USCF player statistics

Cozianu, Costin

USCF 12869121WashingtonUpdated: Nov 2026

US Chess membership expired on July 31, 2025. 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 WA appear first.

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

Regular rating

2,3960 since Oct 2026

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

Nov 20262,396 Regular
Dec 2025: 2398Jan 2026: 2398Feb 2026: 2398Mar 2026: 2398Apr 2026: 2398May 2026: 2398Jun 2026: 2398Jul 2026: 2398Aug 2026: 2396Sep 2026: 2396Oct 2026: 2396Nov 2026: 2396
Dec 2025Nov 2026
12 updates in this window · -2 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
—
No gain between published updates yet
Biggest drop
-2
Jul 2026 to Aug 2026
Longest rise
—
No consecutive gains yet
Current run
3 updates
Unchanged since Aug 2026
Typical move
±0
Mean absolute change; spread ±0.6

Published ratings by month

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

Monthly USCF ratings for Cozianu, Costin
MonthRegular
Nov 20262,396no change
Oct 20262,396no change
Sep 20262,396no change
Aug 20262,396-2
Jul 20262,398no change
Jun 20262,398no change
May 20262,398no change
Apr 20262,398no change
Mar 20262,398no change
Feb 20262,398no change
Jan 20262,398no change
Dec 20252,398
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.