Ruy Lopez - closed Berlin defence - Wolf variation
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 exd4
White pushes the king's pawn to e4. Black moves the king's pawn to e5. White develops the knight to f3.
Black develops the knight to c6. White develops the light-squared bishop to b5. Black jumps the knight to f6.
White castles kingside. Black moves the queen's pawn to d6. White plays the queen's pawn to d4.
Black develops the light-squared bishop to d7. White jumps the knight to c3. Black captures on d4 with the king's pawn.