The Symmetrical Variation is a variation of the English Opening, catalogued as ECO A34. The line runs 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 cxd4, reaching the position shown below after 10 half-moves.
Black holds the centre with pawns on d4 and d5, and one pawn capture is available, so the structure has not settled yet. Development is level at two minor pieces each, and Black is up a pawn of material. It is White to move after five moves. Black has doubled pawns on the d-file.
On the English Opening generally: A flexible opening where White controls the center with c4. Can transpose into many different systems.
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The Symmetrical Variation goes 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 cxd4. It is a variation of the English Opening and is catalogued as ECO A34.
The Symmetrical Variation is ECO A34. ECO codes group openings by their move order, so nearby codes cover closely related lines of the English Opening.
Stockfish evaluates the position after 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 cxd4 at +0.33 at depth 18, which is a slight pull for White, within normal opening margins. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
Black holds the centre with pawns on d4 and d5, and one pawn capture is available, so the structure has not settled yet. Development is level at two minor pieces each, and Black is up a pawn of material. It is White to move. Black has doubled pawns on the d-file.