ECO C86 · Ruy Lopez

Ruy Lopez: Closed, Worrall Attack, Castling Line

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O

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

8. a4+0.08

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

Analyze this position

In the Ruy Lopez: Closed, Worrall Attack, Castling Line (C86), reached after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O, Stockfish 18 recommends 8. a4 for White. The position is roughly equal (+0.08).

Top engine moves

  1. +0.088. a4 b4 9. d3 d5 10. h3 a5 11. exd5 Nxd5 12. Qe4 Be6
  2. +0.048. d4 d5 9. dxe5 Nxe4 10. Rd1 Be6 11. c3 f5 12. Nd4 Nxd4
  3. +0.038. Re1 Bb7 9. d3 Re8 10. a4 d6 11. Bd2 h6 12. axb5 axb5

Other move orders

  • 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 O-O 8. c3 d5 9. d3

Frequently asked questions

What is the best move in the Ruy Lopez: Closed, Worrall Attack, Castling Line?
After 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O, Stockfish 18 at depth 18 recommends 8. a4 for White, continuing b4 9. d3 d5 10. h3 a5 11. exd5 Nxd5 12. Qe4 Be6. The position is roughly equal (+0.08). The next best moves are 8. d4 (+0.04) and 8. Re1 (+0.03).
Is the Ruy Lopez: Closed, Worrall Attack, Castling Line a good opening?
Stockfish rates the position at +0.08: 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: Closed, Worrall Attack, Castling Line?
C86. 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+).