USCF player statistics
Corthell, Ryan Kirwan
Official US Chess recordRegular rating
157
Provisional rating
Regular rating in context
United States
Among 83,635 rated members; tied ratings share a rank.
Higher than 8.3% of ratings in this population.
Massachusetts
Among 1,677 rated members; tied ratings share a rank.
Higher than 4.6% of ratings in this population.
Calculated from the Sep 2026 supplement, using the same population as Chess67’s USCF statistics: US members classified as active by the supplement rules, excluding lifetime-coded records. Includes provisional ratings. These are Chess67 calculations, not official US Chess rankings.
Published ratings by supplement
All available formats. P indicates a provisional rating.
| Supplement | Regular | Quick |
|---|---|---|
| Sep 2026 | 157 P | 144 P |
| Aug 2026 | 157 P | 144 P |
| Jul 2026 | 157 P | 144 P |
| Jun 2026 | 157 P | 144 P |
| May 2026 | 157 P | 144 P |
| Apr 2026 | 157 P | 144 P |
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