USCF player statistics

Karafelis, William

USCF 15457568MassachusettsUpdated: Dec 2025

US Chess membership expired on December 31, 2021. Published rating history is still shown below.

Join / Renew USCF
Official US Chess record

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

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

Regular rating

1,587

Published rating · Dec 2025 · 1 published update since Dec 2025

Dec 20251,587 Regular
Dec 2025: 1587
Dec 2025
1 update in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -264 Quick vs Regular

    No national baseline for this rating band yet.

Published ratings by month

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

Monthly USCF ratings for Karafelis, William
MonthRegularQuick
Dec 20251,5871,323
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.