Chess puzzle (Checkmate)
Moves: 1. Nc3 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3+ Nge7 5. Nd5 g6 *
Position (FEN): r1bqkb1r/ppppnp1p/2n3p1/3N4/8/4Q3/PPP1PPPP/R1B1KBNR w KQkq - 0 6
White to move.
Themes:  Opening Mate in 1, Smothered Mate 
Puzzle rating: 1334
Best move: Nf6#