Philidor - Improved Hanham variation
1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7
White advances the king's pawn to e4. Black plays the king's pawn to e5. White develops the knight to f3.
Black pushes the queen's pawn to d6. White pushes the queen's pawn to d4. Black develops the knight to f6.
White jumps the knight to c3. Black jumps the knight to d7.