ECO C23 · Bishop's Opening

Bishop's Opening: Boi Variation

1. e4 e5 2. Bc4 Bc5

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

3. d3+0.20

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Bishop's Opening: Boi Variation (C23), reached after 1. e4 e5 2. Bc4 Bc5, Stockfish 18 recommends 3. d3 for White. The position is roughly equal (+0.20).

Top engine moves

  1. +0.203. d3 Nf6 4. Nf3 O-O 5. O-O d6 6. c3 Nc6 7. a4 a6
  2. +0.203. Nf3 Nc6 4. d3 Nf6 5. c3 O-O 6. b4 Be7 7. h3 d5
  3. +0.123. Nc3 Nf6 4. d3 c6 5. Nf3 d6 6. O-O O-O 7. a3 h6

Frequently asked questions

What is the best move in the Bishop's Opening: Boi Variation?
After 1. e4 e5 2. Bc4 Bc5, Stockfish 18 at depth 18 recommends 3. d3 for White, continuing Nf6 4. Nf3 O-O 5. O-O d6 6. c3 Nc6 7. a4 a6. The position is roughly equal (+0.20). The next best moves are 3. Nf3 (+0.20) and 3. Nc3 (+0.12).
Is the Bishop's Opening: Boi Variation a good opening?
Stockfish rates the position at +0.20: the position is roughly equal. 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: Boi 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+).