Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Ne7 5. Nf3 g6 *
Position (FEN): rnbqkb1r/ppp1np1p/4p1p1/8/3PN3/5N2/PPP2PPP/R1BQKB1R w KQkq - 0 6
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1224
Best move: Nf6#