Caro-Kann - Panov-Botvinnik attack
1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3
White plays the king's pawn to e4. Black plays the c-pawn to c6. White pushes the queen's pawn to d4.
Black advances the queen's pawn to d5. White captures on d5 with the king's pawn. Black captures on d5 with the c-pawn.
White advances the c-pawn to c4. Black develops the knight to f6. White develops the knight to c3.