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Rules Beginner Guide Quick Answers Gets Wrong Community Changelog

Rulebook Versions(1)

EMA Riichi Rules, 2025 edition (August 2025; supersedes the 2016 edition)CurrentEffective August 1, 2025

Auto-detected content change during sync (commit 84da984)

Recorded Aug 4, 2026

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By Equipment
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Search Rules

About

Rules for real sports. A platform for new ones. Sourced from governing bodies, community-driven, and always open.

About OpenSourceSports
Rankings

Rulebook Versions(1)

EMA Riichi Rules, 2025 edition (August 2025; supersedes the 2016 edition)CurrentEffective August 1, 2025

Auto-detected content change during sync (commit 84da984)

Recorded Aug 4, 2026

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