Four Knights Game: Scotch Variation, Belgrade Gambit

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

ECO C47

The Four Knights Game: Scotch Variation, Belgrade Gambit is a chess opening line in the Four Knights Game complex, reached after 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5.

It is catalogued under code C47 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nd5 is chosen by White on move 5.

One named continuation branches from this position: the Modern Defense.

Named variations

• Four Knights Game: Scotch Variation, Belgrade Gambit, Modern Defense — ECO C47

Study this line with a grandmaster

This position is covered in the Scotch Opening course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.