ECO E11
10 named openings and variations are classified as E11. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Bogo-Indian DefenseE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+
- Bogo-Indian Defense: Exchange VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+
- Bogo-Indian Defense: Grünfeld VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2
- Bogo-Indian Defense: Haiti VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Nc6
- Bogo-Indian Defense: Monticelli TrapE111. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5
- Bogo-Indian Defense: New England VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nfd2
- Bogo-Indian Defense: Nimzowitsch VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7
- Bogo-Indian Defense: Retreat VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7
- Bogo-Indian Defense: Vitolins VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5
- Bogo-Indian Defense: Wade-Smyslov VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5