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ECO C03

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.

6 named opening lines are classified under ECO code C03.

French Defense: Tarrasch Variation — 1.e4 e6 2.d4 d5 3.Nd2
French Defense: Tarrasch Variation, Guimard Defense — 1.e4 e6 2.d4 d5 3.Nd2 Nc6
French Defense: Tarrasch Variation, Guimard Defense, Thunderbunny Variation — 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.c3 dxe4 5.Nxe4 e5
French Defense: Tarrasch Variation, Haberditz Variation — 1.e4 e6 2.d4 d5 3.Nd2 f5
French Defense: Tarrasch Variation, Modern System — 1.e4 e6 2.d4 d5 3.Nd2 a6
French Defense: Tarrasch Variation, Morozevich Variation — 1.e4 e6 2.d4 d5 3.Nd2 Be7