USCF player statistics
Day, Jeff L
US Chess membership expired on August 31, 2026. Published rating history is still shown below.
Join / Renew USCFRegular rating
1,4760 since Sep 2026
Published rating · Oct 2026 · 11 published updates since Dec 2025
Oct 20261,476 Regular
Dec 2025Oct 2026
Other formats against Regular
+44 Quick vs Regular (provisional)
No national baseline for this rating band yet.
-71 Online Regular vs Regular (provisional)
No national baseline for this rating band yet.
-127 Online Quick vs Regular
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
- -44
- Jun 2026 to Jul 2026
- Longest rise
- —
- No consecutive gains yet
- Current run
- 3 updates
- Unchanged since Jul 2026
- Typical move
- ±4
- Mean absolute change; spread ±13.9
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 | Online Quick |
|---|---|---|---|---|
| Oct 2026 | 1,476no change | 1,520 Pno change · 15 games | 1,405 Pno change · 21 games | 1,349-46 |
| Sep 2026 | 1,476no change | 1,520 Pno change · 15 games | 1,405 Pno change · 21 games | 1,395 P-10 · 22 games |
| Aug 2026 | 1,476no change | 1,520 Pno change · 15 games | 1,405 P21 games | 1,405 P18 games |
| Jul 2026 | 1,476-44 | 1,520 Pno change · 15 games | — | — |
| Jun 2026 | 1,520no change | 1,520 Pno change · 15 games | — | — |
| May 2026 | 1,520no change | 1,520 Pno change · 15 games | — | — |
| Apr 2026 | 1,520no change | 1,520 Pno change · 15 games | — | — |
| Mar 2026 | 1,520no change | 1,520 Pno change · 15 games | — | — |
| Feb 2026 | 1,520no change | 1,520 Pno change · 15 games | — | — |
| Jan 2026 | 1,520no change | 1,520 Pno change · 15 games | — | — |
| Dec 2025 | 1,520 | 1,520 P15 games | — | — |