Dragon: Yugoslav Attack 9.Bc4 is variation 2 of 6 in the The Open Sicilian for White course, a advanced opening course for White (ECO B78). It runs 29 moves and begins 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 …. Against the Dragon White guards e4 with the f-pawn, castles long and opens the h-file. The bishop on b3 keeps an eye on f7 and the king's side. 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 and frees the queen and the f1 bishop.
1... c5 – The Sicilian. Black fights for d4 from the side and keeps the game unbalanced.
2. Nf3 – The knight develops and prepares d4. This is the road to the Open Sicilian.
2... d6 – Black covers e5 and prepares to develop the king's knight.
3. d4 – The Open Sicilian. White opens the centre at once to use the lead in development.
3... cxd4 – Black takes. Black gives a wing pawn for a centre pawn and gets the half-open c-file.
4. Nxd4 – White takes back and gets a strong knight in the centre.
4... Nf6 – Black develops and attacks e4.
5. Nc3 – The simplest answer. The knight guards e4 and develops.
5... g6 – The Dragon. The bishop goes to g7 to work on the long diagonal.
6. Be3 – The bishop guards d4. White prepares the Yugoslav Attack.
6... Bg7 – Black puts the bishop on the long diagonal.
7. f3 – The Yugoslav Attack. The pawn guards e4 and keeps the knight away from g4.
7... O-O – Black castles.
8. Qd2 – The queen joins the e3 bishop. White plans to trade the dark bishops on h6.
8... Nc6 – Black develops and puts pressure on d4.
The lesson goes on for 13 more moves, each with its explanation.