in a draw. A draw is only possible in the regular season; if such a situation occurs during the playoffs, an overtime is played: additional questions are presented to the teams until the first correct answer is given - at that point the team which answered correctly is declared to be the winner. In the semi-finals 12 questions are presented in each game rather than 10. In the finals there are 15 questions. In various unofficial matches of Protmušis the rules may differ slightly. System of the championship Every year two championships (seasons) are held, each one lasting for approximately four months (one in the winter and spring and one in the autumn and winter; the seasons are separated by the winter and summer holidays and the student exams). Each season consists of the regular season and the playoffs. In the regular season all the participating teams are put into groups. All teams in the same group has to play against each other. During these games, the winning team is given two points, and both teams are given one point each for a draw. The number of groups and the number of teams in each group as well as the number of teams advancing to playoffs depend on how many teams participate in Protmušis that particular season, therefore, the system varies somewhat from season to season. In some seasons some matches are played by three teams rather than two. In addition to the main championship, various smaller games are being held: when neither of the playing teams answer the question correctly the spectators of Protmušis are permitted to give a try (the spectators who answered the most questions are being listed in the official website), the best questions are voted for and the spectators and players who had created the most questions are named, all the players and spectators are asked additional questions where it is possible to win special prizes. At present Protmušis is held each Thursday at 18:30 (Vilnius time) in the great hall of the Faculty of the Natural Sciences of Vilnius University. Anybody (including non-players and non-students) is permitted to come and watch the games, try their luck in answering the questions that teams are unable to answer or to support the teams of their faculty or institute. Each Wednesday four matches are played (whole event of four matches lasts for approximately two hours). All the