Austrian Attack: 5...c5 is variation 2 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 …. Black strikes at d4 at once. After 6.dxc5 Qa5 the queen pins the c3 knight and regains the pawn on c5. Black develops with ...O-O and ...Bg4 and fights for the dark squares. 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.
2. d4 – White builds the centre.
2... Nf6 – Black develops and attacks e4.
3. Nc3 – White defends e4.
3... g6 – Black prepares ...Bg7.
4. f4 – The Austrian Attack.
4... Bg7 – Black completes the fianchetto.
5. Nf3 – White develops and supports e5.
5... c5 – Black hits the centre immediately, before White can play e5 or Bd3 and O-O.
6. dxc5 – White accepts the pawn and opens the d-file.
6... Qa5 – The queen pins the c3 knight and will win back the c5 pawn.
7. Bd3 – White defends e4 with the bishop, since the c3 knight is pinned.
7... Qxc5 – Black regains the pawn. The queen on c5 also stops White from castling easily (it eyes g1).
8. Qe2 – White defends e4 again and prepares Be3 with tempo on the queen.
8... O-O – Black castles to safety.
The lesson goes on for 4 more moves, each with its explanation.