From open, the black stone and white stone be made moves alternately. The opening of a game (first 5 moves), when it is your turn to move, you have two ways of choice, either one move of turn to color or couple moves (a black & a white). If you make one move then your opponent has to turn to another color stone. If you make couple moves, your opponent can swap right (make move(s) or not). From 7th move the Black and White will be finalize, until end the game.
If 5th move be put only, the opponent have to made 6th move and the game continues normally by renju rules. If 5-6th moves be put, the opponent can put 7th or not (swap)
swiss system 5 rounds, add finish round.
Time limit: 30min + 30sec/move, Round 6: 40min + 30sec/move