USCF player statistics
Mulderrig, Cian John
Official US Chess record- FIDE
- FIDE 0
Regular rating
Published rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
-35 Quick vs Regular
No national baseline for this rating band yet.
-26 Online Regular vs Regular (provisional)
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- —
- No gain between published updates yet
- Biggest drop
- -68
- Jan 2026 to Feb 2026
- Longest rise
- —
- No consecutive gains yet
- Current run
- 7 updates
- Unchanged since Feb 2026
- Typical move
- ±8
- Mean absolute change; spread ±22.7
Regular rating in context
United States
#40,080of 83,635 rated members · higher than 52%
43,515 lower · 41 same rating · 40,079 higher · ties share a rank
New York
#4,367of 9,415 rated members · higher than 53.5%
5,041 lower · 8 same rating · 4,366 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 8,862 within 100 points of 875 (this player included)
850–899: 2,189 members (2.6%) · highlighted band is the player’s · dashed line is the target
53.2% below 900 (44,559 of 83,635; 52% below 875)
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 | Online Regular |
|---|---|---|---|
| Sep 2026 | 875no change | 840no change | 849 Pno change · 16 games |
| Aug 2026 | 875no change | 840no change | 849 Pno change · 16 games |
| Jul 2026 | 875no change | 840no change | 849 Pno change · 16 games |
| Jun 2026 | 875no change | 840no change | 849 Pno change · 16 games |
| May 2026 | 875no change | 840no change | 849 Pno change · 16 games |
| Apr 2026 | 875no change | 840no change | 849 Pno change · 16 games |
| Mar 2026 | 875no change | 840no change | 849 Pno change · 16 games |
| Feb 2026 | 875-68 | 840-65 | 849 Pno change · 16 games |
| Jan 2026 | 943no change | 905no change | 849 Pno change · 16 games |
| Dec 2025 | 943 | 905 | 849 P16 games |