Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. h3 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nxc6 bxc6 7. Bc4 Nf6 8.
Nc3 Be7 9. O-O O-O 10. f4 a5 11. fxe5 dxe5 12. Qe2 Qc7 13. Bg5 Qb6+ 14. Kh1
Qxb2 15. Na4 Qb7 16. Bb3 h6 17. Bh4 Qc7 18. Rae1 Ba6 19. c4 Bb4 *
Position (FEN): r4rk1/2q2pp1/b1p2n1p/p3p3/NbP1P2B/1B5P/P3Q1P1/4RR1K w - - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1420
Best move: Bxf6