Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Nc2 Be6 13. a4 bxa4 14. Rxa4 a5
15. Be2 Bg5 16. O-O Ne7 17. b4 Bxd5 18. exd5 axb4 19. Nxb4 Qc7 20. c4 f5 21.
Qa1 Rxa4 22. Qxa4 f4 23. Nc6 Nf5 24. Ra1 e4 25. Qa7 Qxa7 26. Rxa7 e3 27. Rd7
Ra8 28. g3 *
Position (FEN): r5k1/3R2pp/2Np4/3P1nb1/2P2p2/4p1P1/4BP1P/6K1 b - - 0 28
Black to move.
Themes:  Endgame  
Puzzle rating: 1871
Best move: Ra2