Here is a summary of the internal regulations (attached but in French)

Score:
Saturday 10/25 from 11:30 a.m. to 1:30 p.m.
Round 1: Saturday 10/25 at 2:30 p.m.
Round 2: Sunday 10/26 at 9:30 a.m. Round 3: Sunday 10/26 at 3:00 p.m.
Round 4: Monday 10/27 at 9:30 a.m. Round 5: Monday 10/27 at 3:00 p.m.
Round 6: Tuesday 10/28 at 2:30 p.m.
Round 7: Wednesday 10/29 at 9:30 a.m. Round 8: Wednesday 10/29 at 3:00 p.m.
Round 9: Thursday 10/30 at 9:30 a.m. Prize giving: Thursday 10/30 at 3:00 p.m.

ARTICLE 1: Organization, Registration

Tournament organized by Calais Passion Echecs and the city of Calais Approved by FIDE and FFE Registration closes on October 25, 2025, at 1:30 PM Registration fees: €50 for adults, €25 for juniors, additional fee after October 19 Registration implies acceptance of the rules and the chess player charter

ARTICLE 2: Right to Image

Photos and videos may be taken during the tournament Registration implies acceptance to appear in photos and videos

ARTICLE 3: Tournament Procedure

9 rounds, open to any player affiliated with a FIDE member federation Schedule of rounds and award ceremony detailed Time control: 1 hour 30 minutes (+ 30 seconds/move) for the entire game Recording of moves is mandatory Draw by mutual agreement possible from the 20th move or with the referee’s agreement Forfeit after 30 minutes of delay

ARTICLE 4: The Bye

One “BYE” allowed per player, worth 0.5 point, limited to rounds 1 to 6 Must be requested before the end of the previous round

ARTICLE 5: Pairing

Swiss system, assisted by the Papi 3.3.8 program

ARTICLE 6: Ranking and Prizes

Ranking based on game points Tiebreakers: Truncated Buchholz, Buchholz, Performance The expected prizes are as follows: 1st: €500* – 2nd: €400* – 3rd: €300* Prize by category – prize by bracket Elo – female prize* The final prize list will be posted before the start of Round 3. Prizes guaranteed if at least 60 participants, adjustable according to the number of registrants Non-cumulative prizes, awarded to winners present at the closing ceremony

ARTICLE 7: Refereeing

Chief referee: Philippe Blot, International Arbiter

ARTICLE 8: Player Conduct

Analyses and blitz are prohibited in the tournament hall Discussions are limited to avoid disturbances Prohibition of electronic devices not authorized by the referee Sanctions for acts contrary to the ethics of the game

ARTICLE 9: Disputes

Appeals jury composed of five members, sovereign decisions Competent referee to resolve disputes Possibility to appeal to the appeals jury in case of disagreement