The Lundin Variation is a variation of the Grünfeld Defense, catalogued as ECO D80. The line runs 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 c5, reaching the position shown below after 12 half-moves.
Both sides have pawns in the centre (White on d4, Black on e4), 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. Black has doubled pawns on the e-file.
On the Grünfeld Defense generally: A hypermodern defense where Black allows White a big center then undermines it with ...d5.
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The Lundin Variation goes 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 c5. It is a variation of the Grünfeld Defense and is catalogued as ECO D80.
The Lundin Variation is ECO D80. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Grünfeld Defense.
Stockfish evaluates the position after 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 c5 at +0.13 at depth 18, which is balanced. 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.
Both sides have pawns in the centre (White on d4, Black on e4), 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. Black has doubled pawns on the e-file.