Nimzo-Indian - three knights - Euwe variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4
White pushes the queen's pawn to d4. Black develops the knight to f6. White advances the c-pawn to c4.
Black advances the king's pawn to e6. White develops the knight to c3. Black develops the dark-squared bishop to b4.
White moves the knight to f3. Black advances the c-pawn to c5. White moves the queen's pawn to d5.
Black jumps the knight to e4.