Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. Nf3 Nc6 2. e4 e5 3. Bb5 Nf6 4. Bxc6 dxc6 5. Nxe5 Bd6 6. f4 *
Position (FEN): r1bqk2r/ppp2ppp/2pb1n2/4N3/4PP2/8/PPPP2PP/RNBQK2R b KQkq - 0 6
Black to move.
Themes:  Opening  
Puzzle rating: 1922
Best move: Bxe5