Chess puzzle (Advantage)
Moves: 1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. e5 Nc6 5. c3 e6 6. Bb5 Nge7 7. O-O a6 8. Bxc6
Nxc6 9. Na3 b5 10. d4 cxd4 11. Nxd4 Qb6 12. Be3 Nxd4 13. Bxd4 Qc6 14. Qf3 O-O
15. Qxc6 dxc6 16. Bc5 Rd8 17. Rad1 Rd5 18. Rxd5 cxd5 19. Bd4 Rb8 20. Nc2 a5 21.
a3 Ba6 22. Rb1 b4 23. axb4 axb4 24. Nxb4 Bh6 25. g3 g5 26. Rf1 *
Position (FEN): 1r4k1/5p1p/b3p2b/3pP1p1/1N1B1P2/2P3P1/1P5P/5RK1 b - - 1 26
Black to move.
Themes:  Endgame  
Puzzle rating: 657
Best move: Bxf1