Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Nc3 d6 6. h3 a6 7. a4 Bd7 8. d3 h6
9. Be3 Bb4 10. Nd5 Nxd5 11. Bxd5 O-O 12. c3 Ba5 13. b4 Bb6 14. a5 Bxe3 15. fxe3
Ne7 16. Bb3 Be6 17. c4 c5 18. b5 axb5 19. cxb5 Bxb3 20. Qxb3 Rxa5 21. Nh4 Nc8 *
Position (FEN): 2nq1rk1/1p3pp1/3p3p/rPp1p3/4P2N/1Q1PP2P/6P1/R4RK1 w - - 2 22
White to move.
Themes:  Middlegame  
Puzzle rating: 2138
Best move: Rxa5