USCF player statistics
Linden, Ptolemy
Official US Chess record- FIDE
- FIDE 0
Regular rating
Published rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
-51 Quick vs Regular (provisional)
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +19
- Jul 2026 to Aug 2026
- Biggest drop
- —
- No drop between published updates yet
- Longest rise
- 1 update
- +19 from Jul 2026 to Aug 2026
- Current run
- 1 update
- Unchanged since Aug 2026
- Typical move
- ±2
- Mean absolute change; spread ±6.3
Regular rating in context
United States
#22,110of 83,635 rated members · higher than 73.5%
61,493 lower · 33 same rating · 22,109 higher · ties share a rank
California
#2,649of 9,051 rated members · higher than 70.6%
6,395 lower · 8 same rating · 2,648 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 6,922 within 100 points of 1,356 (this player included)
1,350–1,399: 1,636 members (1.9%) · highlighted band is the player’s · dashed line is the target
75.2% below 1,400 (62,933 of 83,635; 73.5% below 1,356)
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 | 1,356no change | 1,305 Pno change · 20 games |
| Aug 2026 | 1,356+19 | 1,305 Pno change · 20 games |
| Jul 2026 | 1,337no change | 1,305 Pno change · 20 games |
| Jun 2026 | 1,337no change | 1,305 Pno change · 20 games |
| May 2026 | 1,337no change | 1,305 Pno change · 20 games |
| Apr 2026 | 1,337no change | 1,305 Pno change · 20 games |
| Mar 2026 | 1,337no change | 1,305 Pno change · 20 games |
| Feb 2026 | 1,337no change | 1,305 Pno change · 20 games |
| Jan 2026 | 1,337no change | 1,305 Pno change · 20 games |
| Dec 2025 | 1,337 | 1,305 P20 games |