Polish Opening — opening family
27 catalogued lines · ECO A00–A05
♞ View the head line Explore the full tree (27 lines) 🎓 Train this family
The shortest catalogued line of the family runs 1. 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.