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. Bg5 e5 7. Bxf6 Qxf6 8.
Nd5 Qd8 9. Nf3 Be6 10. Bc4 Be7 11. c3 O-O 12. O-O b5 13. Bb3 Nd7 14. Qd3 Rb8
15. Bc2 Nf6 16. b4 *
Position (FEN): 1r1q1rk1/4bppp/p2pbn2/1p1Np3/1P2P3/2PQ1N2/P1B2PPP/R4RK1 b - - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1474
Best move: Bxd5