Ponderchess / Openings
Rat Defense
Starts 1. e4 d6 2. f4. 11 named lines in the catalogue, ECO A41–C00.
Watch it in 3D
3D lesson · 8 steps · 40 seconds
The Rat Defense in 3D
Rat Defense: Fuller Gambit, move by move: e4 d6 f4 d5 exd5 Nf6
Preparing your opening…