Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Bowdler_Attack
Moves: 1. e4 c5 2. Bc4 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Bd7 6. Be3 a6 7. O-O e5 8. Qf3
f6 9. Nf5 Nb4 10. Na3 b5 11. Bd5 Nxd5 12. exd5 Ne7 *
Position (FEN): r2qkb1r/3bn1pp/p2p1p2/1p1PpN2/8/N3BQ2/PPP2PPP/R4RK1 w kq - 1 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1524
Best move: Nxd6#