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. f4 Qa5 7. Bd3 e5 8. Nb3
Qc7 9. f5 b5 10. O-O Bb7 11. Nd2 h5 12. Ne2 h4 13. c4 bxc4 14. Bxc4 Nxe4 15.
Nxe4 Bxe4 16. Qb3 Qc5+ *
Position (FEN): rn2kb1r/5pp1/p2p4/2q1pP2/2B1b2p/1Q6/PP2N1PP/R1B2RK1 w kq - 2 17
White to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1257
Best move: Be3