Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_La_Bourdonnais_Variation
Moves: 1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Nh6 6. Bd3 Be7 7. O-O Qb6 8. Kh1
Bd7 9. Bc2 O-O 10. d4 cxd4 11. Nxd4 Rac8 12. Qd3 Nxd4 *
Position (FEN): 2r2rk1/pp1bbppp/1q2p2n/3pP3/3n1P2/2PQ4/PPB3PP/RNB2R1K w - - 0 13
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 629
Best move: Qxh7#