Key ideas
- The Vienna Gambit (3.f4) after 2...Nf6 leads to sharp, open play.
- Quieter lines with g3 and Bg2 lead to manoeuvring positions.
Plans for White
Prepare f4 to open the f-file, or play a slow kingside fianchetto.
Plans for Black
Counter in the centre with ...d5 at the right moment.

