Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 c5 3. e3 Nf6 4. c3 Nc6 5. Bd3 e6 6. Nf3 Be7 7. h3 c4 8. Bc2 a6
9. Nbd2 b5 10. e4 dxe4 11. Nxe4 Bb7 12. Nc5 Bxc5 13. dxc5 O-O 14. O-O Re8 15.
Qe2 Nd5 16. Bd6 e5 17. Qe4 Na5 *
Position (FEN): r2qr1k1/1b3ppp/p2B4/npPnp3/2p1Q3/2P2N1P/PPB2PP1/R4RK1 w - - 2 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 568
Best move: Qxh7#