ECO C64 · Ruy Lopez

Ruy Lopez: Classical Variation, Charousek Variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6

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

5. d4+0.64

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Ruy Lopez: Classical Variation, Charousek Variation (C64), reached after 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6, Stockfish 18 recommends 5. d4 for White. White is slightly better (+0.64).

Top engine moves

  1. +0.645. d4 Nf6 6. a4 a6 7. Bxc6 dxc6 8. Nxe5 c5 9. dxc5 Qxd1+
  2. +0.465. O-O Nf6 6. Re1 O-O 7. d4 d6 8. a4 a5 9. Na3 exd4
  3. +0.185. a4 Nge7 6. d4 exd4 7. cxd4 a6 8. Bxc6 dxc6 9. a5 Ba7

Frequently asked questions

What is the best move in the Ruy Lopez: Classical Variation, Charousek Variation?
After 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6, Stockfish 18 at depth 18 recommends 5. d4 for White, continuing Nf6 6. a4 a6 7. Bxc6 dxc6 8. Nxe5 c5 9. dxc5 Qxd1+. White is slightly better (+0.64). The next best moves are 5. O-O (+0.46) and 5. a4 (+0.18).
Is the Ruy Lopez: Classical Variation, Charousek Variation a good opening?
Stockfish rates the position at +0.64: white is slightly 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 Ruy Lopez: Classical Variation, Charousek Variation?
C64. 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+).