Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. a3 a6 6. c4 Qc7 7. Nc3 Nf6 8. Be2
Be7 9. O-O b6 10. f4 *
Position (FEN): r1b1k2r/2qpbppp/ppn1pn2/8/2PNPP2/P1N5/1P2B1PP/R1BQ1RK1 b kq - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1166
Best move: Nxd4