ECO C77 · Ruy Lopez

Ruy Lopez: Morphy Defense, Anderssen Variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3

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

5… d6+0.25

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

Analyze this position

In the Ruy Lopez: Morphy Defense, Anderssen Variation (C77), reached after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3, Stockfish 18 recommends 5… d6 for Black. The position is roughly equal (+0.25).

Top engine moves

  1. +0.255… d6 6. c3 b5 7. Bc2 d5 8. exd5 Qxd5 9. a4 b4 10. Bb3
  2. +0.265… Bc5 6. O-O d6 7. c3 O-O 8. h3 h6 9. Nbd2 b5 10. Bc2
  3. +0.265… b5 6. Bb3 Bc5 7. O-O d6 8. c3 Ba7 9. Re1 O-O 10. h3

Frequently asked questions

What is the best move in the Ruy Lopez: Morphy Defense, Anderssen Variation?
After 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3, Stockfish 18 at depth 18 recommends 5… d6 for Black, continuing 6. c3 b5 7. Bc2 d5 8. exd5 Qxd5 9. a4 b4 10. Bb3. The position is roughly equal (+0.25). The next best moves are 5… Bc5 (+0.26) and 5… b5 (+0.26).
Is the Ruy Lopez: Morphy Defense, Anderssen Variation a good opening?
Stockfish rates the position at +0.25: 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 Ruy Lopez: Morphy Defense, Anderssen Variation?
C77. 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+).