Ruy Lopez: Closed, Center Attack

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4

ECO C84

The Ruy Lopez: Closed, Center Attack is a chess opening line in the Ruy Lopez complex, reached after 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4.

It is catalogued under code C84 in the Encyclopaedia of Chess Openings (ECO).

The defining move d4 is chosen by White on move 6.

One named continuation branches from this position: the Basque Gambit.

Named variations

• Ruy Lopez: Closed, Center Attack, Basque Gambit — ECO C84

Study this line with a grandmaster

This position is covered in the Marshall Attack 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.