USCF player statistics
Ngo, William
Official US Chess record- FIDE
- FIDE 39964167
Regular rating
Published rating · Sep 2026 · 10 published updates since Dec 2025
Other formats against Regular
-10 Quick vs Regular
No national baseline for this rating band yet.
-509 Blitz vs Regular
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +72
- Jan 2026 to Feb 2026
- Biggest drop
- -76
- Jul 2026 to Aug 2026
- Longest rise
- 5 updates
- +273 from Dec 2025 to May 2026
- Updates that moved
- 9 of 9
- Latest +15, Aug 2026 to Sep 2026
- Typical move
- ±44
- Mean absolute change; spread ±49.7
Regular rating in context
United States
#11,234of 83,635 rated members · higher than 86.5%
72,371 lower · 31 same rating · 11,233 higher · ties share a rank
Arizona
#267of 1,686 rated members · higher than 84.1%
1,418 lower · 2 same rating · 266 higher · ties share a rank
Where this rating sits · United States
83,635 rated members in 50-point bands · median 800–849 · 6,314 within 100 points of 1,679 (this player included)
1,650–1,699: 1,441 members (1.7%) · highlighted band is the player’s · dashed line is the target
87.2% below 1,700 (72,953 of 83,635; 86.5% below 1,679)
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 | Blitz |
|---|---|---|---|
| Sep 2026 | 1,679+15 | 1,669+8 | 1,170+4 |
| Aug 2026 | 1,664-76 | 1,661-28 | 1,166no change |
| Jul 2026 | 1,740-20 | 1,689+1 | 1,166no change |
| Jun 2026 | 1,760-13 | 1,688-4 | 1,166no change |
| May 2026 | 1,773+50 | 1,692+64 | 1,166no change |
| Apr 2026 | 1,723+63 | 1,628+87 | 1,166no change |
| Mar 2026 | 1,660+19 | 1,541+49 | 1,166no change |
| Feb 2026 | 1,641+72 | 1,492+28 | 1,166no change |
| Jan 2026 | 1,569+69 | 1,464+38 | 1,166no change |
| Dec 2025 | 1,500 | 1,426 | 1,166 |