Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3
Nc6 9. Qd2 O-O 10. O-O-O b5 11. g4 b4 12. Nd5 Nxd5 13. exd5 Na5 14. Qxb4 Nxb3+
15. Qxb3 f5 16. h3 Bd7 17. Bd3 Rb8 18. Qa3 Qc7 19. Qxa6 Rfc8 20. Rd2 Ra8 21.
Qb6 Qxb6 22. Bxb6 Rcb8 23. Bf2 *
Position (FEN): rr4k1/3bb1pp/3p4/3Ppp2/6P1/3B1P1P/PPPR1B2/2K4R b - - 2 23
Black to move.
Themes:  Middlegame  
Puzzle rating: 1484
Best move: Rxa2