Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 a6 7. O-O e6 8. Bg5
Be7 9. Nxc6 bxc6 10. f4 Qb6+ 11. Kh1 h6 12. Bxf6 Bxf6 13. Qxd6 Be7 14. Qd1 Qxb2
15. Qd3 Qb6 16. Rab1 Qc7 17. Na4 O-O 18. Nb6 Rb8 19. Nxc8 Rbxc8 20. Bxa6 Rcd8
21. Qc3 Rb8 22. Bb5 Rxb5 *
Position (FEN): 5rk1/2q1bpp1/2p1p2p/1r6/4PP2/2Q5/P1P3PP/1R3R1K w - - 0 23
White to move.
Themes:  Middlegame  
Puzzle rating: 1007
Best move: Rxb5