval 1.49] } { Mistake. Rxc3 was best. } { [%clk 1:11:22] } 19. axb4 { [%eval 1.61] [%clk 0:30:08] } 19... Qxb4 { [%eval 1.39] [%clk 1:11:45] } 20. Ra4?? { [%eval -2.32] } { Blunder. Ra3 was best. } { [%clk 0:19:56] } 20... Qxb2 { [%eval -2.38] [%clk 1:11:38] } 21. Rb1 { [%eval -2.75] [%clk 0:20:19] } 21... Qxc3 { [%eval -2.7] [%clk 1:11:59] } 22. Rxb7 { [%eval -3.02] [%clk 0:20:40] } 22... Bxg5 { [%eval -2.8] [%clk 1:09:38] } 23. Bxg5 { [%eval -2.66] [%clk 0:05:31] } 23... Nf3+ { [%eval -2.6] [%clk 1:09:59] } 24. Kh1 { [%eval -3.08] [%clk 0:05:54] } 24... Nxg5 { [%eval -2.92] [%clk 1:10:16] } 25. Bg2 { [%eval -2.89] [%clk 0:06:18] } 25... O-O { [%eval -2.92] [%clk 1:09:32] } 26. Rxa6 { [%eval -2.74] [%clk 0:06:03] } 26... Qxc2 { [%eval -2.93] [%clk 1:09:34] } 27. Qxc2 { [%eval -2.75] [%clk 0:05:48] } 27... Rc7?? { [%eval #9] } { Checkmate is now unavoidable. Rxc2 was best. } 28. Qc3?? { [%eval -1.31] } { Lost forced checkmate sequence. Qxc7 was best. } 28... Rxc3 { [%eval -1.57] [%clk 1:09:57] } 29. h4 { [%eval -1.42] [%clk 0:06:14] } 29... Rc2?? { [%eval 3.48] } { Blunder. Nf7 was best. } { [%clk 1:10:07] } 0-1