Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Exchange_Variation
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Bb5 Bf5 6. O-O e6 7. c3 Nf6 8. Bg5
Be7 9. Nbd2 O-O 10. Nh4 Be4 11. Nxe4 Nxe4 12. Bxe7 Qxe7 13. Nf3 Rac8 14. Nd2
Nxd2 15. Qxd2 a6 16. Ba4 b5 17. Bc2 Na5 18. Qd3 Nc4 *
Position (FEN): 2r2rk1/4qppp/p3p3/1p1p4/2nP4/2PQ4/PPB2PPP/R4RK1 w - - 4 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 417
Best move: Qxh7#