USCF player statistics

Zou, Andrew

USCF 30100762CaliforniaUpdated: Oct 2026
Official US Chess record

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Gender
Male
FIDE
FIDE 30992885
US Chess reported rank
#3,793 national · #249 in state
Floor
Regular 1,800 · Quick 1,600 · Blitz 100 · Online Regular 1,400 · Online Quick 1,600 · Online Blitz 1,600
Rated games
Blitz 20

US Chess record as of Sep 15, 2026

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Rating format

Regular rating

1,919+11 since Sep 2026

Published rating · Oct 2026 · 11 published updates since Dec 2025

Oct 20261,919 Regular
Dec 2025: 1908Jan 2026: 1908Feb 2026: 1904Mar 2026: 1900Apr 2026: 1903May 2026: 1916Jun 2026: 1926Jul 2026: 1926Aug 2026: 1918Sep 2026: 1908Oct 2026: 1919
Dec 2025Oct 2026
11 updates in this window · +11 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity
Overlays their published ratings on the chart; the link keeps the comparison.

Other formats against Regular

  • -258 Quick vs Regular

    Typical for 1,900–1,999 regular players: -144 (middle half -232 to -83, 1,419 established members). This gap is below the typical range.

  • -490 Blitz vs Regular (provisional)

    Typical for 1,900–1,999 regular players: -221 (middle half -329 to -99, 908 established members). This gap is below the typical range.

  • -316 Online Regular vs Regular

    Typical for 1,900–1,999 regular players: -460 (middle half -657 to -272, 275 established members). This gap is within the typical range.

  • -248 Online Quick vs Regular

    Typical for 1,900–1,999 regular players: -398 (middle half -687 to -210, 245 established members). This gap is within the typical range.

  • -165 Online Blitz vs Regular

    Typical for 1,900–1,999 regular players: -172 (middle half -276 to -72, 227 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+13
Apr 2026 to May 2026
Biggest drop
-10
Aug 2026 to Sep 2026
Longest rise
3 updates
+26 from Mar 2026 to Jun 2026
Updates that moved
8 of 10
Latest +11, Sep 2026 to Oct 2026
Typical move
±6
Mean absolute change; spread ±8

Regular rating in context

Oct 2026 update

United States

#4,635of 82,596 rated members · higher than 94.3%

77,943 lower · 19 same rating · 4,634 higher · ties share a rank

California

#659of 9,083 rated members · higher than 92.7%

8,422 lower · 3 same rating · 658 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 4,219 within 100 points of 1,919 (this player included)

Player · 1,919
01,4502,900

1,900–1,949: 1,142 members (1.3%) · highlighted band is the player’s · dashed line is the target

95% below 1,950 (78,534 of 82,596; 94.3% below 1,919)

Percentile over time · United States

94.3% higher than · Oct 2026 · rank #4,635 of 82,596

Since Dec 2025
+0.3 pts

Dec 2025: higher than 94% (rank 4,789 of 81,102)Jan 2026: higher than 94% (rank 4,740 of 79,487)Feb 2026: higher than 93.9% (rank 5,016 of 83,940)Mar 2026: higher than 93.6% (rank 4,972 of 80,605)Apr 2026: higher than 93.9% (rank 4,896 of 80,831)May 2026: higher than 94.2% (rank 4,641 of 81,236)Jun 2026: higher than 94.6% (rank 4,473 of 83,290)Jul 2026: higher than 94.6% (rank 4,415 of 82,736)Aug 2026: higher than 94.4% (rank 4,587 of 83,080)Sep 2026: higher than 94.2% (rank 4,823 of 83,635)Oct 2026: higher than 94.3% (rank 4,635 of 82,596)
Dec 2025Oct 2026
Each month against that month’s active pool, so pool growth and rating drift both count.
How these comparisons are calculated

Chess67 calculations from the Oct 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.

United States statistics California statistics

Published ratings by month

P marks a provisional rating; the small figure is the change since the previous published observation.

Monthly USCF ratings for Zou, Andrew
MonthRegularQuickBlitzOnline RegularOnline QuickOnline Blitz
Oct 20261,919+111,661+51,429 Pno change · 20 games1,603no change1,671no change1,754no change
Sep 20261,908-101,656-81,429 Pno change · 20 games1,603no change1,671no change1,754no change
Aug 20261,918-81,664-61,429 Pno change · 20 games1,603no change1,671no change1,754no change
Jul 20261,926no change1,670no change1,429 Pno change · 20 games1,603no change1,671no change1,754no change
Jun 20261,926+101,670+191,429 Pno change · 20 games1,603no change1,671no change1,754no change
May 20261,916+131,651+111,429 Pno change · 20 games1,603no change1,671no change1,754no change
Apr 20261,903+31,640-11,429 Pno change · 20 games1,603no change1,671no change1,754no change
Mar 20261,900-41,641no change1,429 Pno change · 20 games1,603no change1,671no change1,754no change
Feb 20261,904-41,641-31,429 Pno change · 20 games1,603no change1,671no change1,754no change
Jan 20261,908no change1,644no change1,429 Pno change · 20 games1,603no change1,671no change1,754no change
Dec 20251,9081,6441,429 P20 games1,6031,6711,754
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About these statistics. Built from the monthly USCF rating updates available to Chess67. Ratings change between publications, and a missing month is not inactivity. The official US Chess record has current ratings and tournament history.