ECO E00 · Catalan Opening

Catalan Opening

1. d4 Nf6 2. c4 e6 3. g3

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

3… d5+0.31

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Catalan Opening (E00), reached after 1. d4 Nf6 2. c4 e6 3. g3, Stockfish 18 recommends 3… d5 for Black. White is slightly better (+0.31).

Top engine moves

  1. +0.313… d5 4. Nf3 Bb4+ 5. Bd2 a5 6. Qc2 c5 7. cxd5 exd5 8. dxc5
  2. +0.323… Bb4+ 4. Bd2 a5 5. Nf3 d5 6. Bg2 dxc4 7. O-O O-O 8. Qc2
  3. +0.443… Be7 4. Bg2 d5 5. Nf3 O-O 6. O-O c5 7. dxc5 Bxc5 8. cxd5

Other move orders

  • 1. d4 Nf6 2. c4 e6 3. g3 d5

All Catalan Opening variations (14)

Frequently asked questions

What is the best move in the Catalan Opening?
After 1. d4 Nf6 2. c4 e6 3. g3, Stockfish 18 at depth 18 recommends 3… d5 for Black, continuing 4. Nf3 Bb4+ 5. Bd2 a5 6. Qc2 c5 7. cxd5 exd5 8. dxc5. White is slightly better (+0.31). The next best moves are 3… Bb4+ (+0.32) and 3… Be7 (+0.44).
Is the Catalan Opening a good opening?
Stockfish rates the position at +0.31: 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 Catalan Opening?
E00. ECO codes classify chess openings from A00 to E99; E is the volume for indian defenses.

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