Old Indian - Ukrainian variation - 4.Nf3
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3
White moves the queen's pawn to d4. Black develops the knight to f6. White moves the c-pawn to c4.
Black pushes the queen's pawn to d6. White develops the knight to c3. Black moves the king's pawn to e5.
White moves the knight to f3.