USCF player statistics
Tiemann, Duane
Official US Chess record- FIDE
- FIDE 0
Regular rating
Published rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
-42 Quick vs Regular
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +88
- Mar 2026 to Apr 2026
- Biggest drop
- -58
- Jan 2026 to Feb 2026
- Longest rise
- 2 updates
- +117 from Feb 2026 to Apr 2026
- Updates that moved
- 9 of 9
- Latest +43, Aug 2026 to Sep 2026
- Typical move
- ±39
- Mean absolute change; spread ±46
Regular rating in context
United States
#32,820of 83,635 rated members · higher than 60.7%
50,780 lower · 36 same rating · 32,819 higher · ties share a rank
New York
#3,553of 9,415 rated members · higher than 62.2%
5,861 lower · 2 same rating · 3,552 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 7,743 within 100 points of 1,052 (this player included)
1,050–1,099: 1,855 members (2.2%) · highlighted band is the player’s · dashed line is the target
62.8% below 1,100 (52,555 of 83,635; 60.7% below 1,052)
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 | 1,052+43 | 1,010+38 |
| Aug 2026 | 1,009-32 | 972-34 |
| Jul 2026 | 1,041-8 | 1,006-1 |
| Jun 2026 | 1,049+31 | 1,007+27 |
| May 2026 | 1,018-33 | 980-34 |
| Apr 2026 | 1,051+88 | 1,014+83 |
| Mar 2026 | 963+29 | 931+30 |
| Feb 2026 | 934-58 | 901-56 |
| Jan 2026 | 992+29 | 957+28 |
| Dec 2025 | 963 | 929 |