USCF player statistics

Mazur, Teddy

USCF 31471910MissouriUpdated: Oct 2026
Official US Chess record

Enter an 8-digit USCF ID, or at least 3 letters of a name. Similar names in MO appear first.

Gender
Male
FIDE
FIDE 39998789
US Chess reported rank
#10,673 national · #176 in state
Floor
Regular 1,400 · Quick 1,400 · Blitz 1,200

US Chess record as of Sep 16, 2026

Find USCF-rated tournamentsBrowse upcoming events and entry requirements.
Rating format

Regular rating

1,657+71 since Sep 2026

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

Oct 20261,657 Regular
Dec 2025: 1338Jan 2026: 1354Feb 2026: 1432Mar 2026: 1508Apr 2026: 1544May 2026: 1512Jun 2026: 1571Jul 2026: 1513Aug 2026: 1518Sep 2026: 1586Oct 2026: 1657
Dec 2025Oct 2026
11 updates in this window · +319 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -24 Quick vs Regular

    Typical for 1,600–1,699 regular players: -119 (middle half -202 to -59, 2,135 established members). This gap is above the typical range.

  • -164 Blitz vs Regular

    Typical for 1,600–1,699 regular players: -208 (middle half -334 to -84, 934 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+78
Jan 2026 to Feb 2026
Biggest drop
-58
Jun 2026 to Jul 2026
Longest rise
4 updates
+206 from Dec 2025 to Apr 2026
Updates that moved
10 of 10
Latest +71, Sep 2026 to Oct 2026
Typical move
±50
Mean absolute change; spread ±48.1

Regular rating in context

Oct 2026 update

United States

#11,911of 82,596 rated members · higher than 85.5%

70,659 lower · 27 same rating · 11,910 higher · ties share a rank

Missouri

#191of 1,328 rated members · higher than 85.5%

1,136 lower · 2 same rating · 190 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 6,463 within 100 points of 1,657 (this player included)

Player · 1,657
01,4502,900

1,650–1,699: 1,463 members (1.7%) · highlighted band is the player’s · dashed line is the target

87% below 1,700 (71,896 of 82,596; 85.5% below 1,657)

Percentile over time · United States

85.5% higher than · Oct 2026 · rank #11,911 of 82,596

Since Dec 2025
+13 pts

Dec 2025: higher than 72.5% (rank 22,264 of 81,102)Jan 2026: higher than 72.7% (rank 21,607 of 79,487)Feb 2026: higher than 76.3% (rank 19,850 of 83,940)Mar 2026: higher than 79.3% (rank 16,591 of 80,605)Apr 2026: higher than 80.9% (rank 15,351 of 80,831)May 2026: higher than 79.6% (rank 16,480 of 81,236)Jun 2026: higher than 82.3% (rank 14,653 of 83,290)Jul 2026: higher than 80.1% (rank 16,413 of 82,736)Aug 2026: higher than 80.3% (rank 16,320 of 83,080)Sep 2026: higher than 82.8% (rank 14,343 of 83,635)Oct 2026: higher than 85.5% (rank 11,911 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 Missouri 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 Mazur, Teddy
MonthRegularQuickBlitz
Oct 20261,657+711,633+371,493+166
Sep 20261,586+681,596+811,327+176
Aug 20261,518+51,515-401,151no change
Jul 20261,513-581,555no change1,151no change
Jun 20261,571+591,555+1111,151+1
May 20261,512-321,444-211,150no change
Apr 20261,544+361,465+21,150-44
Mar 20261,508+761,463+471,194no change
Feb 20261,432+781,416+661,194no change
Jan 20261,354+161,350+61,194no change
Dec 20251,3381,3441,194
Chess67 DiscordChat with the Chess67 community.Open Find a chess tournamentUpcoming events near you.Browse Find a chess clubClubs and meetups near you.Browse

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.