Problem: 3+ player matches had 0% combat_death events (3p: 0/10, 4p: 3/10).
Bots were dying from zone/self-collision before encountering enemies.
Root causes:
1. Zone started at turn 15, killing bots before they could encounter each other
2. Spawn radius of 25% put bots ~12 tiles apart, but attack radius is only 3.5 tiles
Fix:
1. Delay zone start from turn 15 to turn 30 for 3+ players
2. Reduce spawn radius from 25% to 18% (puts bots ~10 tiles apart)
3. Update comments to reflect attack radius of 3.5 tiles (AttackRadius2=12)
Results:
- 3-player: 67% have combat_death (10/15) - up from 0%
- 4-player: 73% have combat_death (11/15) - up from 30%
- 2-player: no regression (still 30% have combat_death)
Remaining failures are due to random movement patterns keeping bots apart,
which is inherent to stochastic bot behavior.
Closes: bf-4kq3
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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