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 Be6 8. O-O
Be7 9. f4 exf4 10. Bxf4 O-O 11. Nd5 Nxe4 12. Bf3 Bxd5 13. Qxd5 Qb6+ 14. Kh1
Nf2+ 15. Rxf2 Qxf2 16. Qxb7 Ra7 17. Qe4 Bf6 *
Position (FEN): 1n3rk1/r4ppp/p2p1b2/8/4QB2/1N3B2/PPP2qPP/R6K w - - 3 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1664
Best move: Be3