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ECO C04

ECO C00–C99 — Open Games and the French Defense: 1.e4 e6 and 1.e4 e5, from the Italian and Ruy Lopez to the King's Gambit.

1 named opening lines are classified under ECO code C04.

French Defense: Tarrasch Variation, Guimard Defense, Main Line — 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6