Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Scandinavian_Variation
Moves: 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nb6 5. Bb3 a5 6. Qh5 g6 7. Qb5+ Bd7 8.
Qe5 Rg8 9. Ne4 Nc6 *
Position (FEN): r2qkbr1/1ppbpp1p/1nn3p1/p3Q3/4N3/1B6/PPPP1PPP/R1B1K1NR w KQq - 6 10
White to move.
Themes: Pin Opening Mate in 1, Smothered Mate 
Puzzle rating: 1188
Best move: Nf6#