ECO volume C: Open games and the French Defense

ECO C19

2 named openings and variations are classified as C19. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.

French Defense: Winawer Variation, Advance Variation, Smyslov VariationC191. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. a4
French Defense: Winawer Variation, Positional VariationC191. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3