Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Nfg5+
Kg6 8. Qf3 dxe4 *
Position (FEN): r1bq1b1r/ppp3pp/2n3k1/4p1N1/4p3/5Q2/PPPP1PPP/R1B1K2R w KQ - 0 9
White to move.
Themes:  Opening  
Puzzle rating: 1878
Best move: Qf7+