The Strategic Collision Calculator
In any group bigger than a small team, people self-sort into tight pockets and never collide with the rest. A buddy program engineers those collisions on purpose — the moments when two people who'd never have met end up building a real relationship. Pick a cohort, duration, and card size; we'll show you what a completed cohort actually looks like.
Number of people in this onboarding wave (4–500).
How long the program runs.
Bigger cards = more activities per pair.
Strategic collisions vs. chance
Without a program, only about 7 cross-group meetings happen organically in a cohort this size. This program creates 59.
Connection map
Each arc is a strategic collision; ring colors group people by their home group.
Collisions by group
Where the program puts its energy — total cross-group meetings credited to each home group.
- Customer Service32
- Operations18
- Field32
- Call Center20
- IT / Software Development16
Connection density
Each cell = how often two people were paired across all rounds.
Task completion over time
Easy connectors get knocked out fast; hard, relationship-deepening tasks trail in late. Longer programs visibly stack more depth.
How we modeled this
- • Every buddy is randomly assigned to one of five home groups (think departments, majors, ministries, or chapters).
- • A seeded RNG drives Fisher–Yates shuffles; each round greedily prefers partners who haven't met yet, falling back to repeats only when forced.
- • The organic baseline assumes roughly √(cohort size) cross-group meetings happen naturally — a stand-in for how thin spontaneous coverage gets as a group grows.
- • Tasks are split ~50/30/20 easy / medium / hard. Each round, every remaining square has a difficulty-weighted chance to complete — easy connectors finish fast, hard collaborations take real effort.
- • One trial per re-roll. Hit re-roll to see how another cohort with the same inputs plays out.
Run a real cohort — at work, on campus, or in your community.
Spin up an actual Work Buddy room in under two minutes. Free to start.
Start a room