Bogo-Indian Defense — opening family
21 catalogued lines · ECO E11–E11
♞ View the head line Explore the full tree (21 lines) 🎓 Train this family
The shortest catalogued line of the family runs 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ — the position below. The continuation chips count how many catalogued lines extend this head with each next move; any branch can be explored on the interactive tree and played against the engine from there.