Chess puzzle (Checkmate)
Opening: Vienna_Game, Vienna_Game_Other_variations
Moves: 1. e4 e5 2. Nc3 Bb4 3. Nge2 Bxc3 4. Nxc3 a6 5. f4 f6 6. fxe5 fxe5 7. Qh5+ Kf8
8. Nd5 d6 9. Bc4 Nf6 10. O-O Nd7 11. Nxc7 Qxc7 *
Position (FEN): r1b2k1r/1pqn2pp/p2p1n2/4p2Q/2B1P3/8/PPPP2PP/R1B2RK1 w - - 0 12
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1137
Best move: Qf7#