Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. c4 Nf6 4. Nc3 Nc6 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 e5 8.
Qd1 Be7 9. Bg5 O-O 10. Bd3 b6 11. Nd5 *
Position (FEN): r1bq1rk1/p3bppp/1p1p1n2/3Np1B1/2P1P3/3B4/PP3PPP/R2QK2R b KQ - 1 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1039
Best move: Nxd5