Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Bb5 Qb6 6. Nc3 a6 *
Position (FEN): r1b1kbnr/1p2pppp/pqnp4/1B6/3NP3/2N5/PPP2PPP/R1BQK2R w KQkq - 0 7
White to move.
Themes:  Opening  
Puzzle rating: 1889
Best move: Nd5