Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Be7 5. h3 Nf6 6. Nf3 O-O 7. c3 c5 8. O-O
cxd4 9. cxd4 Nc6 10. Bg5 h6 11. Bh4 Ne4 12. Bxe7 Qxe7 13. Nc3 Nxc3 14. bxc3 Be6
15. Re1 Qd6 16. Rc1 Bd7 17. Bb1 Na5 18. Qd3 a6 *
Position (FEN): r4rk1/1p1b1pp1/p2q3p/n2p4/3P4/2PQ1N1P/P4PP1/1BR1R1K1 w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 625
Best move: Qh7#