Daily poker puzzle
Today's puzzle — 2026-07-21
You have 5 outs on the flop (turn + river to come). What is the exact probability of hitting?
You have 5 outs on the flop (turn + river to come). What is the exact probability of hitting?
Source: poker-math.ts:ruleOf2And4
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Mechanism: 90 days pre-generated, date-seeded and deterministic; every number comes from lib/poker-math or the exhaustive matchup matrix, with per-question source refs.（v2026-07-04）
FAQ
When does it update?
A new puzzle appears at 00:00 UTC+8 (MY/SG time) automatically.
Are the answers reliable?
Every figure is deterministically computed (combinatorics or exhaustive matrix), each question carries a source ref, and automated tests validate the correct option per question.
How do streaks work?
Your first attempt of the day counts; consecutive correct days extend the streak, a miss resets it to 1. Progress stays in your browser.