Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Exchange_Variation
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 Bg4 6. c3 e6 7. h3 Bxf3 8.
Qxf3 Nf6 9. Bg5 Be7 10. Nd2 O-O 11. O-O Qb6 12. Bxc6 bxc6 13. Nb3 Qc7 14. Bxf6
Bxf6 15. Qe2 Qd6 16. Nc5 Bd8 17. b4 Bc7 18. a4 *
Position (FEN): r4rk1/p1b2ppp/2pqp3/2Np4/PP1P4/2P4P/4QPP1/R4RK1 b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 755
Best move: Qh2#