Previous spawn radius of 13% (5.2 tiles from center) put bots only ~10 tiles
apart on a 40x40 grid - within the 5-tile attack radius. With 2 cores per player,
secondary cores were only 4 tiles apart, causing all bots to die immediately on
turn 1 instead of being forced together by the zone over time.
New spawn radius of 25% (10 tiles from center, 20 tiles apart) puts bots
outside attack range. The zone forcing function now works as designed:
bots start apart, zone shrinks over time, and combat occurs when bots are
forced into contact range.
Verification:
- Before: 100% of matches ended in 1 turn with 4 deaths (all bots died immediately)
- After: Matches last 3-15 turns (avg ~9), 2-4 deaths per match, 100% have combat_deaths
- Target per plan §3.7.1: 65-80% combat density, ~1 death per 20 turns
Closes: bf-1s2q
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