Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Normal_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c3 5. Nxc3 Bg4 6. Be2 e6 7. Qb3 b6 8. O-O
c6 9. h3 Bh5 10. Bd2 Nbd7 11. Rac1 Bd6 12. Qa4 b5 13. Qc2 Bb8 14. Ne4 Bxf3 15.
Bxf3 Qc7 16. Nxf6+ Nxf6 17. Bxc6+ Kf8 18. Bxa8 *
Position (FEN): Bb3k1r/p1q2ppp/4pn2/1p6/3P4/4P2P/PPQB1PP1/2R2RK1 b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 750
Best move: Qh2#