USCF player statistics
Fonseca, Jesiah
Official US Chess recordBlitz rating
639
Provisional rating
Blitz rating in context
United States
Among 19,355 rated members; tied ratings share a rank.
Higher than 15.6% of ratings in this population.
New Mexico
Among 180 rated members; tied ratings share a rank.
Higher than 17.2% 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 | Blitz |
|---|---|
| Sep 2026 | 639 P |
| Aug 2026 | 639 P |
| Jul 2026 | 639 P |
| Jun 2026 | 639 P |
| May 2026 | — |
| Apr 2026 | — |
| Mar 2026 | — |
| Feb 2026 | — |
| Jan 2026 | — |
| Dec 2025 | — |
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