The Anglo-Slav Variation, with g3 is a variation of the Réti Opening, catalogued as ECO A11. The line runs 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e6, reaching the position shown below after 12 half-moves.
Black holds the centre with pawns on d5, and one pawn capture is available, so the structure has not settled yet. Development is level at two minor pieces each. It is White to move after six moves. White has castled while Black’s king is still uncommitted.
On the Réti Opening generally: ECO A09. A chess opening with 32 known variations.
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The Anglo-Slav Variation, with g3 goes 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e6. It is a variation of the Réti Opening and is catalogued as ECO A11.
The Anglo-Slav Variation, with g3 is ECO A11. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Réti Opening.
Stockfish evaluates the position after 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e6 at +0.44 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 d5, and one pawn capture is available, so the structure has not settled yet. Development is level at two minor pieces each. It is White to move. White has castled while Black’s king is still uncommitted.