ECO E64
5 named openings and variations are classified as E64. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- King's Indian Defense: Fianchetto Variation, Double Fianchetto AttackE641. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. b3
- King's Indian Defense: Fianchetto Variation, Hungarian VariationE641. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 a6
- King's Indian Defense: Fianchetto Variation, Pterodactyl VariationE641. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. Bg2 Qa5+
- King's Indian Defense: Fianchetto Variation, Yugoslav SystemE641. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O c5
- King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare LineE641. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5