Yugoslav set-up: 7.f3 O-O 8.Qd2 d5 is variation 2 of 5 in the Accelerated Dragon course, a advanced opening course for Black (ECO B35). It runs 24 moves and begins 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 …. White sets up the Yugoslav Attack with f3 and Qd2. Without a pawn on d6, Black hits the centre with ...d5 in one move. After the trades Black gets open files and active pieces. In the lesson every move is explained on a board and then drilled; it is free.
Move by move
1. e4 – White takes the centre.
1... c5 – The Sicilian. Black fights for d4 from the side.
2. Nf3 – White develops and prepares d4.
2... Nc6 – Black develops and watches d4.
3. d4 – White opens the centre.
3... cxd4 – Black trades a side pawn for a centre pawn.
4. Nxd4 – The knight takes back.
4... g6 – The Accelerated Dragon. The bishop goes to g7 at once.
5. Nc3 – White develops and guards e4.
5... Bg7 – The Dragon bishop eyes the long diagonal.
6. Be3 – White develops and guards d4.
6... Nf6 – Black develops and hits e4.
7. f3 – White guards e4 and gets ready for Qd2 and long castling.
7... O-O – Black castles first.
8. Qd2 – White connects the queen and the e3 bishop.
8... d5 – The key move. The d-pawn goes to d5 in one step and hits e4.
The lesson goes on for 8 more moves, each with its explanation.