ECO C20 · Portuguese Opening

Portuguese Opening

1. e4 e5 2. Bb5

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

2… c6−0.24

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

Analyze this position

In the Portuguese Opening (C20), reached after 1. e4 e5 2. Bb5, Stockfish 18 recommends 2… c6 for Black. The position is roughly equal (−0.24).

Top engine moves

  1. −0.242… c6 3. Be2 d5 4. Nf3 dxe4 5. Nxe5 Be6 6. d4 Nd7 7. Bf4
  2. −0.052… Nf6 3. d4 c6 4. dxe5 Nxe4 5. Bd3 Nc5 6. Nf3 d5 7. exd6
  3. +0.012… Bc5 3. Nf3 c6 4. Ba4 Nf6 5. O-O O-O 6. Nxe5 d6 7. Nf3

All Portuguese Opening variations (2)

Frequently asked questions

What is the best move in the Portuguese Opening?
After 1. e4 e5 2. Bb5, Stockfish 18 at depth 18 recommends 2… c6 for Black, continuing 3. Be2 d5 4. Nf3 dxe4 5. Nxe5 Be6 6. d4 Nd7 7. Bf4. The position is roughly equal (−0.24). The next best moves are 2… Nf6 (−0.05) and 2… Bc5 (+0.01).
Is the Portuguese Opening a good opening?
Stockfish rates the position at −0.24: 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 Portuguese Opening?
C20. 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+).