ECO C48 · Four Knights Game

Four Knights Game: Spanish Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5

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

4… Nd4+0.13

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

Analyze this position

In the Four Knights Game: Spanish Variation (C48), reached after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5, Stockfish 18 recommends 4… Nd4 for Black. The position is roughly equal (+0.13).

Top engine moves

  1. +0.134… Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Be2
  2. +0.164… Bd6 5. O-O O-O 6. Bc4 Nd4 7. d3 c6 8. Be3 Nxf3+ 9. Qxf3
  3. +0.254… Bb4 5. O-O O-O 6. d3 d5 7. Bxc6 bxc6 8. Nxe5 Bxc3 9. bxc3

Other move orders

  • 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3

Variations

Frequently asked questions

What is the best move in the Four Knights Game: Spanish Variation?
After 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5, Stockfish 18 at depth 18 recommends 4… Nd4 for Black, continuing 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Be2. The position is roughly equal (+0.13). The next best moves are 4… Bd6 (+0.16) and 4… Bb4 (+0.25).
Is the Four Knights Game: Spanish Variation a good opening?
Stockfish rates the position at +0.13: 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 Four Knights Game: Spanish Variation?
C48. 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+).