On July 20, 2024, the International Chess Day, FIDE celebrates its centenary anniversary. To mark this date, we aim to set the Guinness World Record for the most chess games played within 24 hours, both online and over-the-board.

FIDE invites federations, chess organizers and clubs to join the attempt and help us set a new milestone for the chess world! Be a part of the biggest chess day of all time!

You can participate in the Guinness World Records attempt from any corner of the globe.

Requirements for tournaments to join the Guinness World Records Attempt:

1. To be eligible, tournaments must meet to the following criteria:

• Held between July 20, 2024 00:00:00 CEST and July 21, 2024 00:00:00 CEST; a single round of a several day event, played on July 20, is also compliant with the attempt;
• Supervised by a FIDE licensed arbiter;
• Registered on the official website of the Guinness World Records Attempt before July 15;
• Eligible formats:
• OTB: Swiss system, round-robin, or simultaneous display tournament;
• Online: Swiss system or round-robin tournaments, arena or individual ‘online rated’ games, with a minimum number of 15 moves.

2. Game requirements are the following:

• Games must adhere to the Laws of Chess with specific time controls and formats;
• Minimum 3 min. + 2 sec. increment per move, starting from move 1 (for games with increment) or 5 min. per game (for games without increment);
• Maximum duration: 8 hours;
• All games need to start and finish within the designated 24 hours to count.

3.  Submitting Results:

• The event supervisor/FIDE licensed arbiter needs to confirm the number of games played, provide to FIDE a standard TRF file and sign a protocol confirming the number of games played;

The registration of the tournaments participating in the GUINNESS WORLD RECORDS Attempt is available via the official FIDE Guinness World Record Attempt page.

Registration deadline: July 15, 2024