Chess puzzle (Checkmate)
Opening: Owen_Defense, Owen_Defense_Other_variations
Moves: 1. e4 b6 2. a4 Bb7 3. d3 e6 4. Nf3 Bb4+ 5. c3 Be7 6. a5 Nf6 7. Be2 O-O 8. O-O
b5 9. h3 c6 10. Be3 a6 11. Nbd2 d5 12. e5 Nfd7 13. d4 Qc7 14. Bd3 c5 15. Bc2
cxd4 16. cxd4 Nc6 17. Nb3 Rac8 18. Qd3 Nb4 *
Position (FEN): 2r2rk1/1bqnbppp/p3p3/Pp1pP3/1n1P4/1N1QBN1P/1PB2PP1/R4RK1 w - - 5 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 870
Best move: Qxh7#