ECO C23 · Bishop's Opening

Bishop's Opening: Calabrese Countergambit, Jaenisch Variation

1. e4 e5 2. Bc4 f5 3. d3

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

3… Nf6+0.84

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Bishop's Opening: Calabrese Countergambit, Jaenisch Variation (C23), reached after 1. e4 e5 2. Bc4 f5 3. d3, Stockfish 18 recommends 3… Nf6 for Black. White is clearly better (+0.84).

Top engine moves

  1. +0.843… Nf6 4. Nf3 Bb4+ 5. c3 d5 6. exd5 Bd6 7. O-O O-O 8. Ng5
  2. +0.913… Nc6 4. Nf3 d6 5. Nc3 Be7 6. a4 f4 7. Nd5 Nf6 8. a5
  3. +0.923… d6 4. Nc3 Nc6 5. Nf3 Be7 6. a4 f4 7. a5 a6 8. Bd2

Frequently asked questions

What is the best move in the Bishop's Opening: Calabrese Countergambit, Jaenisch Variation?
After 1. e4 e5 2. Bc4 f5 3. d3, Stockfish 18 at depth 18 recommends 3… Nf6 for Black, continuing 4. Nf3 Bb4+ 5. c3 d5 6. exd5 Bd6 7. O-O O-O 8. Ng5. White is clearly better (+0.84). The next best moves are 3… Nc6 (+0.91) and 3… d6 (+0.92).
Is the Bishop's Opening: Calabrese Countergambit, Jaenisch Variation a good opening?
Stockfish rates the position at +0.84: 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 Bishop's Opening: Calabrese Countergambit, Jaenisch Variation?
C23. ECO codes classify chess openings from A00 to E99; C is the volume for open games and the French Defense.

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