Chess puzzle (Checkmate)
Opening: Saragossa_Opening, Saragossa_Opening_Other_variations
Moves: 1. c3 b6 2. d4 Bb7 3. Qc2 e6 4. e4 b5 5. Bd3 a6 6. f4 Nf6 7. Nf3 c5 8. Qe2 cxd4
9. cxd4 Bb4+ 10. Nc3 Bxc3+ 11. bxc3 O-O 12. h3 Qa5 13. Bd2 Qc7 14. g4 h6 15. e5
Nd5 16. Qe4 Nxc3 *
Position (FEN): rn3rk1/1bqp1pp1/p3p2p/1p2P3/3PQPP1/2nB1N1P/P2B4/R3K2R w KQ - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 803
Best move: Qh7#