USCF player statistics
Czajka, Ronald
US Chess membership expired on October 31, 2026. Published rating history is still shown below.
Join / Renew USCFRegular rating
1,328-4 since Oct 2026
Published rating · Nov 2026 · 12 published updates since Dec 2025
Nov 20261,328 Regular
Dec 2025Nov 2026
Other formats against Regular
-426 Quick vs Regular (provisional)
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +152
- Dec 2025 to Jan 2026
- Biggest drop
- -29
- Mar 2026 to Apr 2026
- Longest rise
- 2 updates
- +214 from Dec 2025 to Feb 2026
- Updates that moved
- 7 of 11
- Latest -4, Oct 2026 to Nov 2026
- Typical move
- ±26
- Mean absolute change; spread ±50.4
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 | 1,328-4 | 902 P+78 · 20 games |
| Oct 2026 | 1,332no change | 824 Pno change · 15 games |
| Sep 2026 | 1,332+26 | 824 Pno change · 15 games |
| Aug 2026 | 1,306no change | 824 Pno change · 15 games |
| Jul 2026 | 1,306-16 | 824 Pno change · 15 games |
| Jun 2026 | 1,322+1 | 824 Pno change · 15 games |
| May 2026 | 1,321no change | 824 Pno change · 15 games |
| Apr 2026 | 1,321-29 | 824 Pno change · 15 games |
| Mar 2026 | 1,350no change | 824 Pno change · 15 games |
| Feb 2026 | 1,350+62 | 824 Pno change · 15 games |
| Jan 2026 | 1,288+152 | 824 Pno change · 15 games |
| Dec 2025 | 1,136 | 824 P15 games |