English Opening: Symmetrical Variation

An entry in the Encyclopedia of Chess Openings (ECO A30), reached after 2 half-moves: 1. c4 c5.

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2.Nc3 6 lines
2.Nf3 6 lines
2.d4 3 lines
- A31 Anti-Benoni Variation +2
2.e4 1 line
- A36 Botvinnik System
2.g3 1 line
- A36 Ultra-Symmetrical Variation

About this opening

English Opening: Symmetrical Variation is an opening in the Encyclopedia of Chess Openings, classified under code A30. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 2 half-moves from the starting position, with the move sequence 1. c4 c5.

It belongs to the English Opening family. Within that family this is a sub-variation (the Symmetrical Variation line).

The opening sequence in prose form: 1.c4 c5. From this position 5 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.