USCF player statistics

Duda, Jan-Krzysztof

USCF 16978565Updated: Nov 2026

US Chess membership expired on December 31, 2024. Published rating history is still shown below.

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Rating format

Regular rating

2,795

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

Nov 20262,795 provisional
Dec 2025: 2795 provisionalJan 2026: 2795 provisionalFeb 2026: 2795 provisionalMar 2026: 2795 provisionalApr 2026: 2795 provisionalMay 2026: 2795 provisionalJun 2026: 2795 provisionalJul 2026: 2795 provisionalAug 2026: 2795 provisionalSep 2026: 2795 provisionalOct 2026: 2795 provisionalNov 2026: 2795 provisional
Dec 2025Nov 2026
12 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -13 Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • +11 Blitz 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
—
No drop between published updates yet
Longest rise
—
No consecutive gains yet
Current run
11 updates
Unchanged since Dec 2025
Typical move
±0
Mean absolute change; spread ±0

Published ratings by month

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

Monthly USCF ratings for Duda, Jan-Krzysztof
MonthRegularQuickBlitz
Nov 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Oct 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Sep 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Aug 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Jul 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Jun 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
May 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Apr 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Mar 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Feb 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Jan 20262,795 Pno change · 20 games2,782 Pno change · 22 games2,806no change
Dec 20252,795 P20 games2,782 P22 games2,806
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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.