English Orangutan — opening family
2 catalogued lines · ECO A15–A15
♞ View the head line Explore the full tree (2 lines) 🎓 Train this family
The shortest catalogued line of the family runs 1. c4 Nf6 2. b4 — 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.
All 2 lines
| Name | ECO | Main line length |
|---|---|---|
| English Orangutan | A15 | 3 plies |
| English Orangutan | A15 | 5 plies |