USCF player statistics
Peterson, Ellis
Official US Chess recordRegular rating
Provisional rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
+1 Quick vs Regular (provisional)
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +141
- Feb 2026 to Mar 2026
- Biggest drop
- —
- No drop between published updates yet
- Longest rise
- 3 updates
- +290 from Dec 2025 to Mar 2026
- Current run
- 6 updates
- Unchanged since Mar 2026
- Typical move
- ±32
- Mean absolute change; spread ±53
Regular rating in context
United States
#56,075of 83,635 rated members · higher than 32.8%
27,504 lower · 57 same rating · 56,074 higher · ties share a rank
Illinois
#2,747of 4,678 rated members · higher than 41.2%
1,930 lower · 2 same rating · 2,746 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 10,836 within 100 points of 550 (this player included)
550–599: 2,691 members (3.2%) · highlighted band is the player’s · dashed line is the target
36.1% below 600 (30,195 of 83,635; 32.8% below 550)
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 | 550 Pno change · 18 games | 551 Pno change · 18 games |
| Aug 2026 | 550 Pno change · 18 games | 551 Pno change · 18 games |
| Jul 2026 | 550 Pno change · 18 games | 551 Pno change · 18 games |
| Jun 2026 | 550 Pno change · 18 games | 551 Pno change · 18 games |
| May 2026 | 550 Pno change · 18 games | 551 Pno change · 18 games |
| Apr 2026 | 550 Pno change · 18 games | 551 Pno change · 18 games |
| Mar 2026 | 550 P+141 · 18 games | 551 P+142 · 18 games |
| Feb 2026 | 409 P+54 · 18 games | 409 P+55 · 18 games |
| Jan 2026 | 355 P+95 · 9 games | 354 P+94 · 9 games |
| Dec 2025 | 260 P5 games | 260 P5 games |