Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Wing_Gambit
Moves: 1. e4 c5 2. b4 cxb4 3. a3 bxa3 4. Bxa3 d6 5. Bc4 e6 6. Nf3 Nc6 7. d4 Nf6 8. Nc3
Qa5 9. Qd3 Nxe4 10. Bb2 Qb4 11. Bb3 a5 12. Qxe4 a4 13. Bxe6 Bxe6 14. O-O Qxb2
15. Nd5 Rc8 *
Position (FEN): 2r1kb1r/1p3ppp/2npb3/3N4/p2PQ3/5N2/1qP2PPP/R4RK1 w k - 2 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1849
Best move: Rfb1