Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Knight_Variation
Moves: 1. e4 e6 2. Nf3 a6 3. d4 h6 4. Bc4 d5 5. exd5 exd5 6. Bd3 Be6 7. Bf4 Nf6 8. c3
Nc6 9. Nbd2 Bd6 10. Nb3 *
Position (FEN): r2qk2r/1pp2pp1/p1nbbn1p/3p4/3P1B2/1NPB1N2/PP3PPP/R2QK2R b KQkq - 4 10
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 888
Best move: Bxf4