Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Classical_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Nf3 dxe4 5. Ng5 Bb4 6. f3 exf3 7. Qxf3 Bxc3+ 8.
bxc3 O-O 9. Bd3 Nc6 10. O-O Ne7 11. Qh3 Ng6 12. Rxf6 Qxf6 *
Position (FEN): r1b2rk1/ppp2ppp/4pqn1/6N1/3P4/2PB3Q/P1P3PP/R1B3K1 w - - 0 13
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 564
Best move: Qxh7#