Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Nc6 8. Be3
Be6 9. Nd5 Nxe4 *
Position (FEN): r2qkb1r/1p3ppp/p1npb3/3Np3/4n3/1N2B3/PPP1BPPP/R2QK2R w KQkq - 0 10
White to move.
Themes:  Opening  
Puzzle rating: 1438
Best move: Bb6