Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Italian_Variation
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nf3 c6 4. d4 d5 5. dxe5 Nxe4 6. Bd3 Bf5 7. Bxe4 Bxe4 8.
Nc3 Nd7 9. Bg5 *
Position (FEN): r2qkb1r/pp1n1ppp/2p5/3pP1B1/4b3/2N2N2/PPP2PPP/R2QK2R b KQkq - 3 9
Black to move.
Themes:  Opening  
Puzzle rating: 1309
Best move: Bxf3