USCF player statistics
De Groot, Tim C
- Gender
- Male
- FIDE
- FIDE 0
- US Chess reported rank
- #22,363 national · #446 in state
- Floor
- Regular 150 · Quick 118
US Chess record as of Sep 15, 2026
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +36
- Aug 2026 to Sep 2026
- Biggest drop
- -28
- May 2026 to Jun 2026
- Longest rise
- 1 update
- +36 from Aug 2026 to Sep 2026
- Current run
- 2 updates
- Unchanged since Sep 2026
- Typical move
- ±6
- Mean absolute change; spread ±14.4
Regular rating in context
United States
#29,304of 83,032 rated members · higher than 64.6%
53,692 lower · 37 same rating · 29,303 higher · ties share a rank
Michigan
#645of 1,912 rated members · higher than 66.2%
1,267 lower · 1 same rating · 644 higher · ties share a rank
Where this rating sits · United States
83,032 rated members in 50-point bands · median 850–899 · 7,234 within 100 points of 1,156 (this player included)
1,150–1,199: 1,664 members (2%) · highlighted band is the player’s · dashed line is the target
66.4% below 1,200 (55,152 of 83,032; 64.6% below 1,156)
Percentile over time · United States
64.6% higher than · Nov 2026 · rank #29,304 of 83,032
Since Dec 2025
0 pts
How these comparisons are calculated
Chess67 calculations from the Nov 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 |
|---|---|---|
| Nov 2026 | 1,156no change | 1,059no change |
| Oct 2026 | 1,156no change | 1,059no change |
| Sep 2026 | 1,156+36 | 1,059no change |
| Aug 2026 | 1,120no change | 1,059no change |
| Jul 2026 | 1,120no change | 1,059no change |
| Jun 2026 | 1,120-28 | 1,059no change |
| May 2026 | 1,148no change | 1,059no change |
| Apr 2026 | 1,148no change | 1,059no change |
| Mar 2026 | 1,148no change | 1,059no change |
| Feb 2026 | 1,148no change | 1,059no change |
| Jan 2026 | 1,148no change | 1,059no change |
| Dec 2025 | 1,148 | 1,059 |