ECO D85 · Grünfeld Defense

Grünfeld Defense: Exchange Variation, Nadanian Attack

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4

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Black to move. The arrow shows Stockfish’s best move.
Best move

5… e5+0.17

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Grünfeld Defense: Exchange Variation, Nadanian Attack (D85), reached after 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4, Stockfish 18 recommends 5… e5 for Black. The position is roughly equal (+0.17).

Top engine moves

  1. +0.175… e5 6. dxe5 Nc6 7. a3 Nxe5 8. e4 Nb6 9. Qxd8+ Kxd8 10. Nc3
  2. +0.265… Nb6 6. Nf3 Bg7 7. e4 O-O 8. Be2 Bg4 9. Be3 Nxa4 10. Qxa4
  3. +0.275… Bg7 6. e4 Nb6 7. Nf3 O-O 8. Be2 Bg4 9. Be3 Nxa4 10. Qxa4

Frequently asked questions

What is the best move in the Grünfeld Defense: Exchange Variation, Nadanian Attack?
After 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4, Stockfish 18 at depth 18 recommends 5… e5 for Black, continuing 6. dxe5 Nc6 7. a3 Nxe5 8. e4 Nb6 9. Qxd8+ Kxd8 10. Nc3. The position is roughly equal (+0.17). The next best moves are 5… Nb6 (+0.26) and 5… Bg7 (+0.27).
Is the Grünfeld Defense: Exchange Variation, Nadanian Attack a good opening?
Stockfish rates the position at +0.17: the position is roughly equal. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Grünfeld Defense: Exchange Variation, Nadanian Attack?
D85. ECO codes classify chess openings from A00 to E99; D is the volume for closed and semi-closed games.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).