Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 d6 6. Nc3 Nf6 7. Bg5 Be7 8. Qd2
Be6 9. O-O-O Nc6 10. Kb1 Rc8 11. Nd5 *
Position (FEN): 2rqk2r/pp2bppp/2npbn2/3Np1B1/4P3/5N2/PPPQ1PPP/1K1R1B1R b k - 11 11
Black to move.
Themes:  Opening  
Puzzle rating: 1681
Best move: Nxe4