Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 d6 3. Bc4 e6 4. Nc3 a6 5. a4 b6 6. Nf3 Nc6 7. d4 cxd4 8. Nxd4
Nxd4 9. Qxd4 Nf6 10. O-O *
Position (FEN): r1bqkb1r/5ppp/pp1ppn2/8/P1BQPP2/2N5/1PP3PP/R1B2RK1 b kq - 2 10
Black to move.
Themes:  Opening  
Puzzle rating: 1200
Best move: d5