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. O-O O-O 6. Nh4 d6 7. d3 Ng4 8. Nf5
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Position (FEN): r1bq1rk1/ppp2ppp/2np4/2b1pN2/2B1P1n1/2NP4/PPP2PPP/R1BQ1RK1 b - - 2 8
Black to move.
Themes:  Opening  
Puzzle rating: 1312
Best move: Bxf5