USCF player statistics
Sivurupitiya, Sehath Bandara
Official US Chess record- Biggest rank climb · #1 in Alabama (Quick)
- Biggest rank climb · #1 in Alabama (Regular)
- Fastest rising · #2 in Alabama (Quick)
- Fastest rising · #2 in Alabama (Regular)
- FIDE
- FIDE 0
Regular rating
Published rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
-39 Quick vs Regular
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +223
- Aug 2026 to Sep 2026
- Biggest drop
- -1
- Jan 2026 to Feb 2026
- Longest rise
- 2 updates
- +13 from Feb 2026 to Apr 2026
- Updates that moved
- 4 of 9
- Latest +223, Aug 2026 to Sep 2026
- Typical move
- ±26
- Mean absolute change; spread ±73.9
Regular rating in context
Alabama
#392of 611 rated members · higher than 35.8%
219 lower · 1 same rating · 391 higher · ties share a rank
United States
#51,151of 83,635 rated members · higher than 38.7%
32,426 lower · 59 same rating · 51,150 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 10,297 within 100 points of 642 (this player included)
600–649: 2,641 members (3.1%) · highlighted band is the player’s · dashed line is the target
39.2% below 650 (32,836 of 83,635; 38.7% below 642)
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 | 642+223 | 603+199 |
| Aug 2026 | 419no change | 404no change |
| Jul 2026 | 419no change | 404no change |
| Jun 2026 | 419no change | 404no change |
| May 2026 | 419no change | 404no change |
| Apr 2026 | 419+12 | 404+24 |
| Mar 2026 | 407 P+1 · 20 games | 380no change |
| Feb 2026 | 406 P-1 · 20 games | 380no change |
| Jan 2026 | 407 Pno change · 20 games | 380no change |
| Dec 2025 | 407 P20 games | 380 |