USCF player statistics

O'Neill, Ciaran Jgm

USCF 16791768IllinoisUpdated: Jun 2026

US Chess membership expired on June 30, 2023. Published rating history is still shown below.

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Rating format

Regular rating

1,335

Provisional rating · Jun 2026 · 7 published updates since Dec 2025

Jun 20261,335 provisional
Dec 2025: 1335 provisionalJan 2026: 1335 provisionalFeb 2026: 1335 provisionalMar 2026: 1335 provisionalApr 2026: 1335 provisionalMay 2026: 1335 provisionalJun 2026: 1335 provisional
Dec 2025Jun 2026
7 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • +23 Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • +236 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
6 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 O'Neill, Ciaran Jgm
MonthRegularQuickOnline Blitz
Jun 20261,335 Pno change · 9 games1,358 Pno change · 8 games1,571 Pno change · 7 games
May 20261,335 Pno change · 9 games1,358 Pno change · 8 games1,571 Pno change · 7 games
Apr 20261,335 Pno change · 9 games1,358 Pno change · 8 games1,571 Pno change · 7 games
Mar 20261,335 Pno change · 9 games1,358 Pno change · 8 games1,571 Pno change · 7 games
Feb 20261,335 Pno change · 9 games1,358 Pno change · 8 games1,571 Pno change · 7 games
Jan 20261,335 Pno change · 9 games1,358 Pno change · 8 games1,571 Pno change · 7 games
Dec 20251,335 P9 games1,358 P8 games1,571 P7 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.