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starDaina Chiba - Riichi Book 1pdf[en]
regularEMA Riichi Rules 2008pdf[en]pdf[es]pdf[fr]pdf[pl]
regularEMA Riichi Rules 2012pdf[en]pdf[fr]
regularEMA Riichi Rules 2016 (2015-12)pdf[en]pdf[nl]pdf[ru]
regularEMA Riichi Rules 2016 (2016-04)pdf[en]
regularEMA Riichi penalties overview 2016pdf[en]
regularWRC Rules 2014 (2013-12)pdf[en]
regularWRC Rules 2014 (2014-05)pdf[en]
regularWRC Rules 2015pdf[en]pdf[fr]
regularWRC Rules 2015 - Clarifications (2017-10)pdf[ja]pdf[en]
regularWRC Rules 2015 - Overview (2017-10)pdf[en][ja]
starWRC Rules 2022 (2022-07-08)pdf[en]
regularWRC Rules 2022 - Clarificationspdf[en]
regularWRC Rules 2022 - Major Rule Changes Summarypdf[en]
regularWRC Rules 2022 - Optional Rulespdf[en]