Anderssen's Opening · A00
Main line
1. a3
No pawn stands on d4, e4, d5 or e5 - this line is played with the centre squares empty.
The first move, explained
- 1. a3 A useful waiting move that keeps the structure flexible on the a-file. Theory calls this the Anderssen's Opening.
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Where this fits
This line is one of 2 in the Anderssen's Opening. If you want to know where your own games leave it, the guide on leaving theory explains how that is found.