Chess puzzle (Checkmate)
Opening: Ponziani_Opening, Ponziani_Opening_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. c3 Bc5 4. d4 exd4 5. cxd4 Bb4+ 6. Nc3 Nf6 7. Bd3 O-O 8.
e5 Nd5 9. Qb3 Nxc3 10. bxc3 Be7 11. O-O d5 12. h3 Be6 13. Nh2 Na5 14. Qa4 c5
15. Ba3 b6 16. f4 c4 17. Bb1 Bd7 18. Qc2 Bxa3 *
Position (FEN): r2q1rk1/p2b1ppp/1p6/n2pP3/2pP1P2/b1P4P/P1Q3PN/RB3RK1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 800
Best move: Qxh7#