ECO C89 · Ruy Lopez

Ruy Lopez: Marshall Attack, Steiner Variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4

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

10. dxc6+0.90

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Ruy Lopez: Marshall Attack, Steiner Variation (C89), reached after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4, Stockfish 18 recommends 10. dxc6 for White. White is clearly better (+0.90).

Top engine moves

  1. +0.9010. dxc6 exf3 11. d4 fxg2 12. Nd2 a5 13. Nf3 a4 14. Bc2 Re8
  2. +0.2910. d4 Na5 11. Ne5 Nxb3 12. Nc6 Qd6 13. Qxb3 Re8 14. Nd2 Bf8
  3. +0.2710. d3 exf3 11. dxc6 fxg2 12. Qf3 Bg4 13. Qxg2 Re8 14. d4 Bd6

Frequently asked questions

What is the best move in the Ruy Lopez: Marshall Attack, Steiner Variation?
After 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4, Stockfish 18 at depth 18 recommends 10. dxc6 for White, continuing exf3 11. d4 fxg2 12. Nd2 a5 13. Nf3 a4 14. Bc2 Re8. White is clearly better (+0.90). The next best moves are 10. d4 (+0.29) and 10. d3 (+0.27).
Is the Ruy Lopez: Marshall Attack, Steiner Variation a good opening?
Stockfish rates the position at +0.90: white is clearly 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: Marshall Attack, Steiner Variation?
C89. 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+).