USCF player statistics
Zeng, Kolbin
Official US Chess record- FIDE
- FIDE 0
Regular rating
Published rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
-18 Quick vs Regular
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +198
- Apr 2026 to May 2026
- Biggest drop
- -174
- May 2026 to Jun 2026
- Longest rise
- 2 updates
- +247 from Mar 2026 to May 2026
- Current run
- 1 update
- Unchanged since Aug 2026
- Typical move
- ±67
- Mean absolute change; spread ±106.3
Regular rating in context
United States
#37,848of 83,635 rated members · higher than 54.6%
45,739 lower · 49 same rating · 37,847 higher · ties share a rank
New York
#4,116of 9,415 rated members · higher than 56.1%
5,290 lower · 10 same rating · 4,115 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 8,520 within 100 points of 929 (this player included)
900–949: 2,108 members (2.5%) · highlighted band is the player’s · dashed line is the target
55.7% below 950 (46,667 of 83,635; 54.6% below 929)
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 | 929no change | 911no change |
| Aug 2026 | 929-37 | 911-37 |
| Jul 2026 | 966no change | 948no change |
| Jun 2026 | 966-174 | 948-174 |
| May 2026 | 1,140+198 | 1,122+201 |
| Apr 2026 | 942+49 | 921+52 |
| Mar 2026 | 893no change | 869no change |
| Feb 2026 | 893+144 | 869+133 |
| Jan 2026 | 749no change | 736no change |
| Dec 2025 | 749 | 736 |