Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Max_Lange_Defense
Moves: 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Nge2 Nge7 5. O-O Na5 6. Na4 Bxf2+ 7. Rxf2
Nxc4 8. d3 Nb6 9. Nac3 f5 10. exf5 d5 11. Ng3 O-O 12. f6 gxf6 13. Nh5 Kh8 14.
Bh6 Rg8 15. Qf3 Nf5 16. Bd2 Rg6 17. Raf1 Be6 18. Qh3 Qe7 *
Position (FEN): r6k/ppp1q2p/1n2bpr1/3ppn1N/8/2NP3Q/PPPB1RPP/5RK1 w - - 12 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1383
Best move: Rxf5