Tournament playing by Olympic system ( who win go ahead , who lose left tourney ) , 2 weeks per match .
4 players make one group . 2 match to get winer of group . Other players can come in tourney until 1 week from date of begining . if going to be 2 players ready join to play tourney then they take part this tourney , if come in tourney just one player then he going to be available take part in the next tourney .
Toss is making by random number program