9.Nd5 Be7: Chelyabinsk main line is variation 2 of 6 in the Sicilian Sveshnikov course, a advanced opening course for Black (ECO B33). It runs 34 moves and begins 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 …. White puts the knight on d5 before taking on f6. Black takes back with the bishop, castles and puts the bishop on g5. After the a-pawns are traded, Black prepares the f5 break with ...Kh8. 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 to open the centre.
2... Nc6 – Black develops and watches d4.
3. d4 – White opens the centre.
3... cxd4 – Black takes and gets the half-open c-file.
4. Nxd4 – White takes back with the knight.
4... Nf6 – Black develops and attacks e4.
5. Nc3 – White defends e4.
5... e5 – The Sveshnikov. Black kicks the knight and takes space.
6. Ndb5 – The knight eyes the weak d6 square.
6... d6 – Black covers d6 at once.
7. Bg5 – White pins the f6 knight and fights for d5.
7... a6 – Black kicks the knight away.
8. Na3 – The knight goes back to a3.
8... b5 – Black takes space and keeps the knight out of c4.
The lesson goes on for 18 more moves, each with its explanation.
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