French - Winawer - fingerslip variation
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2
White advances the king's pawn to e4. Black moves the king's pawn to e6. White advances the queen's pawn to d4.
Black pushes the queen's pawn to d5. White develops the knight to c3. Black develops the dark-squared bishop to b4.
White develops the dark-squared bishop to d2.