Four Knights Game: Spanish Variation, Rubinstein Variation Accepted

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxd4

ECO C48

The Four Knights Game: Spanish Variation, Rubinstein 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.Bb5 Nd4 5.Nxd4.

It is catalogued under code C48 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nxd4 is chosen by White on move 5.

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.