French - Winawer - advance - Smyslov variation
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4
White pushes the king's pawn to e4. Black advances the king's pawn to e6. White moves the queen's pawn to d4.
Black moves the queen's pawn to d5. White develops the knight to c3. Black develops the dark-squared bishop to b4.
White pushes the king's pawn to e5. Black pushes the c-pawn to c5. White plays the a-pawn to a3.
Black captures with the dark-squared bishop on c3, giving check. White captures on c3 with the b-pawn. Black develops the knight to e7.
White pushes the a-pawn to a4.