Chess puzzle (Advantage)
Moves: 1. e4 d6 2. Nf3 e5 3. d3 Nc6 4. Nfd2 Nf6 5. f3 Be7 6. c3 O-O 7. d4 d5 8. dxe5
Nxe5 9. exd5 Nxd5 10. Be2 Bd7 11. O-O a6 12. c4 Nf4 13. Re1 Nxe2+ 14. Rxe2 Nxc4
15. Nxc4 Be6 16. Rd2 Bxc4 17. Rxd8 Raxd8 18. Nd2 Bd3 19. b3 b5 20. Bb2 a5 21.
f4 Bf6 22. Rb1 Bxb2 *
Position (FEN): 3r1rk1/2p2ppp/8/pp6/5P2/1P1b4/Pb1N2PP/1R1Q2K1 w - - 0 23
White to move.
Themes:  Middlegame  
Puzzle rating: 550
Best move: Rxb2