6.Be2 classical is variation 3 of 5 in the Sicilian Najdorf course, a advanced opening course for Black (ECO B92). It runs 24 moves and begins 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 …. White develops calmly with Be2, O-O and Be3 and plays for control of d5. Black takes space with ...e5, develops with ...Be7, ...Be6 and ...Nbd7, and later aims at ...b5 or ...d5. In the lesson every move is explained on a board and then drilled; it is free.
Move by move
1. e4 – Takes the centre.
1... c5 – The Sicilian.
2. Nf3 – Develops and prepares d4.
2... d6 – Controls e5 and opens the bishop's diagonal.
3. d4 – Opens the centre.
3... cxd4 – Wins a centre pawn for a wing pawn.
4. Nxd4 – Recaptures.
4... Nf6 – Develops with an attack on e4.
5. Nc3 – Defends e4.
5... a6 – The Najdorf: covers b5.
6. Be2 – A quiet but solid development; White plans to castle short and fight for d5.
6... e5 – Kicks the knight from d4 and claims central space; against a slow setup this is Black's most natural plan.
7. Nb3 – The knight retreats where it doesn't block anything and keeps an eye on d4 and a5.
7... Be7 – Develops the bishop and prepares to castle.
8. O-O – White castles.
8... O-O – Black castles, and both sides finish development.
The lesson goes on for 8 more moves, each with its explanation.