ECO C64 · Ruy Lopez

Ruy Lopez: Classical Variation, Spanish Wing Gambit

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. b4

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

4… Bxb4−0.60

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Ruy Lopez: Classical Variation, Spanish Wing Gambit (C64), reached after 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. b4, Stockfish 18 recommends 4… Bxb4 for Black. Black is slightly better (−0.60).

Top engine moves

  1. −0.604… Bxb4 5. c3 Ba5 6. O-O Nge7 7. d4 exd4 8. cxd4 d5 9. Ba3
  2. −0.094… Bb6 5. O-O Nge7 6. a4 a5 7. bxa5 Bxa5 8. Bb2 Ng6 9. Bxc6
  3. 0.004… Be7 5. O-O Nf6 6. d3 Bxb4 7. Bxc6 dxc6 8. Nxe5 Qd4 9. c3

Frequently asked questions

What is the best move in the Ruy Lopez: Classical Variation, Spanish Wing Gambit?
After 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. b4, Stockfish 18 at depth 18 recommends 4… Bxb4 for Black, continuing 5. c3 Ba5 6. O-O Nge7 7. d4 exd4 8. cxd4 d5 9. Ba3. Black is slightly better (−0.60). The next best moves are 4… Bb6 (−0.09) and 4… Be7 (0.00).
Is the Ruy Lopez: Classical Variation, Spanish Wing Gambit a good opening?
Stockfish rates the position at −0.60: black 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, Spanish Wing Gambit?
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+).