USCF player statistics
Stokes, Iona Delphine
Official US Chess recordQuick rating
Published rating · Sep 2026 · 4 published updates since Jun 2026
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +49
- Aug 2026 to Sep 2026
- Biggest drop
- -94
- Jul 2026 to Aug 2026
- Longest rise
- 1 update
- +49 from Aug 2026 to Sep 2026
- Updates that moved
- 3 of 3
- Latest +49, Aug 2026 to Sep 2026
- Typical move
- ±59
- Mean absolute change; spread ±78.4
Quick rating in context
United States
#59,449of 79,019 rated members · higher than 24.6%
19,510 lower · 61 same rating · 59,448 higher · ties share a rank
South Carolina
#729of 931 rated members · higher than 21.5%
201 lower · 2 same rating · 728 higher · ties share a rank
Where this rating sits · United States
79,019 rated members in 50-point bands · median 750–799 · 11,193 within 100 points of 397 (this player included)
350–399: 2,781 members (3.5%) · highlighted band is the player’s · dashed line is the target
24.9% below 400 (19,691 of 79,019; 24.6% below 397)
How these comparisons are calculated
Chess67 calculations from the Sep 2026 monthly rating update, using the same population as the USCF statistics pages: US members classified as active in the published monthly records, excluding lifetime-coded records, provisional ratings included. Ties share a rank; “lower” is strictly lower; national and state groups overlap. The target explorer keeps the population fixed, with this player at their recorded rating: it is a rating comparison, not a prediction of future rank.
Published ratings by month
P marks a provisional rating; the small figure is the change since the previous published observation.
| Month | Quick |
|---|---|
| Sep 2026 | 397+49 |
| Aug 2026 | 348 P-94 · 24 games |
| Jul 2026 | 442 P+33 · 18 games |
| Jun 2026 | 409 P6 games |