Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. Nc3 Bg7 5. d3 e6 6. Bg5 f6 7. Be3 Nge7 8. Bxc5
O-O 9. Nb5 *
Position (FEN): r1bq1rk1/pp1pn1bp/2n1ppp1/1NB5/2B1P3/3P1N2/PPP2PPP/R2QK2R b KQ - 2 9
Black to move.
Themes:  Opening  
Puzzle rating: 2082
Best move: d5