The Sinquefield Cup 2026, a nine-round classical round-robin in the Grand Chess Tour scheduled for August in St. Louis, features a deep field of elite grandmasters with closely matched ratings and recent results. Fabiano Caruana, Wesley So, Alireza Firouzja, Praggnanandhaa Rameshbabu, Javokhir Sindarov, Vincent Keymer, Anish Giri, Maxime Vachier-Lagrave, Levon Aronian, and others enter with comparable credentials, including prior GCT titles, Candidates experience, and strong showings in the 2026 tour events such as Firouzja’s Croatia rapid-and-blitz victory. Home-soil familiarity for the American contingent, combined with the absence of a single standout form leader this summer and the inherent variance of classical chess among 2750-plus players, keeps implied probabilities tightly bunched across the field.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWesley So 43%
Fabiano Caruana 43%
Alireza Firouzja 42%
Javokhir Sindarov 42%
Wesley So
43%
Fabiano Caruana
43%
Alireza Firouzja
42%
Javokhir Sindarov
42%
Levon Aronian
41%
Praggnanandhaa Rameshbabu
40%
Vincent Keymer
39%
Jorden Van Foreest
38%
Maxime Vachier-Lagrave
37%
Anish Giri
37%
Wesley So 43%
Fabiano Caruana 43%
Alireza Firouzja 42%
Javokhir Sindarov 42%
Wesley So
43%
Fabiano Caruana
43%
Alireza Firouzja
42%
Javokhir Sindarov
42%
Levon Aronian
41%
Praggnanandhaa Rameshbabu
40%
Vincent Keymer
39%
Jorden Van Foreest
38%
Maxime Vachier-Lagrave
37%
Anish Giri
37%
If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other."
If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically.
The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
Market Opened: Jul 17, 2026, 6:32 PM ET
Resolver
0x69c47De9D...If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other."
If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically.
The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
Resolver
0x69c47De9D...The Sinquefield Cup 2026, a nine-round classical round-robin in the Grand Chess Tour scheduled for August in St. Louis, features a deep field of elite grandmasters with closely matched ratings and recent results. Fabiano Caruana, Wesley So, Alireza Firouzja, Praggnanandhaa Rameshbabu, Javokhir Sindarov, Vincent Keymer, Anish Giri, Maxime Vachier-Lagrave, Levon Aronian, and others enter with comparable credentials, including prior GCT titles, Candidates experience, and strong showings in the 2026 tour events such as Firouzja’s Croatia rapid-and-blitz victory. Home-soil familiarity for the American contingent, combined with the absence of a single standout form leader this summer and the inherent variance of classical chess among 2750-plus players, keeps implied probabilities tightly bunched across the field.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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