After months of work and consultation and after the new judo refereeing rules were revealed last December and most recently presented at the IJf refereeing and coaching seminar in Baku, the baptism of fire of these new rules took place this weekend on the occasion of the first event of the 2017, the Tunis Open 2017. Mr. Juan Carlos Barcos, IJF Head Refereeing Director, who was present in Tunisia, analyzes this first expected implementation.