Ruy Lopez - Schliemann defence - Berger variation
1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3
White moves the king's pawn to e4. Black pushes 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 advances the f-pawn to f5.
White jumps the knight to c3.