ECO C47 · Four Knights Game

Four Knights Game: Scotch Variation, Belgrade Gambit

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5

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

5… Nb4−0.26

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

Analyze this position

In the Four Knights Game: Scotch Variation, Belgrade Gambit (C47), reached after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5, Stockfish 18 recommends 5… Nb4 for Black. The position is roughly equal (−0.26).

Top engine moves

  1. −0.265… Nb4 6. Nxf6+ Qxf6 7. a3 Nc6 8. Bd3 Be7 9. O-O d6 10. Bb5
  2. −0.155… Bc5 6. Bg5 Be7 7. Bxf6 Bxf6 8. Bb5 O-O 9. O-O Re8 10. Re1
  3. −0.115… Be7 6. Bc4 Nxe4 7. O-O O-O 8. Re1 Nf6 9. Nxe7+ Nxe7 10. Qxd4

Variations

Frequently asked questions

What is the best move in the Four Knights Game: Scotch Variation, Belgrade Gambit?
After 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5, Stockfish 18 at depth 18 recommends 5… Nb4 for Black, continuing 6. Nxf6+ Qxf6 7. a3 Nc6 8. Bd3 Be7 9. O-O d6 10. Bb5. The position is roughly equal (−0.26). The next best moves are 5… Bc5 (−0.15) and 5… Be7 (−0.11).
Is the Four Knights Game: Scotch Variation, Belgrade Gambit a good opening?
Stockfish rates the position at −0.26: 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, Belgrade Gambit?
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+).