Queen's pawn game - Zukertort variation
1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Nbd2 c5 5. b3
White plays the queen's pawn to d4. Black plays the queen's pawn to d5. White develops the knight to f3.
Black develops the knight to f6. White moves the king's pawn to e3. Black moves the king's pawn to e6.
White transfers the knight to d2. Black plays the c-pawn to c5. White pushes the b-pawn to b3.