Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Black_Mustang_Defense
Moves: 1. Nf3 Nc6 2. g3 e5 3. Bg2 d5 4. O-O e4 5. Ne1 Be6 6. d3 f5 7. dxe4 fxe4 8. f3
Qd7 9. fxe4 O-O-O 10. Nc3 Bc5+ 11. e3 Bh3 12. Nxd5 Bxg2 13. Nxg2 Nf6 14. Qf3
Rhf8 15. Nxf6 Rxf6 16. Qe2 Rdf8 17. Bd2 Ne5 18. Bc3 Nf3+ 19. Rxf3 *
Position (FEN): 2k2r2/pppq2pp/5r2/2b5/4P3/2B1PRP1/PPP1Q1NP/R5K1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1075
Best move: Rxf3