10ème Open International de Chelles takes place on April 12, 2026 in Chelles, France and offers a high-level one-day rapid chess tournament for players who want strong and officially rated games in the Paris region. The event runs at Gymnase Henri Bianco and uses a 12 minutes + 3 seconds increment time control over 9 rounds. In addition, the tournament follows the Swiss system and counts for both FFE Rapid and FIDE Rapid rating lists, which gives the event strong value for ambitious club players and experienced competitors.

The 10ème Open International de Chelles also brings a substantial confirmed cash prize fund, a clear section-free open format, and practical registration options through the official online entry platform. Moreover, the organizer provides on-site refreshments and small catering, which makes the full tournament day more convenient for participants. Because the event takes place in Chelles, France and combines rated play, a major prize fund, and a strong local chess setting, the 10ème Open International de Chelles stands out as an attractive international chess tournament for spring 2026.

🗓️ Event Details

🏆 Prize Fund

The organizer also awards cups to the best U20, U18, U16, and U14 player and to the best U12, U10, and U08 player. However, those non-cash prizes are not included in the total cash prize fund.

⏱️ Time Control & Pairings

The 10ème Open International de Chelles uses a 12 minutes + 3 seconds increment time control and runs over 9 rounds. Moreover, the tournament follows the Swiss pairing system. The event also counts for the FFE Rapid May 2026 rating list and the FIDE May 2026 rating list. The published event details do not confirm the tie-break system, default time, byes policy, rating list used for pairings, or acceleration method.

📂 Sections / Groups

The tournament uses one open rapid section for all participants.

📅 Schedule

📝 Registration

👥 Organizer

L’Échiquier Chellois organizes the 10ème Open International de Chelles in Chelles, France. In addition, Olivier Tridon serves as the listed organizer, while Jocelyn Azzegag serves as arbiter. The organizer also provides direct contact details and practical event information for players who want to join this major rapid chess tournament near Paris.

• Address: Gymnase Henri Bianco, rue Louis Eterlet, 77500 Chelles, France

• Phone: +33 6 20 36 49 39

• Website: https://www.helloasso.com/associations/l-echiquier-chellois/evenements/10-eme-open-international-de-chelles

🏨 Venue

Gymnase Henri Bianco, rue Louis Eterlet, 77500 Chelles, France

Gymnase Henri Bianco hosts the tournament in Chelles and gives players a clearly identified venue for a full day of rated rapid chess. Moreover, the organizer provides a refreshment stand and light food on site, which adds practical comfort during the event.

🚗 How to Get There

Players should travel directly to Gymnase Henri Bianco on rue Louis Eterlet in Chelles, France. Therefore, participants should plan their trip in advance and arrive early enough to settle in before the first round of this one-day rapid event.

The 10ème Open International de Chelles offers rated rapid chess, a major cash prize fund, and a strong one-day format for players who want competitive spring chess in Chelles.