Chess opening · ECO A00
Anderssen's Opening
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1. a3
Anderssen's Opening is catalogued under ECO code A00. It is reached after 1 move (1 half-move): 1. a3. After the last move it is Black to play. White opens with a less common first move. It is the defining line of the Anderssen's Opening family, which has 2 catalogued lines in total. 3 deeper lines continue from here, listed below.
Continues with
- Anderssen's Opening: Polish GambitA00
- Van Geet Opening: Battambang VariationA00
- Formation: Hippopotamus AttackA00