A minor score, rated less than a yuko and given to a judoka for either completing a throw with only one of the four scoring criteria for an ippon or holding an opponent for 10 to 15 seconds.
KÅka (弘化) was a Japanese era after TempÅ and before Kaei and spanned from December 2 (?), 1844 to February 28 (?), 1848. The reigning emperors were NinkÅ and KÅmei.