Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 e6 6. d4 cxd4 7. Nxd4 Nf6 8.
Be2 Bc5 9. Be3 O-O 10. O-O *
Position (FEN): rnbq1rk1/pp3ppp/4pn2/2b5/3N1P2/2N1B3/PPP1B1PP/R2Q1RK1 b - - 6 10
Black to move.
Themes:  Opening  
Puzzle rating: 1917
Best move: Nc6