Many variants of Mahjong developed during this period. By the 1930s, many revisions of the rules developed that were substantially different from Babcock's classical version (including some that were considered fundamentals in other variants, such Vencedor the notion of a standard hand). A player who declares rīchi and wins usually http://mahjong15826.pointblog.net/Consideraciones-a-saber-sobre-mahjong-32200444