The Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line is a variation of the Réti Opening, catalogued as ECO A14. The line runs 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2, reaching the position shown below after 13 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 three minor pieces each. It is Black to move after seven moves. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank.
On the Réti Opening generally: ECO A09. A chess opening with 32 known variations.
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The Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line goes 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2. It is a variation of the Réti Opening and is catalogued as ECO A14.
The Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line is ECO A14. 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 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 at +0.37 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 three minor pieces each. It is Black to move. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank.