USCF player statistics
Castillo, Maria
Official US Chess recordRegular rating
Provisional rating · Sep 2026 · 6 published updates since Apr 2026
Other formats against Regular
-44 Quick vs Regular (provisional)
No national baseline for this rating band yet.
-30 Blitz vs Regular (provisional)
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +31
- Apr 2026 to May 2026
- Biggest drop
- -1
- May 2026 to Jun 2026
- Longest rise
- 1 update
- +31 from Apr 2026 to May 2026
- Current run
- 3 updates
- Unchanged since Jun 2026
- Typical move
- ±6
- Mean absolute change; spread ±14
Regular rating in context
United States
#61,429of 83,635 rated members · higher than 26.4%
22,161 lower · 46 same rating · 61,428 higher · ties share a rank
Illinois
#3,091of 4,678 rated members · higher than 33.8%
1,584 lower · 4 same rating · 3,090 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 10,948 within 100 points of 452 (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; 26.4% below 452)
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 | Blitz |
|---|---|---|---|
| Sep 2026 | 452 Pno change · 11 games | 408 Pno change · 4 games | 422 Pno change · 20 games |
| Aug 2026 | 452 Pno change · 11 games | 408 Pno change · 4 games | 422 Pno change · 20 games |
| Jul 2026 | 452 Pno change · 11 games | 408 Pno change · 4 games | 422 Pno change · 20 games |
| Jun 2026 | 452 P-1 · 11 games | 408 Pno change · 4 games | 422 Pno change · 20 games |
| May 2026 | 453 P+31 · 11 games | 408 Pno change · 4 games | 422 P20 games |
| Apr 2026 | 422 P4 games | 408 P4 games | — |