Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. h3 O-O 6. d3 d6 7. O-O Be6 8. Bb3
h6 9. Bd2 a5 10. Nd5 b5 11. a4 b4 12. Be3 Bxe3 13. fxe3 Bxd5 14. exd5 Ne7 15.
e4 Qb8 16. Nh4 Qb6+ 17. Kh1 c6 18. dxc6 Nxc6 19. Qd2 Nd4 *
Position (FEN): r4rk1/5pp1/1q1p1n1p/p3p3/Pp1nP2N/1B1P3P/1PPQ2P1/R4R1K w - - 2 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1801
Best move: Rxf6