USCF player statistics

Seo, Ian Ferenc

USCF 16752738IllinoisUpdated: Nov 2026

US Chess membership expired on March 31, 2025. Published rating history is still shown below.

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Rating format

Regular rating

1,5250 since Oct 2026

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

Nov 20261,525 Regular
Dec 2025: 1525Jan 2026: 1525Feb 2026: 1525Mar 2026: 1525Apr 2026: 1525May 2026: 1525Jun 2026: 1525Jul 2026: 1525Aug 2026: 1525Sep 2026: 1525Oct 2026: 1525Nov 2026: 1525
Dec 2025Nov 2026
12 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -297 Quick vs Regular

    No national baseline for this rating band yet.

  • -161 Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

  • +35 Online Blitz vs Regular (provisional)

    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 Seo, Ian Ferenc
MonthRegularQuickBlitzOnline Blitz
Nov 20261,525no change1,228no change1,364 Pno change · 16 games1,560 P-1 · 24 games
Oct 20261,525no change1,228no change1,364 Pno change · 16 games1,561 Pno change · 24 games
Sep 20261,525no change1,228no change1,364 Pno change · 16 games1,561 P+1 · 24 games
Aug 20261,525no change1,228no change1,364 Pno change · 16 games1,560 Pno change · 24 games
Jul 20261,525no change1,228no change1,364 Pno change · 16 games1,560 Pno change · 24 games
Jun 20261,525no change1,228no change1,364 Pno change · 16 games1,560 Pno change · 24 games
May 20261,525no change1,228no change1,364 Pno change · 16 games1,560 Pno change · 24 games
Apr 20261,525no change1,228no change1,364 Pno change · 16 games1,560 Pno change · 24 games
Mar 20261,525no change1,228no change1,364 Pno change · 16 games1,560 Pno change · 24 games
Feb 20261,525no change1,228no change1,364 Pno change · 16 games1,560 Pno change · 24 games
Jan 20261,525no change1,228no change1,364 Pno change · 16 games1,560 Pno change · 24 games
Dec 20251,5251,2281,364 P16 games1,560 P24 games
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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.