ECO C49 · Four Knights Game

Four Knights Game: Spanish Variation, Alatortsev Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5

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

8. exd5+0.48

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Four Knights Game: Spanish Variation, Alatortsev Variation (C49), reached after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5, Stockfish 18 recommends 8. exd5 for White. White is slightly better (+0.48).

Top engine moves

  1. +0.488. exd5 Nxd5 9. c3 Bd6 10. Ng3 Qf6 11. h3 Nf4 12. Re1 Bd7
  2. +0.308. c3 dxe4 9. dxe4 Rd8 10. Qc2 Bc5 11. Ng3 a5 12. Re1 h6
  3. +0.248. Ng3 a6 9. Bxc6 bxc6 10. Bd2 a5 11. Re1 dxe4 12. dxe4 Rd8

Frequently asked questions

What is the best move in the Four Knights Game: Spanish Variation, Alatortsev Variation?
After 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5, Stockfish 18 at depth 18 recommends 8. exd5 for White, continuing Nxd5 9. c3 Bd6 10. Ng3 Qf6 11. h3 Nf4 12. Re1 Bd7. White is slightly better (+0.48). The next best moves are 8. c3 (+0.30) and 8. Ng3 (+0.24).
Is the Four Knights Game: Spanish Variation, Alatortsev Variation a good opening?
Stockfish rates the position at +0.48: 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 Four Knights Game: Spanish Variation, Alatortsev Variation?
C49. 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+).