ECO volume E: Indian defenses

ECO E24

2 named openings and variations are classified as E24. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.

Nimzo-Indian Defense: Sämisch VariationE241. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3
Nimzo-Indian Defense: Sämisch Variation, Botvinnik VariationE241. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. e3 O-O 8. cxd5 Nxd5