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. 

Join us from December 12-14, 2025, at Maryland & Forsyth, Chase Park Plaza for an exciting weekend of chess competition. 


The Confluence Open Championship

FORMAT5 round Swiss System. Two sections (Open & U1800). 
DATE(S)December 14-16
ROUND TIMESFriday: 6:30 PM
Saturday: 12:00 PM and 5:00 PM
Sunday: 12:00 PM and 5:00 PM 
LOCATIONMaryland & Forsyth, Chase Park Plaza Royal Sonesta St. Louis 
REGISTRATIONSpace is limited to 120 participants 
ENTRY FEE$100
TIME CONTROLG/90; +30 increment 
PRIZESOpen Section (FIDE Rated):
  • 1st: $1,000
  • 2nd: $600
  • 3rd: $400
  • U2300: $300
  • U2100: $200
  • U1900: $200
Under 1800 Section:
  • 1st: $500
  • 2nd: $300
  • 3rd: $200
  • U1500: $200
  • U1300: $200
  • U1000: $100
  • Unrated: $100

 Total Prize Fund: $4,200 

RATING & MEMBERSHIPOpen section is FIDE rated. Both sections US Chess rated. Both Club and US Chess memberships required. 
BYESTwo half-point byes are available if requested when registering or before registration ends by emailing   [email protected] .
INFORMATIONEmail:  [email protected] 

REGISTRATION

The open section is FIDE rated, and any player may compete in the open section.

To view the Club's policy, click here

“To view the Club's policy, click here.”

Billing Information

  • Visa
  • Mastercard
  • American Express
  • Discover

Location Information

  • Maryland Ballroom Chase Park Plaza
  • 212 N. Kingshighway Blvd, St. Louis, MO, 63108 US
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