USCF player statistics
Zha, Peter
Official US Chess recordRegular rating
Provisional rating · Sep 2026 · 7 published updates since Mar 2026
Other formats against Regular
+23 Quick 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
- —
- No drop between published updates yet
- Longest rise
- —
- No consecutive gains yet
- Current run
- 6 updates
- Unchanged since Mar 2026
- Typical move
- ±0
- Mean absolute change; spread ±0
Regular rating in context
United States
#69,147of 83,635 rated members · higher than 17.2%
14,445 lower · 44 same rating · 69,146 higher · ties share a rank
California
#7,691of 9,051 rated members · higher than 14.9%
1,357 lower · 4 same rating · 7,690 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 10,424 within 100 points of 310 (this player included)
300–349: 2,672 members (3.1%) · highlighted band is the player’s · dashed line is the target
19.8% below 350 (16,619 of 83,635; 17.2% below 310)
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 | 310 Pno change · 4 games | 333 Pno change · 4 games |
| Aug 2026 | 310 Pno change · 4 games | 333 P-1 · 4 games |
| Jul 2026 | 310 Pno change · 4 games | 334 Pno change · 4 games |
| Jun 2026 | 310 Pno change · 4 games | 334 Pno change · 4 games |
| May 2026 | 310 Pno change · 4 games | 334 Pno change · 4 games |
| Apr 2026 | 310 Pno change · 4 games | 334 P+1 · 4 games |
| Mar 2026 | 310 P4 games | 333 P4 games |
| Feb 2026 | — | — |