Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 a6 6. Nc3 h6 7. Be3 Bb4 8. Qd2
Nf6 9. f3 d5 10. a3 Bxc3 11. bxc3 d4 12. cxd4 exd4 13. Nxd4 Nxd4 14. Qxd4 O-O
15. Bc4 Bd7 16. O-O Bc6 17. Rfd1 Qe7 18. Qc5 Qe8 19. a4 Qc8 20. Qb4 b5 21. axb5
axb5 22. Rxa8 Qxa8 23. Bxb5 Rc8 24. Bxc6 Qxc6 25. Rd2 Qc7 26. Bd4 *
Position (FEN): 2r3k1/2q2pp1/5n1p/8/1Q1BP3/5P2/2PR2PP/6K1 b - - 3 26
Black to move.
Themes:  Endgame  
Puzzle rating: 1523
Best move: Rb8