Austrian Attack: 5...O-O 6.Bd3 Na6 is variation 1 of 5 in the Pirc and Modern Defence course, a intermediate opening course for Black (ECO B09). It runs 20 moves and begins 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 …. White builds a big pawn centre with f4. Black castles, develops the knight to a6 to support ...c5, and after d5 plays on the queenside with ...Nc7, ...a6, ...Rb8 and ...b5. 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... d6 – The Pirc: Black prepares ...Nf6 without allowing e5 to gain time on it right away.
2. d4 – White builds the classical two-pawn centre.
2... Nf6 – Black develops and attacks e4.
3. Nc3 – White defends e4 with the knight.
3... g6 – Black prepares the fianchetto ...Bg7, which will press against d4.
4. f4 – The Austrian Attack: White builds a huge centre with three pawns and prepares e5.
4... Bg7 – Black completes the fianchetto and prepares to castle.
5. Nf3 – White develops and supports e5.
5... O-O – Black castles quickly, so that the king is safe before White's pawns advance.
6. Bd3 – White develops the bishop to a natural attacking diagonal.
6... Na6 – The knight supports ...c5 and can go to b4 or c7. On a6 it does not block the c-pawn.
7. O-O – White castles kingside.
7... c5 – The thematic break: Black challenges d4 now that the knight on a6 supports c5.
8. d5 – White gains space and closes the centre, keeping the f-pawn ready for f5.
8... Nc7 – The knight reroutes to c7, supporting ...b5 and ...e6, and covering e6 and b5.
The lesson goes on for 4 more moves, each with its explanation.
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