Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Classical_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Qb6 *
Position (FEN): r1b1kb1r/pp2pppp/1qnp1n2/8/3NP3/2N1B3/PPP2PPP/R2QKB1R w KQkq - 5 7
White to move.
Themes:  Opening  
Puzzle rating: 1242
Best move: Nxc6