Welcome to the Grunfeld Course where it'll help you to face against 1.d4. There are many possible options to play against 1.d4 but Grunfeld is the one that you can go with and the reason for that most often times it's structure based opening but not like memory based where you've to learn dozens of variations before playing it. The main structure of black Nf6, g6, d6 Bg7 and 0-0 that's most of the scenario what it looks like for Black. And now let's start!