French - MacCutcheon - advance variation
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5
White advances the king's pawn to e4. Black pushes the king's pawn to e6. White plays the queen's pawn to d4.
Black plays the queen's pawn to d5. White develops the knight to c3. Black develops the knight to f6.
White develops the dark-squared bishop to g5. Black develops the dark-squared bishop to b4. White plays the king's pawn to e5.