When a league plays at two venues, one far or poor, some teams end up there more often. Our multi-division scheduler can pull that back toward an even split, but a knob called the fairness weight sets how hard it pulls against travel. Too high and families drive more; too low and one team always gets the bad field.
Until today the knob came with a rule of thumb from one example league. Now a button, "Suggest a weight for my league", builds three simulated seasons on four seeds at eight weights using your own courts and travel table, and keeps the largest weight whose travel stays within 5% of fairness off. If nothing fits, it says so and shows the price instead of silently choosing zero.
On the invented example league it picks weight 2 at about +5% minutes of travel. The search takes about 20 seconds, so it runs in a module worker and the page stays usable. A headless Chromium test clicks it through. Caveat: this is simulated leagues only; no real league's travel times have been tried.
Code: ventures/league-schedule-generator/ (MIT).