About this opening
Sodium Attack: Celadon Variation is an opening in the Encyclopedia of Chess Openings,
classified under code A00. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 9 half-moves from the
starting position, with the move sequence 1. Na3 e5 2. d3 Bxa3 3. bxa3 d5 4. e3 c5 5. Rb1.
It belongs to the Sodium Attack family. Within that family this is a sub-variation (the Celadon Variation line).
The opening sequence in prose form: 1.Na3 e5, 2.d3 Bxa3, 3.bxa3 d5, 4.e3 c5, 5.Rb1. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.