The Exchange Variation, Modern Exchange Variation is a variation of the Grünfeld Defense, catalogued as ECO D85. The line runs 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3, reaching the position shown below after 13 half-moves.
White holds the centre with pawns on d4 and e4. Development is level at two minor pieces each. It is Black to move after seven moves. White’s a-file pawn is isolated.
On the Grünfeld Defense generally: A hypermodern defense where Black allows White a big center then undermines it with ...d5.
You can play through this variation move by move in your browser — Learn mode walks the line with an explanation at each step, and Drill mode replays it from memory so you find out whether you actually know it. No account is required.
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The Exchange Variation, Modern Exchange Variation goes 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3. It is a variation of the Grünfeld Defense and is catalogued as ECO D85.
The Exchange Variation, Modern Exchange Variation is ECO D85. 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. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 at +0.39 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.
White holds the centre with pawns on d4 and e4. Development is level at two minor pieces each. It is Black to move. White’s a-file pawn is isolated.