French Defense: Tarrasch Variation, Open System, Main Line

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6

ECO C09

The French Defense: Tarrasch Variation, Open System, Main Line is a chess opening line in the French Defense complex, reached after 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6.

It is catalogued under code C09 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nc6 is chosen by Black on move 5.

Study this line with a grandmaster

This position is covered in the French Defense 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.