ECO A13 · English Opening

English Opening: Agincourt Defense, Kurajica Defense

1. c4 e6 2. Nf3 d5 3. g3 c6

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

4. Bg2+0.34

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the English Opening: Agincourt Defense, Kurajica Defense (A13), reached after 1. c4 e6 2. Nf3 d5 3. g3 c6, Stockfish 18 recommends 4. Bg2 for White. White is slightly better (+0.34).

Top engine moves

  1. +0.344. Bg2 dxc4 5. O-O Nf6 6. a4 Nbd7 7. Qc2 e5 8. Qxc4 Bd6
  2. +0.334. b3 d4 5. Bb2 c5 6. b4 Nd7 7. bxc5 e5 8. Bg2 Bxc5
  3. +0.244. d4 dxc4 5. Bg2 b5 6. Ne5 Bb7 7. a4 a6 8. O-O Nf6

Frequently asked questions

What is the best move in the English Opening: Agincourt Defense, Kurajica Defense?
After 1. c4 e6 2. Nf3 d5 3. g3 c6, Stockfish 18 at depth 18 recommends 4. Bg2 for White, continuing dxc4 5. O-O Nf6 6. a4 Nbd7 7. Qc2 e5 8. Qxc4 Bd6. White is slightly better (+0.34). The next best moves are 4. b3 (+0.33) and 4. d4 (+0.24).
Is the English Opening: Agincourt Defense, Kurajica Defense 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 English Opening: Agincourt Defense, Kurajica Defense?
A13. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

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