Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nf3 e6 6. Nc3 Bb4 7. a3 Bxc3+ 8.
bxc3 O-O 9. Bd3 h6 10. O-O Nc6 11. Bf4 Na5 12. Ne5 f6 13. Ng6 Re8 14. e5 f5 15.
Qh5 Nd5 16. Bxh6 gxh6 17. Qxh6 Qd7 18. Qh8+ Kf7 *
Position (FEN): r1b1r2Q/pppq1k2/4p1N1/n2nPp2/3P4/P1PB4/5PPP/R4RK1 w - - 3 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1132
Best move: Qh7#