Kano gave out first grades in which year ?
Wins were by two ippons , awarded in every four - main different path of winning alternatives , by " Throwing " that were the opponent 's back strikes flat onto the mat in more sufficient force , by " Pinning " them on their back with a " sufficient " amount of time , or by Submissions could be achieved via " Shime - waza " or " Kansetsu - waza " which the opponent were forced to gave up him / herself or a summon 's referee / corner - judges stoppage .