Polish Defense — opening family
2 catalogued lines · ECO A40–A40
The shortest catalogued line of the family runs 1. d4 b5 — 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 Polish 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 2 lines
| Name | ECO | Main line length |
|---|---|---|
| Polish Defense | A40 | 2 plies |
| Polish Defense: Spassky Gambit Accepted | A40 | 5 plies |