👥 DUPLICATION
The lineup you think is yours
From field size and how much chalk you used, work out the odds another entrant submits the exact lineup you did — and what that does to a first-place finish you have to split.
👥 Duplication Riskchalk check
Est. duplicate lineups—
🔁 Rough estimate: (own%⁄100)^chalk-players × field size. More chalk stacked together, more twins in the field splitting your prize.
Why this number matters
In a large field, a lineup built entirely from the popular plays is not unique. Winning it outright and winning it split are very different outcomes, and the difference is decided before lock by how many of your slots the field also filled.
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