USCF player statistics
Gilmartin, Stellan Magnus
Official US Chess record- FIDE
- FIDE 39998983
Regular rating
Published rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
-190 Quick vs Regular
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +37
- Jul 2026 to Aug 2026
- Biggest drop
- -36
- Mar 2026 to Apr 2026
- Longest rise
- 1 update
- +37 from Jul 2026 to Aug 2026
- Updates that moved
- 7 of 9
- Latest -4, Aug 2026 to Sep 2026
- Typical move
- ±17
- Mean absolute change; spread ±22.5
Regular rating in context
United States
#13,640of 83,635 rated members · higher than 83.6%
69,955 lower · 41 same rating · 13,639 higher · ties share a rank
New York
#1,440of 9,415 rated members · higher than 84.6%
7,970 lower · 6 same rating · 1,439 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 6,701 within 100 points of 1,602 (this player included)
1,600–1,649: 1,832 members (2.1%) · highlighted band is the player’s · dashed line is the target
85.5% below 1,650 (71,512 of 83,635; 83.6% below 1,602)
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 | 1,602-4 | 1,412no change |
| Aug 2026 | 1,606+37 | 1,412no change |
| Jul 2026 | 1,569-32 | 1,412+10 |
| Jun 2026 | 1,601-19 | 1,402-8 |
| May 2026 | 1,620no change | 1,410no change |
| Apr 2026 | 1,620-36 | 1,410-20 |
| Mar 2026 | 1,656+12 | 1,430+52 |
| Feb 2026 | 1,644-14 | 1,378no change |
| Jan 2026 | 1,658no change | 1,378no change |
| Dec 2025 | 1,658 | 1,378 |