USCF player statistics
Chirchir, Jacob
Official US Chess record- Biggest rank climb · #34 in Wyoming (Quick)
- Biggest rank climb · #21 in Wyoming (Regular)
- Top rated · #49 in Wyoming (Quick)
- Top rated · #88 in Wyoming (Regular)
- FIDE
- FIDE 0
Regular rating
Provisional rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
-9 Quick vs Regular (provisional)
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- —
- No gain between published updates yet
- Biggest drop
- -25
- Feb 2026 to Mar 2026
- Longest rise
- —
- No consecutive gains yet
- Current run
- 6 updates
- Unchanged since Mar 2026
- Typical move
- ±3
- Mean absolute change; spread ±8.3
Regular rating in context
United States
#67,630of 83,635 rated members · higher than 19%
15,958 lower · 48 same rating · 67,629 higher · ties share a rank
Wyoming
#88of 119 rated members · higher than 26%
31 lower · 1 same rating · 87 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 10,638 within 100 points of 338 (this player included)
300–349: 2,672 members (3.1%) · highlighted band is the player’s · dashed line is the target
19.8% below 350 (16,619 of 83,635; 19% below 338)
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 | Regular | Quick |
|---|---|---|
| Sep 2026 | 338 Pno change · 17 games | 329 Pno change · 13 games |
| Aug 2026 | 338 Pno change · 17 games | 329 Pno change · 13 games |
| Jul 2026 | 338 Pno change · 17 games | 329 Pno change · 13 games |
| Jun 2026 | 338 Pno change · 17 games | 329 Pno change · 13 games |
| May 2026 | 338 Pno change · 17 games | 329 Pno change · 13 games |
| Apr 2026 | 338 Pno change · 17 games | 329 Pno change · 13 games |
| Mar 2026 | 338 P-25 · 17 games | 329 P13 games |
| Feb 2026 | 363 Pno change · 17 games | — |
| Jan 2026 | 363 Pno change · 11 games | — |
| Dec 2025 | 363 P11 games | — |