Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. Nf3 Bc5 5. h3 O-O 6. d3 d5 7. Nxd5 Na5 8. Bg5
Be7 9. Nxe5 Nxc4 10. Nxf6+ *
Position (FEN): r1bq1rk1/ppp1bppp/5N2/4N1B1/2n1P3/3P3P/PPP2PP1/R2QK2R b KQ - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1844
Best move: gxf6