Take Go for example. In Japan, where internationally accepted standards are set, games can last as long as nine hours per day, and in Western championship chess, a game can carry over several days.
以圍棋為例，由於日本推動專業制度的建立，國際都不得不去接受、遵守一局棋單方就有九小時可用的規則。西洋棋的正式比賽，單方也可以走八小時，對局超過八小時，立即封盤，第二天再下，等於花兩天才下一場棋。