USCF player statistics

Meresak, William

USCF 30854126MissouriLatest monthly rating update: Sep 2026

Chess67 DiscordChat with the Chess67 community.Open Find a chess tournamentUpcoming events near you.Browse Find a chess clubClubs and meetups near you.Browse

Regular rating

612-1 since Aug 2026

Published rating · Sep 2026 · 10 published updates since Dec 2025

Sep 2026612 Regular

Compare format

Dec 2025Sep 2026

10 updates in this window · -1 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Compare with another playerOverlays their published ratings on the chart; the link keeps the comparison.

Other formats against Regular

+12 Quick vs Regular
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: -1; Aug 2026 to Sep 2026
Longest rise: —; No consecutive gains yet
Updates that moved: 1 of 9; Latest -1, Aug 2026 to Sep 2026
Typical move: ±0; Mean absolute change; spread ±0.3

Regular rating in context

Sep 2026 update

United States

36.8%of the comparison population has a lower rating.

30,858 lower · 48 same rating · 52,729 higher

Missouri

34.5%of the comparison population has a lower rating.

475 lower · 0 same rating · 898 higher

Where this rating sits · United States

83,635 rated members in 50-point bands · median 800–849 · 10,522 within 100 points of 612

Player · 612

01,4502,900

600–649: 2,641 members (3.1%) · highlighted band is the player’s · dashed line is the target

Target 650

39.2% below 650 (32,836 of 83,635; 36.8% below 612)

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: it is a rating comparison, not a prediction of future rank. This player is outside that comparison population; no membership rank is assigned.

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 Meresak, William
Month	Regular	Quick
Sep 2026	612-1	624no change
Aug 2026	613no change	624-1
Jul 2026	613no change	625no change
Jun 2026	613no change	625no change
May 2026	613no change	625no change
Apr 2026	613no change	625+1
Mar 2026	613no change	624no change
Feb 2026	613no change	624no change
Jan 2026	613no change	624no change
Dec 2025	613	624