Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 O-O 8.
Bd2 Bxc3 9. Bxc3 d5 10. exd5 Nxd5 11. O-O Nxc3 12. bxc3 Qg5 13. Nd2 f5 14. Qe2
e4 15. Bc4+ Kh8 16. Rad1 Ne5 17. f4 exf3 18. Nxf3 Nxf3+ 19. Qxf3 Qf6 20. Rfe1
f4 21. Rd4 Rb8 *
Position (FEN): 1rb2r1k/pp4pp/5q2/8/2BR1p2/2P2Q2/P1P3PP/4R1K1 w - - 2 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1477
Best move: Rxf4