ECO D70 · Neo-Grünfeld Defense

Neo-Grünfeld Defense: with g3

1. d4 Nf6 2. c4 g6 3. g3 d5

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

4. cxd5+0.34

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Neo-Grünfeld Defense: with g3 (D70), reached after 1. d4 Nf6 2. c4 g6 3. g3 d5, Stockfish 18 recommends 4. cxd5 for White. White is slightly better (+0.34).

Top engine moves

  1. +0.344. cxd5 Bg7 5. Qa4+ c6 6. dxc6 Nxc6 7. Bg2 Nd5 8. Nf3 Nb6
  2. +0.274. Bg2 c6 5. Nd2 Bg7 6. Ngf3 O-O 7. O-O a5 8. b3 Ne4
  3. +0.224. Nf3 dxc4 5. Bg2 c6 6. a4 Bg7 7. Na3 Be6 8. Ng5 Bd5

Other move orders

  • 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3
  • 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2

Frequently asked questions

What is the best move in the Neo-Grünfeld Defense: with g3?
After 1. d4 Nf6 2. c4 g6 3. g3 d5, Stockfish 18 at depth 18 recommends 4. cxd5 for White, continuing Bg7 5. Qa4+ c6 6. dxc6 Nxc6 7. Bg2 Nd5 8. Nf3 Nb6. White is slightly better (+0.34). The next best moves are 4. Bg2 (+0.27) and 4. Nf3 (+0.22).
Is the Neo-Grünfeld Defense: with g3 a good opening?
Stockfish rates the position at +0.34: white is slightly better. 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 Neo-Grünfeld Defense: with g3?
D70. 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+).