English Defense — opening family
7 catalogued lines · ECO A40–A40
The shortest catalogued line of the family runs 1. d4 b6 — the position below. The continuation chips count how many catalogued lines extend this head with each next move; explore the full tree below and play any branch against the engine.
Variations tree of the English Defense family
Click any move to jump to that position; switch branches at any point with the alternative moves. Test your knowledge plays the shown position against the engine.
Start
Main continuations
All 7 lines
| Name | ECO | Main line length |
|---|---|---|
| English Defense | A40 | 2 plies |
| English Defense | A40 | 4 plies |
| English Defense: Eastbourne Gambit | A40 | 6 plies |
| English Defense: Perrin Variation | A40 | 8 plies |
| English Defense: Hartlaub Gambit Declined | A40 | 9 plies |
| English Defense: Poli Gambit | A40 | 10 plies |
| English Defense: Hartlaub Gambit Accepted | A40 | 10 plies |