Classical 6.Be2 is variation 3 of 4 in the Sicilian Dragon course, a advanced opening course for Black (ECO B74). It runs 26 moves and begins 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 …. White develops quietly with Be2, O-O, Be3 and Nb3, then plays f4-f5. Black plays ...Be6, ...Na5 and ...Bc4 to trade off White's good bishop and gets comfortable play on the c-file. 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.
2... d6 – Controls e5.
3. d4 – Opens the centre.
3... cxd4 – Takes a centre pawn.
4. Nxd4 – Recaptures.
4... Nf6 – Hits e4.
5. Nc3 – Defends e4.
5... g6 – The Dragon fianchetto.
6. Be2 – A quiet setup: White castles short and plays in the centre rather than attacking.
6... Bg7 – Completes the fianchetto.
7. O-O – White castles.
7... O-O – Black castles.
8. Be3 – Develops and protects d4.
8... Nc6 – Develops and hits the d4 knight.
The lesson goes on for 10 more moves, each with its explanation.