Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8.
O-O Be6 9. Bc2 Bg4 10. h3 Bh5 11. Re1 e6 12. Na3 a6 13. Qe2 Be7 14. Nc4 Nxc4
15. Qxc4 Bxf3 16. gxf3 b5 17. Qe4 O-O *
Position (FEN): r4rk1/4bppp/p1nqp3/1pp5/4Q3/2P2P1P/PPBP1P2/R1B1R1K1 w - - 2 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 838
Best move: Qxh7#