USCF player statistics

O'Connor, Ruairi

USCF 33193789OregonUpdated: Nov 2026
Official US Chess record

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

Gender
Male
US Chess reported rank
#53,154 national · #922 in state
Floor
Regular 120 · Quick 120
Rated games
Regular 11 · Quick 11

US Chess record as of Sep 18, 2026

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

Regular rating

438

Provisional rating · Nov 2026 · 4 published updates since Aug 2026

Nov 2026438 provisional
Aug 2026: 513 provisionalSep 2026: 438 provisionalOct 2026: 438 provisionalNov 2026: 438 provisional
Aug 2026Nov 2026
4 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity
Overlays their published ratings on the chart; the link keeps the comparison.

Other formats against Regular

  • -1 Quick vs Regular (provisional)

    Typical for 400–499 regular players: -1 (middle half -9 to +7, 1,654 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
—
No gain between published updates yet
Biggest drop
-75
Aug 2026 to Sep 2026
Longest rise
—
No consecutive gains yet
Current run
2 updates
Unchanged since Sep 2026
Typical move
±25
Mean absolute change; spread ±43.3

Regular rating in context

Nov 2026 update

United States

#62,072of 83,032 rated members · higher than 25.1%

20,903 lower · 58 same rating · 62,071 higher · ties share a rank

Oregon

#1,054of 1,501 rated members · higher than 29.5%

444 lower · 4 same rating · 1,053 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 10,797 within 100 points of 438 (this player included)

Player · 438
01,4252,850

400–449: 2,739 members (3.2%) · highlighted band is the player’s · dashed line is the target

25.9% below 450 (21,555 of 83,032; 25.1% below 438)

Percentile over time · United States

25.1% higher than · Nov 2026 · rank #62,072 of 83,032

Since Aug 2026
-5.5 pts

Aug 2026: higher than 30.6% (rank 57,602 of 83,080)Sep 2026: higher than 25.5% (rank 62,179 of 83,635)Oct 2026: higher than 25.3% (rank 61,634 of 82,596)Nov 2026: higher than 25.1% (rank 62,072 of 83,032)
Aug 2026Nov 2026
Each month against that month’s active pool, so pool growth and rating drift both count.
How these comparisons are calculated

Chess67 calculations from the Nov 2026 monthly rating update, using the same population as the USCF statistics pages: US members classified as active in the published monthly records, excluding lifetime-coded records, provisional ratings included. Ties share a rank; “lower” is strictly lower; national and state groups overlap. The target explorer keeps the population fixed, with this player at their recorded rating: it is a rating comparison, not a prediction of future rank.

United States statistics Oregon statistics

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'Connor, Ruairi
MonthRegularQuick
Nov 2026438 Pno change · 11 games437 Pno change · 11 games
Oct 2026438 Pno change · 11 games437 Pno change · 11 games
Sep 2026438 P-75 · 11 games437 P-75 · 11 games
Aug 2026513 P6 games512 P6 games
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.