Four Knights Game: Scotch Variation Accepted

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

ECO C47

The Four Knights Game: Scotch Variation Accepted 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.

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

The defining move exd4 is chosen by Black on move 4.

One named continuation branches from this position: the Main Line.

Named variations

• Four Knights Game: Scotch Variation Accepted, Main Line — 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.