Event Details

Dec 12, 2025 - Dec 14, 2025

The Royal Sonesta Chase Park Plaza St. Louis

The Confluence Open Championship 2025

The Saint Louis Chess Club welcomes chess enthusiasts to a premier event featuring a 5-round Swiss System tournament with two sections: Open and U1800.

Tournament Round Times:

Friday: 6:30 PM
Saturday: 12:00 PM and 5:00 PM
Sunday: 12:00 PM and 5:00 PM

Join us from December 12–14, 2025, at the Saint Louis Chess Club for an exciting weekend of chess competition.