Chess puzzle (Advantage)
Moves: 1. g3 Nf6 2. c4 g6 3. d4 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2 e5 8. O-O
exd4 9. e5 c5 10. Nd2 O-O 11. f4 Nc6 12. Ne4 c4 13. b3 d3 14. N2c3 Bf5 15. Nd6
Qd7 16. Be3 Bg4 17. Qd2 cxb3 18. axb3 Nc8 19. Bc5 Rd8 20. Qxd3 Nxd6 21. exd6 b6
22. Ba3 Rac8 23. Nd5 Bxa1 *
Position (FEN): 2rr2k1/p2q1p1p/1pnP2p1/3N4/5Pb1/BP1Q2P1/6BP/b4RK1 w - - 0 24
White to move.
Themes:  Middlegame  
Puzzle rating: 1700
Best move: Rxa1