USCF player statistics

Zhang, Bob

USCF 17003495CaliforniaUpdated: Nov 2026
Official US Chess record

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Gender
Male
FIDE
FIDE 39965767
US Chess reported rank
#9,997 national · #604 in state
Floor
Regular 1,400 · Quick 1,200 · Blitz 127 · Online Regular 1,200 · Online Quick 100
Rated games
Blitz 18 · Online Quick 23

US Chess record as of Sep 15, 2026

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Rating format

Regular rating

1,6080 since Oct 2026

Published rating · Nov 2026 · 12 published updates since Dec 2025

Nov 20261,608 Regular
Dec 2025: 1464Jan 2026: 1464Feb 2026: 1464Mar 2026: 1454Apr 2026: 1454May 2026: 1544Jun 2026: 1544Jul 2026: 1556Aug 2026: 1607Sep 2026: 1607Oct 2026: 1608Nov 2026: 1608
Dec 2025Nov 2026
12 updates in this window · +144 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -128 Quick vs Regular

    Typical for 1,600–1,699 regular players: -121 (middle half -201 to -59, 2,187 established members). This gap is within the typical range.

  • -312 Blitz vs Regular (provisional)

    Typical for 1,600–1,699 regular players: -212 (middle half -343 to -86, 956 established members). This gap is within the typical range.

  • -234 Online Regular vs Regular

    Typical for 1,600–1,699 regular players: -390 (middle half -582 to -194, 264 established members). This gap is within the typical range.

  • -595 Online Quick vs Regular (provisional)

    Typical for 1,600–1,699 regular players: -324 (middle half -583 to -137, 266 established members). This gap is below the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+90
Apr 2026 to May 2026
Biggest drop
-10
Feb 2026 to Mar 2026
Longest rise
2 updates
+63 from Jun 2026 to Aug 2026
Current run
1 update
Unchanged since Oct 2026
Typical move
±15
Mean absolute change; spread ±30.1

Regular rating in context

Nov 2026 update

United States

#13,582of 83,032 rated members · higher than 83.5%

69,411 lower · 40 same rating · 13,581 higher · ties share a rank

California

#1,786of 9,288 rated members · higher than 80.7%

7,496 lower · 7 same rating · 1,785 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 6,761 within 100 points of 1,608 (this player included)

Player · 1,608
01,4252,850

1,600–1,649: 1,873 members (2.2%) · highlighted band is the player’s · dashed line is the target

85.2% below 1,650 (70,791 of 83,032; 83.5% below 1,608)

Percentile over time · United States

83.5% higher than · Nov 2026 · rank #13,582 of 83,032

Since Dec 2025
+5.9 pts

Dec 2025: higher than 77.6% (rank 18,104 of 81,102)Jan 2026: higher than 77.3% (rank 17,983 of 79,487)Feb 2026: higher than 77.6% (rank 18,736 of 83,940)Mar 2026: higher than 76.9% (rank 18,508 of 80,605)Apr 2026: higher than 77.1% (rank 18,423 of 80,831)May 2026: higher than 80.9% (rank 15,439 of 81,236)Jun 2026: higher than 81.3% (rank 15,519 of 83,290)Jul 2026: higher than 81.7% (rank 15,034 of 82,736)Aug 2026: higher than 83.8% (rank 13,359 of 83,080)Sep 2026: higher than 83.8% (rank 13,471 of 83,635)Oct 2026: higher than 83.6% (rank 13,492 of 82,596)Nov 2026: higher than 83.5% (rank 13,582 of 83,032)
Dec 2025Nov 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 Nov 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 Zhang, Bob
MonthRegularQuickBlitzOnline RegularOnline Quick
Nov 20261,608no change1,480no change1,296 Pno change · 18 games1,374+31,013 Pno change · 23 games
Oct 20261,608+11,480no change1,296 Pno change · 18 games1,371-111,013 Pno change · 23 games
Sep 20261,607no change1,480no change1,296 Pno change · 18 games1,382+1061,013 Pno change · 23 games
Aug 20261,607+511,480+411,296 Pno change · 18 games1,276+221,013 Pno change · 23 games
Jul 20261,556+121,439+21,296 Pno change · 18 games1,254-141,013 Pno change · 23 games
Jun 20261,544no change1,437no change1,296 Pno change · 18 games1,268-1291,013 Pno change · 23 games
May 20261,544+901,437+1051,296 Pno change · 18 games1,397+181,013 Pno change · 23 games
Apr 20261,454no change1,332no change1,296 Pno change · 18 games1,379+21,013 Pno change · 23 games
Mar 20261,454-101,332-81,296 Pno change · 18 games1,377-471,013 Pno change · 23 games
Feb 20261,464no change1,340no change1,296 Pno change · 18 games1,424+181,013 Pno change · 23 games
Jan 20261,464no change1,340no change1,296 Pno change · 18 games1,406+391,013 Pno change · 23 games
Dec 20251,4641,3401,296 P18 games1,3671,013 P23 games
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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.