Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Advance_Variation
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. Nf3 c5 6. Bb5+ Nc6 7. O-O Qc7 8. a3
Ne7 9. b4 cxb4 10. axb4 Ng6 11. Na2 Be7 12. Bg5 Bxg5 13. Nxg5 O-O 14. c3 a6 15.
Bd3 Bxd3 16. Qxd3 Rac8 17. h4 Nf4 *
Position (FEN): 2r2rk1/1pq2ppp/p1n1p3/3pP1N1/1P1P1n1P/2PQ4/N4PP1/R4RK1 w - - 1 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 461
Best move: Qxh7#