Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. Nc3 Nc6 5. d3 Bg4 6. Be3 Nf6 7. h3 Bd7 8. a3 a6
9. Nd5 Na5 10. Ba2 Nxd5 11. Bxd5 Bc6 12. Ba2 b6 13. b4 Nb7 14. c4 Be7 15. Bb3
Qd7 16. a4 Qd8 17. b5 axb5 18. cxb5 Bd7 19. Bd5 Ra7 20. Qb3 O-O 21. d4 Na5 22.
Qc2 Bf6 23. O-O Re8 24. Bc6 Nxc6 25. bxc6 Bc8 26. d5 Ba6 27. Rfe1 Qa8 28. Nh2
Bb5 29. axb5 *
Position (FEN): q3r1k1/r1p2pp1/1pPp1b1p/1P1Pp3/4P3/4B2P/2Q2PPN/R3R1K1 b - - 0 29
Black to move.
Themes:  Middlegame  
Puzzle rating: 515
Best move: Rxa1