Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. d3 d6 3. Nc3 e5 4. h4 Nc6 5. Be3 g6 6. Qd2 Be6 7. Nf3 a6 8. Be2 b5
9. Nd5 Nge7 *
Position (FEN): r2qkb1r/4np1p/p1npb1p1/1ppNp3/4P2P/3PBN2/PPPQBPP1/R3K2R w KQkq - 2 10
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1090
Best move: Nf6#