So, Keymer and Sevian rating
Wesley So moved into sole first place on the Sinquefield Cup after defeating Fabiano Caruana with the black items in spherical three. Two different video games additionally ended decisively: Vincent Keymer recovered from his troublesome loss within the earlier spherical by beating Praggnanandhaa Rameshbabu, whereas Sam Sevian floor down Anish Giri in a 110-move opposite-coloured bishop ending.
Maxime Vachier-Lagrave and Levon Aronian are tied for second place, half some extent behind So. On Wednesday, MVL and Aronian drew in opposition to Javokhir Sindarov and Jorden van Foreest, respectively – neither of the attracts was notably quiet. 4 gamers are one level off the lead on 1½ out of three.
Spherical 3 outcomes
So’s victory over Caruana was the primary recreation of the spherical to complete. Caruana bumped into critical difficulties within the opening after getting into a pointy Saemisch Variation of the Nimzo-Indian Defence. Caruana appeared to have ready the road, however his lengthy assume on transfer 14 urged that the place had taken him outdoors acquainted territory. At that time his c4-pawn was beneath menace and White wanted to generate lively play.
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So, curiously, was already acquainted with the variation from the alternative facet of the board. Caruana’s most energetic choice was 14.Rf4, intending Rh4-h6 and creating tactical threats in opposition to Black’s king, together with concepts primarily based on Bxh6. So demonstrated this concept in a video for the Saint Louis Chess Membership.
Wesley So defeats Fabiano Caruana in Spherical 3 of the Sinquefield Cup and strikes to a powerful 2.5/3! ♟️
After the sport, Wesley breaks down probably the most crucial second of the battle and shares what he thought may have been a greater various for Fabi.
Hear from Wesley himself… pic.twitter.com/Sc7COJXHhR— Grand Chess Tour (@GrandChessTour) August 12, 2026
As an alternative, Caruana selected 14.e5, simplifying into an endgame through which he was a pawn down. The choice relieved a lot of the quick tactical rigidity however left him with a fabric deficit, which So went on to transform. The outcome gave So his second consecutive victory.
Traces proven by So

The all-American battle between Fabiano Caruana and Wesley So | Photograph: Lennart Ootes

The brand new sole chief in Saint Louis | Photograph: Lennart Ootes
Keymer responded instantly to his 91-move defeat in opposition to Aronian yesterday. In that recreation, the German star had obtained a profitable place earlier than letting the benefit slip and finally shedding. In opposition to Pragg, he as a substitute capitalised on an opponent who encountered critical issues nearly from the opening.
The gamers battled out of a Catalan Opening, however Pragg’s place was already somewhat precarious by transfer 11. His setup concerned appreciable strategic threat and allowed Keymer to determine a transparent benefit early within the recreation.
Pragg however defended resourcefully and progressively managed to work his means again into competition. The Indian grandmaster nonetheless had drawing probabilities till enjoying 37…Na3?, which proved to be the decisive error and instantly gave White a profitable assault.
There adopted 38.Ng3 (the black knight is now not attacking d4) Nd7 39.Qg4, as Keymer introduced his queen into motion with decisive impact.
Keymer completed the sport with an uncommon mating sample involving each of his knights.
There’s mate-in-eight on this place, however as a substitute of enjoying 50…g5 to maintain the sport going (or just resigning directly), Pragg performed 50…Nxh7, permitting Keymer to point out checkmate on the board with 51.Nfg6#. A uncommon sight certainly in an elite-level encounter!

Vincent Keymer defeated Praggnanandhaa Rameshbabu | Photograph: Lennart Ootes
Sevian scored the day’s longest victory, defeating Giri after 110 strikes. The sport finally reached an opposite-coloured bishop ending with rooks nonetheless on the board. White had an additional pawn, however Black had robust drawing probabilities.
Regardless of the restricted materials and the inherent defensive sources of the place, Sevian continued to press. He progressively extracted profitable probabilities from an ending that supplied little or no at first sight, and finally succeeded in breaking Giri’s resistance.
The outcome was Sevian’s first win of the match and got here at some point after his loss to Vachier-Lagrave. Giri, who had drawn his first two video games, suffered his first defeat of the occasion.

It was a prolonged battle between Sam Sevian and Anish Giri | Photograph: Lennart Ootes