1...Nf6 2.g3: the ...Bg4 set-up is variation 6 of 6 in the Against the Réti and King's Indian Attack course, a intermediate opening course for Black (ECO A07). It runs 18 moves and begins 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4 …. Black meets the King's Indian Attack with ...d5, ...c6 and ...Bg4. The bishop develops outside the pawn chain before ...e6. When White pushes to e4, Black stays calm, castles and keeps the pin on the f3 knight. In the lesson every move is explained on a board and then drilled; it is free.
Move by move
1. Nf3 – White develops a knight.
1... Nf6 – Black develops a knight too and keeps an eye on e4.
2. g3 – White prepares to put the bishop on g2.
2... d5 – Black takes the centre. Now the game is a King's Indian Attack.
3. Bg2 – The bishop aims at the centre.
3... c6 – Black supports d5 and opens a path for the queen.
4. O-O – White castles.
4... Bg4 – The bishop develops outside the pawn chain and pins the f3 knight.
5. d3 – White prepares the e4 push.
5... Nbd7 – The knight develops and keeps an eye on e5.
6. Nbd2 – White adds a second piece behind the e4 push.
6... e6 – Black builds a solid chain. Now the f8 bishop can develop.
7. e4 – White pushes in the centre as planned.
7... Be7 – Black develops and gets ready to castle. The d5 pawn stays where it is for now.
8. h3 – White asks the bishop to decide.
8... Bh5 – The bishop keeps the pin on the f3 knight.
The lesson goes on for 2 more moves, each with its explanation.
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