French Defense: Rubinstein Variation, Fort Knox Variation

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bd7 5.Nf3 Bc6

ECO C10

The French Defense: Rubinstein Variation, Fort Knox Variation is a chess opening line in the French Defense complex, reached after 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bd7 5.Nf3 Bc6.

It is catalogued under code C10 in the Encyclopaedia of Chess Openings (ECO).

The defining move Bc6 is chosen by Black on move 5.

Study this line with a grandmaster

This position is covered in the Beat the French with 3.Nc3 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.