USCF player statistics
Weaver, Mason
Official US Chess recordRegular rating
Provisional rating · Sep 2026 · 6 published updates since Apr 2026
Other formats against Regular
-4 Quick vs Regular (provisional)
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +1
- Apr 2026 to May 2026
- Biggest drop
- —
- No drop between published updates yet
- Longest rise
- 1 update
- +1 from Apr 2026 to May 2026
- Current run
- 4 updates
- Unchanged since May 2026
- Typical move
- ±0
- Mean absolute change; spread ±0.4
Regular rating in context
United States
#59,840of 83,635 rated members · higher than 28.3%
23,731 lower · 65 same rating · 59,839 higher · ties share a rank
Illinois
#2,981of 4,678 rated members · higher than 36.1%
1,691 lower · 7 same rating · 2,980 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 10,967 within 100 points of 481 (this player included)
450–499: 2,720 members (3.2%) · highlighted band is the player’s · dashed line is the target
29.6% below 500 (24,763 of 83,635; 28.3% below 481)
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 | 481 Pno change · 6 games | 477 Pno change · 6 games |
| Aug 2026 | 481 Pno change · 6 games | 477 Pno change · 6 games |
| Jul 2026 | 481 Pno change · 6 games | 477 Pno change · 6 games |
| Jun 2026 | 481 Pno change · 6 games | 477 Pno change · 6 games |
| May 2026 | 481 P+1 · 6 games | 477 Pno change · 6 games |
| Apr 2026 | 480 P6 games | 477 P6 games |
| Mar 2026 | — | — |
| Feb 2026 | — | — |