Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 a6 6. Nf3 e6 7. O-O b5 8. Bb3
Bb7 9. Bf4 e5 10. Be3 Nc6 11. Nd5 Nge7 12. Bg5 f6 13. Bxf6 gxf6 *
Position (FEN): r2qkb1r/1b2n2p/p1np1p2/1p1Np3/4P3/1B3N2/PP3PPP/R2Q1RK1 w kq - 0 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 826
Best move: Nxf6#