Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Be7 5. O-O O-O 6. a3 d6 7. Re1 Bg4 8. h3
Bh5 9. d3 Nd4 10. Be3 Nxf3+ 11. gxf3 Nd7 12. Kg2 Bh4 13. Ne2 Qf6 14. Ng3 Qg6
15. d4 Kh8 16. Be2 f5 17. exf5 Rxf5 18. Kh2 Bxg3+ 19. fxg3 Bxf3 *
Position (FEN): r6k/pppn2pp/3p2q1/4pr2/3P4/P3BbPP/1PP1B2K/R2QR3 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1060
Best move: Bxf3