Australian Defense
ECO: A40Flank Openings1.d4 Na6
no master games reached this exact line · estimated data
How it's played
Start
1.
About the Australian Defense
The Australian Defense is catalogued under ECO code A40, in the Flank Openings section of the Encyclopaedia of Chess Openings.
It arises after 1.d4 Na6, with Black playing the move that gives the line its name.
This is the only named line of the Australian Defense in our opening book.