From August 10 to August 19, edition number 13 of 2026 Sinquefield Cup is played in St. Louis, with $475,000 in prizes.
Schedule
Rules
Format
Closed invitation-only round-robin among 10 elite grandmasters: Fabiano Caruana, Vincent Keymer, Wesley So, Anish Giri, Javokhir Sindarov, Praggnanandhaa Rameshbabu, Jorden van Foreest, Maxime Vachier-Lagrave, plus wildcards Levon Aronian and Samuel Sevian. There is no open entry for players.
9 rounds, classical time control: 40 moves in 90 minutes, then 30 minutes to finish, plus a 30-second increment per move from move 1.
Schedule
Event window: August 8-21, 2026. Games: August 10-19 (round-robin, one round per day), rest day on August 15. All rounds start at 12:00 CDT.
Venue
Saint Louis Chess Club, 4657 Maryland Avenue, St. Louis, Missouri, USA.
Prizes
$475,000 total: $350,000 base purse + $125,000 decisive-games bonus. First prize (base): $100,000.
Broadcast
Live commentary on the Saint Louis Chess Club’s YouTube (@STLChessClub) and Twitch (STLChessClub) channels.
Tickets
Public tickets (not player registration, invitation-only event) via register.stlchess.club.
Rules summarised from grandchesstour.org and the Saint Louis Chess Club, checked on 2026-08-01. In case of any doubt or discrepancy, the official rules published by the organisers prevail.