The Anglo-Slav Variation, Gurevich System is a variation of the Réti Opening, catalogued as ECO A11. The line runs 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. b3 e5, reaching the position shown below after 10 half-moves.
Black holds the centre with pawns on d5 and e5, 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 five moves.
On the Réti Opening generally: ECO A09. A chess opening with 32 known variations.
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The Anglo-Slav Variation, Gurevich System goes 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. b3 e5. It is a variation of the Réti Opening and is catalogued as ECO A11.
The Anglo-Slav Variation, Gurevich System 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. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. b3 e5 at -0.45 at depth 18, which is a slight pull for Black, 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 e5, 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.