ECO A10 · English Opening

English Opening: Jaenisch Gambit

1. c4 b5

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

2. cxb5+0.81

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the English Opening: Jaenisch Gambit (A10), reached after 1. c4 b5, Stockfish 18 recommends 2. cxb5 for White. White is clearly better (+0.81).

Top engine moves

  1. +0.812. cxb5 a6 3. e3 axb5 4. Bxb5 e5 5. Nf3 e4 6. Nd4 Nf6
  2. +0.392. Nf3 bxc4 3. e4 Ba6 4. Qa4 Nf6 5. Bxc4 Bxc4 6. Qxc4 e6
  3. +0.312. d4 bxc4 3. e4 Ba6 4. Nc3 e6 5. Qa4 Nf6 6. Bxc4 Bxc4

Frequently asked questions

What is the best move in the English Opening: Jaenisch Gambit?
After 1. c4 b5, Stockfish 18 at depth 18 recommends 2. cxb5 for White, continuing a6 3. e3 axb5 4. Bxb5 e5 5. Nf3 e4 6. Nd4 Nf6. White is clearly better (+0.81). The next best moves are 2. Nf3 (+0.39) and 2. d4 (+0.31).
Is the English Opening: Jaenisch Gambit a good opening?
Stockfish rates the position at +0.81: white is clearly 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: Jaenisch Gambit?
A10. 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+).