ECO C47 · Four Knights Game

Four Knights Game: Scotch Variation Accepted

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4

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

5. Nxd4+0.21

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

Analyze this position

In the Four Knights Game: Scotch Variation Accepted (C47), reached after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4, Stockfish 18 recommends 5. Nxd4 for White. The position is roughly equal (+0.21).

Top engine moves

  1. +0.215. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5
  2. −0.035. Nd5 Bc5 6. Bg5 Be7 7. Bxf6 Bxf6 8. Bb5 O-O 9. Bxc6 dxc6
  3. −1.335. Nb5 Nxe4 6. Nfxd4 Bc5 7. Bd3 Nxd4 8. Nxd4 O-O 9. O-O d5

Variations

Frequently asked questions

What is the best move in the Four Knights Game: Scotch Variation Accepted?
After 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4, Stockfish 18 at depth 18 recommends 5. Nxd4 for White, continuing Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5. The position is roughly equal (+0.21). The next best moves are 5. Nd5 (−0.03) and 5. Nb5 (−1.33).
Is the Four Knights Game: Scotch Variation Accepted a good opening?
Stockfish rates the position at +0.21: 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: Scotch Variation Accepted?
C47. 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+).