USCF player statistics
Chan, Opparam
Official US Chess recordRegular rating
Provisional rating · Sep 2026 · 6 published updates since Apr 2026
Other formats against Regular
-40 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
- Jun 2026 to Jul 2026
- Biggest drop
- -1
- Jul 2026 to Aug 2026
- Longest rise
- 1 update
- +1 from Jun 2026 to Jul 2026
- Current run
- 1 update
- Unchanged since Aug 2026
- Typical move
- ±0
- Mean absolute change; spread ±0.7
Regular rating in context
United States
#63,903of 83,635 rated members · higher than 23.5%
19,686 lower · 47 same rating · 63,902 higher · ties share a rank
Missouri
#1,073of 1,373 rated members · higher than 21.7%
298 lower · 3 same rating · 1,072 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 10,934 within 100 points of 407 (this player included)
400–449: 2,735 members (3.2%) · highlighted band is the player’s · dashed line is the target
26.3% below 450 (22,043 of 83,635; 23.5% below 407)
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 | 407 Pno change · 4 games | 367 Pno change · 4 games |
| Aug 2026 | 407 P-1 · 4 games | 367 Pno change · 4 games |
| Jul 2026 | 408 P+1 · 4 games | 367 Pno change · 4 games |
| Jun 2026 | 407 Pno change · 4 games | 367 Pno change · 4 games |
| May 2026 | 407 Pno change · 4 games | 367 Pno change · 4 games |
| Apr 2026 | 407 P4 games | 367 P4 games |