# Wesley So wins Sinquefield Cup after tie-break

> Live situation record from CLSTR: https://clstr.news/situations/sinquefield-cup-chess-tournament
> Updated: 2026-08-20T04:47:17.000Z. Sources: 16. Developments: 4.

The Sinquefield Cup, a Grand Chess Tour event in St. Louis, USA, began with Fabiano Caruana taking an early lead after being the sole winner of the opening round. 

By the fifth round, Wesley So emerged as the leader with 3.5 points. R Praggnanandhaa moved into joint second place with 3 points following a draw against So, joining Vincent Keymer, Fabiano Caruana, and Maxime Vachier-Lagrave in the pursuit of the lead.

In the sixth round, Wesley So maintained his sole lead with four points after drawing against Maxime Vachier-Lagrave. R Praggnanandhaa secured a draw against Levon Aronian, keeping him in joint second place with 3.5 points. He shares this position with Vachier-Lagrave and Vincent Keymer. Anish Giri was the only player to achieve a decisive victory in the sixth round, defeating Jorden van Foreest.

Following a final round where all games ended in draws, Wesley So and R Praggnanandhaa were tied for the lead with 5.5 points each. The tournament was decided by a series of tie-breaks. After two rapid games ended in draws, the match proceeded to an Armageddon tie-break. In a decisive rook endgame, So successfully defended his position with the black pieces to secure the necessary draw, clinching his third Sinquefield Cup title.

R Praggnanandhaa finished in second place. Vincent Keymer and Javokhir Sindarov shared third place with 5 points each, with Keymer securing a spot in the Grand Chess Tour final.

## Timeline

### 2026-08-20: Wesley So wins Sinquefield Cup after dramatic tie-break

Wesley So won the 2026 Sinquefield Cup after defeating R Praggnanandhaa in an Armageddon tie-break, marking his third victory at the Saint Louis tournament.

4 sources. https://clstr.news/cluster/wesley-so-wins-sinquefield-cup-after-dramatic-tie-break

### 2026-08-17: R Praggnanandhaa maintains joint second in Sinquefield Cup

R Praggnanandhaa remains in joint second place at the Sinquefield Cup after drawing with Levon Aronian, trailing leader Wesley So by half a point with three rounds left.

5 sources. https://clstr.news/cluster/r-praggnanandhaa-maintains-joint-second-in-sinquefield-cup

### 2026-08-14: R Praggnanandhaa draws with Wesley So in Sinquefield Cup

Indian Grandmaster R Praggnanandhaa remains a top contender in the Sinquefield Cup after drawing with leader Wesley So, keeping him in joint second place in the Grand Chess Tour event.

3 sources. https://clstr.news/cluster/r-praggnanandhaa-draws-with-wesley-so-in-sinquefield-cup

### 2026-08-11: Sinquefield Cup: Fabiano Caruana takes early lead in St. Louis

Fabiano Caruana took an early lead in the Sinquefield Cup after defeating Jorden Van Foreest, while R Praggnanandhaa and other top players played to draws in the opening round of the Grand Chess Tour event.

9 sources. https://clstr.news/cluster/fabiano-caruana-leads-opening-round-of-sinquefield-cup

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Cite as: Wesley So wins Sinquefield Cup after tie-break. CLSTR, https://clstr.news/situations/sinquefield-cup-chess-tournament