The daily poker challenge.

Five deterministic spots, shared by date and version. Four call/fold decisions and one equity read. A fresh challenge each UTC day.

Challenge: 2026-10-20 · v1 · Today’s challenge

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Play money only. Equity-estimate cost measures EV sensitivity to your estimate, not money actually lost. Equity before the river is a deterministic sample. Opponent ranges are stated assumptions. The same v1 date produces the same deals and engine inputs for everyone.