Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation (D79)

The Ultra-Delayed Exchange Variation is a variation of the Neo-Grünfeld Defense, catalogued as ECO D79. The line runs 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. cxd5 cxd5, reaching the position shown below after 14 half-moves.

Both sides have pawns in the centre (White on d4, Black on d5). Development is level at two minor pieces each. It is White to move after seven moves. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank; the c-file file is fully open.

On the Neo-Grünfeld Defense generally: ECO D70. A chess opening with 13 known variations.

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.

Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation — position after cxd5 h1g2f3e4d5c6b7a8
Position after 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. cxd5 cxd5

Move order

#WhiteBlack
1d4Nf6
2c4g6
3Nf3Bg7
4g3O-O
5Bg2c6
6O-Od5
7cxd5cxd5

ECO: D79

Stockfish: +0.20 at depth 18

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Position characteristics

Related Neo-Grünfeld Defense lines

Frequently asked questions

What are the moves of the Ultra-Delayed Exchange Variation?

The Ultra-Delayed Exchange Variation goes 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. cxd5 cxd5. It is a variation of the Neo-Grünfeld Defense and is catalogued as ECO D79.

What is the ECO code for the Ultra-Delayed Exchange Variation?

The Ultra-Delayed Exchange Variation is ECO D79. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Neo-Grünfeld Defense.

Is the Ultra-Delayed Exchange Variation good for Black?

Stockfish evaluates the position after 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. cxd5 cxd5 at +0.20 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.

What kind of position does the Ultra-Delayed Exchange Variation lead to?

Both sides have pawns in the centre (White on d4, Black on d5). Development is level at two minor pieces each. It is White to move. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank; the c-file file is fully open.