Classical: Richter-Rauzer 6.Bg5 is variation 3 of 6 in the The Open Sicilian for White course, a advanced opening course for White (ECO B64). It runs 33 moves and begins 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 …. Against the Classical White pins the f6 knight, castles long and pushes the f-pawn. A pawn break in the centre wins the bishop pair. 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... Nc6 – The Classical. The knight develops and puts pressure on d4.
6. Bg5 – The Richter-Rauzer. The bishop eyes the f6 knight. White plans the queen on d2 and long castling.
6... e6 – Black covers d5 and opens a path for the f8 bishop.
7. Qd2 – The queen connects with the bishop and prepares long castling.
7... Be7 – Black prepares to castle short.
8. O-O-O – White castles long. The rook lands on the d-file at once.
8... O-O – Black castles short.
The lesson goes on for 17 more moves, each with its explanation.
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