Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 c6 3. Bf4 Nd7 4. e3 e6 5. Nf3 Ngf6 6. Nc3 Bb4 7. Bd3 Bxc3+ 8.
bxc3 dxc4 9. Bxc4 b5 10. Bb3 Bb7 11. O-O a5 12. a4 b4 13. cxb4 axb4 14. Qd2 O-O
15. Qxb4 Ba6 16. Rfc1 Nh5 17. Bd6 Re8 18. Rxc6 Bd3 19. a5 Be4 20. Rc7 Bxf3 21.
gxf3 Qg5+ 22. Bg3 Nxg3 23. fxg3 Reb8 24. Qc3 Qd8 25. a6 *
Position (FEN): rr1q2k1/2Rn1ppp/P3p3/8/3P4/1BQ1PPP1/7P/R5K1 b - - 0 25
Black to move.
Themes:  Middlegame  
Puzzle rating: 1388
Best move: Rxb3