In sumo stables, chankoban (person in charge of preparing sumo wrestler's meals) serves as "chankocho (most experienced chanko cook in the sumo stable)" to cook the chanko, and it is cooked mainly by sumo wrestlers themselves at the rank of "makushita" or below.
相撲部屋でのちゃんこの調理は、ちゃんこ番の力士が「ちゃんこ長」を務め、主に幕下以下の力士が自ら調理を行う。