Caro-Kann - Panov-Botvinnik - Gunderam attack
1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. c5
White pushes the king's pawn to e4. Black moves the c-pawn to c6. White moves the queen's pawn to d4.
Black moves the queen's pawn to d5. White captures on d5 with the king's pawn. Black captures on d5 with the c-pawn.
White moves the c-pawn to c4. Black develops the knight to f6. White plays the c-pawn to c5.