Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Bxc6 Bxc6 6. dxe5 Bxe4 7. exd6 Bxd6
8. O-O Ne7 9. Qd4 *
Position (FEN): r2qk2r/ppp1nppp/3b4/8/3Qb3/5N2/PPP2PPP/RNB2RK1 b kq - 3 9
Black to move.
Themes:  Opening  
Puzzle rating: 1615
Best move: Bxf3