Chess puzzle (Advantage)
Moves: 1. d4 d5 2. Bf4 Nc6 3. e3 Nf6 4. c4 dxc4 5. Bxc4 e6 6. Nf3 Bd6 7. Bxd6 cxd6 8.
O-O O-O 9. Nc3 a6 10. d5 b5 11. Bxb5 axb5 12. dxc6 b4 13. Nb5 Ba6 14. a4 Nd5
15. Re1 Bxb5 16. axb5 Rxa1 17. Qxa1 Qb6 18. Qa6 Qc7 19. Ra1 h6 20. Qb7 Rb8 21.
Qxc7 Nxc7 22. Ra5 Nxb5 23. Rxb5 *
Position (FEN): 1r4k1/5pp1/2Ppp2p/1R6/1p6/4PN2/1P3PPP/6K1 b - - 0 23
Black to move.
Themes: Hanging Piece Endgame  
Puzzle rating: 518
Best move: Rxb5