Challenge DIVISION 


Article 1 - Organizer


The Aristod Company Ltd., whose headquarters are located at 217 rue de Paris in Palaiseau, France, registered with the SIREN register, hereinafter referred to as "Organiser", is organising from June 18, 2016 at 9 am at June 25, 2016 at 20h a free competition without purchase obligation entitled "European Challenge – DIVIDE AN CONQUER." The game is available from the address


Article 2 - Participation


Participation in this game is open to anyone with a valid email address. Children who do not have an email address can use that of a family member. However, an email address can only be used by one person. All information on the operation and content of the game being published, people who collaborated in the organisation of the game can also participate. However, none of these people can be champion, title that is awarded to the best of other participants.

Participants have the choice between "provide a name and a surname" and "provide a nickname." Names-first names or nicknames will be shown in the rankings to be published. Participants who provided pseudo can change their nickname by name and first name until 24 hours after the end of the game. Participation in the competition entails pure and simple acceptance of these rules in all its provisions, the existing rules of conduct on the Internet, as well as laws and regulations applicable to existing free games on French territory. The non-compliance with the terms stated in the regulations will void participation.


Article 3 - Principle and registration procedures, and score recording


For the game, the participant must:

1.    Access the competition webpage available from the address

2.    Register via the registration form

3.    Play as many times as they wish during the competition time

4.    At the end of each game, the participant will get a score that will be saved on the server of Aristod. This recording requires an internet connection.


Article 4 - Prize


The competition has no material prize. Only a title and a mention on the competition website are awarded to the winners. The titles are:




Article 5 - Designation of the winners


The winners will be registered for the competition:

• For the “EUROPE’S DIVISION CHAMPION” title, they will be the players having achieved the best scores,

• For the “EUROPE’S CHAMPION OF THE REGULARITY OF THE DIVISION” title, they will be the players having achieved the best result in calculating the sum of their 4 best scores,

except for these two titles, people who collaborated in the organization of the game. Winners will be notified of their designation by the end of the competition on the competition website.


Article 6 - Publicity


Participants authorize the Organiser to use their name + first names, when provided, or their nicknames, without any remuneration, right or advantage other than the allocation of their ranking and their eventual championship.


Article 7 - Amendment of the Rules


The Organiser reserves the right, if circumstances require, to modify, shorten, extend or cancel the game. Its responsibility cannot be engaged thereby. The Organiser reserves the right to modify all or part of the Rule. Any amendment of the Rules will be announced on page


Article 8 - Responsibility


The Organiser shall not be responsible in case of Internet network malfunction preventing access to the game or of its smooth running. In particular, the Organiser shall not be held responsible for any external malicious acts. If the Organizer makes every effort to offer users information and / or tools available and verified, it cannot however be held responsible for material errors (particularly in display on the websites of the game, sending of false emails to participants, routing emails), lack of availability of information and / or the presence of viruses on the site.

Participation in this game implies knowledge and acceptance of the characteristics and limitations of the Internet, the lack of protection of certain data against possible misuse or piracy and risks of contamination by viruses circulating on the network. It is for each participant to take all appropriate measures to protect its own data and / or software stored on their computer equipment and telephone against any attack. The connection of any person to the site and participation in the game is done under his responsibility. In addition, the Organizer is not responsible for:

•    Hardware or software problems

•    Destruction of information provided by participants for reasons not attributable to Organiser or bugs in software

•    Human errors or electrical

•    Disturbances that might affect the smooth running of the game

•    Any delays consequences, loss, theft or damage of postal or e-mails that are not attributable to him. Claims must be made by the recipient directly to the companies responsible for the delivery of such mail.

In all cases, if the proper administrative and/or technical progress of the game is disrupted for any reason beyond the control of the Organiser, the Organiser reserves the right to interrupt the game. Any fraud or non-compliance these rules may result in exclusion from the game of its author, the Organizer reserves, if any, the right to bring against him prosecuted.


Article 9 – Deposit of the rule


The rules are freely accessible at:


Article 10 – “Informatique et Libertés”


The information collected in this game are necessary to take account your participation. Under the French law “Informatique et Libertés”, you have a right to access, modify, rectify and delete your personal data.


Article 11 - Disputes


Any controversy or claim relating to the competition shall be addressed in a written form to Aristod, 217 rue de Paris, 91120 Palaiseau, France. The Organiser shall decide any matter relating to the application of the Rules, based on the Scientific Advisory Board advice and in accordance with French law. These decisions will be final. Beforehand, a dispute or claim may be communicated by email in English or French, to: Contact AT for fast processing. In case of persistent dispute or claim, it must be made in a written form. The law applicable to these Rules is French law and the applicable language is French. Any dispute arising in connection with this competition will be an attempt at amicable settlement. Failing agreement, the dispute shall be submitted to the competent courts to which the registered office of the Organiser depends, unless public order provisions contrary. No dispute will be admissible one month after the end of the game.


Article 12 – General information


Requests for information about the competition can be performed on the competition forum. Answers to relevant questions will be provided on the forum.


Article 13 - Scientific Advisory Board


The Scientific Advisory Board consists of:

  • Christine Kazantsev, Directrice de l’IREM de Grenoble
  • Christian Mercat, Directeur de l’IREM de Lyon et projet MCSquared
  • Silvia Urti, projet MCSquared
  • Jean-François Nicaud, Directeur d’Aristod et projet MCSquared
  • Rémi Barrault, IREM de Lyon
  • Michel Criton, Fédération Française des jeux Mathématiques
  • Nataly Essonnier, IREM de Lyon et de Grenoble et projet MCSquared
  • Michèle Gandit, IREM de Grenoble
  • Claire Geoffroy, IREM de Grenoble
  • Joëlle Lamon, Jeux mathématiques à Bruxelles
  • Pedro Lealdino Filho, IREM de Lyon et projet MCSquared
  • Thomas Meyer, IREM de Grenoble
  • Maxime Nguyen, IREM de Lyon
  • Émilie Quema, IREM de Grenoble
  • Jana Trgalova, IREM de Lyon et de Grenoble et projet MCSquared
  • Christophe Viudez, Aristod et projet MCSquared