Gruenfeld - Flohr variation
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+
White pushes the queen's pawn to d4. Black develops the knight to f6. White pushes the c-pawn to c4.
Black moves the g-pawn to g6. White develops the knight to c3. Black advances the queen's pawn to d5.
White jumps the knight to f3. Black develops the dark-squared bishop to g7. White places the queen to a4, giving check.