Ruy Lopez: Schliemann Defense, Dyckhoff Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3

ECO C63

The Ruy Lopez: Schliemann Defense, Dyckhoff Variation is a chess opening line in the Ruy Lopez complex, reached after 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3.

It is catalogued under code C63 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nc3 is chosen by White on move 4.

Study this line with a grandmaster

This position is covered in the Beat the Ruy Lopez 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.