The American Cup 2026 - Open Champions Bracket
KnockoutStandard
8 players participated in this 8-round tournament, held from 03 Mar 2026 to 11 Mar 2026 in St. Louis, MO, United States. 8 titled players. Top 10 Elo average was 2712, and top seed was Fabiano Caruana (🇺🇸 USA, GM, 2795).
Wesley So (🇺🇸 USA, GM, 2753) won with 4.5/8, ahead of Fabiano Caruana (3.5) and Samuel Sevian (2.5). So took the lead from round 7.
Location
🇺🇸St. Louis, MO, United States
Dates
03 Mar 2026 → 11 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Knockout · 8 rounds
Titled players · 8
GM×8
Federations · 1 represented
🇺🇸United States of America×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsGM Wesley So led from R7; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.
Co-leaders
1
2
2
2
1
1
1
1
R7 · LEADER CHANGE10 Mar
GM Wesley So takes the sole lead (4.0/7).
HEAD-TO-HEAD · WINNER VS 2ND · 2 games
GM Wesley So 1.0–1.0 against GM Fabiano Caruana (R5 0-1, R6 1-0) — decisive in 2/2.
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMWesley So | * | 0 1 | ½ ½ | — |
| 2GMFabiano Caruana | 1 0 | * | — | ½ ½ |
| 3GMSamuel Sevian | ½ ½ | — | * | — |
| 4GMAwonder Liang | — | ½ ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | So, WesleyGM | 2753 | USA | =6B | =6N | =3B | =3N | −2N | +2B | +5B | =5N | 4.5 | 16.0 | 17.0 | 9.25 | 2759 | +1.0 |
| 2 | Caruana, FabianoGM | 2795 | USA | +7B | =7N | =4B | =4N | +1B | −1N | F | F | 3.5 | 14.0 | 14.0 | 7.25 | 2756 | -2.8 |
| 3 | Sevian, SamuelGM | 2688 | USA | =8N | +8B | =1N | =1B | F | F | F | F | 2.5 | 10.0 | 10.0 | 5.25 | 2841 | +8.2 |
| 4 | Liang, AwonderGM | 2714 | USA | =5N | =5B | =2N | =2B | F | F | F | F | 2.0 | 10.0 | 10.0 | 5.00 | 2762 | +2.6 |
| 5 | Aronian, LevonGM | 2729 | USA | =4B | =4N | F | F | F | F | −1N | =1B | 1.5 | 13.0 | 13.0 | 4.25 | 2647 | -4.8 |
| 6 | Robson, RayGM | 2650 | USA | =1N | =1B | F | F | F | F | F | F | 1.0 | 9.0 | 9.0 | 4.50 | 2753 | +2.8 |
| 7 | Mishra, AbhimanyuGM | 2629 | USA | −2N | =2B | F | F | F | F | F | F | 0.5 | 7.0 | 7.0 | 1.75 | 2602 | -0.6 |
| 8 | Dominguez Perez, LeinierGM | 2738 | USA | =3B | −3N | F | F | F | F | F | F | 0.5 | 5.0 | 5.0 | 1.25 | 2495 | -6.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Sevian, SamuelGMUSA+8.22.5 pts · #3
- 2Robson, RayGMUSA+2.81.0 pts · #6
- 3Liang, AwonderGMUSA+2.62.0 pts · #4
Top rating losers
- 1Dominguez Perez, LeinierGMUSA-6.40.5 pts · #7
- 2Aronian, LevonGMUSA-4.81.5 pts · #5
- 3Caruana, FabianoGMUSA-2.83.5 pts · #2