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William Obrien

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USA · 28 yrs · K=20 · Peak 1811 (May 2026)

Best performance: 1887 at 2026 Spring Splash Blitz — 1800+(Best of 2026)

World #=36608 live, down 584#36,024 publishedUnited States #785Americas #=6080among active players

Blitz rating

1811

FIDE’s November 2026 list. No rated games since, so the live rating is the same.

On FIDE’s list since Mar 2019

How live ratings are calculated

Rating History · Blitz

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Blitz rating 1794 to 1811 over the last 12 months; peak 1811 in May 2026.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

ListClassicalBlitz
Nov 20261877, 0, 0 games1811, 0, 0 games
Oct 20261877, 0, 0 games1811, 0, 0 games
Sep 20261877, 0, 0 games1811, 0, 0 games
Aug 20261877, 0, 0 games1811, 0, 0 games
Jul 20261877, 0, 0 games1811, 0, 0 games
Jun 20261877, 0, 0 games1811, 0, 0 games
May 20261877, 0, 0 games1811, +17, 7 games
Apr 20261877, 0, 0 games1794, 0, 0 games
Mar 20261877, 0, 0 games1794, 0, 0 games
Feb 20261877, 0, 0 games1794, 0, 0 games
Jan 20261877, 0, 0 games1794, 0, 0 games
Dec 20251877, 0, 0 games1794, 0, 0 games

Form · Blitz

oldest → latest

Longest unbeaten run in 2026: 2 games, Apr 21.

From 41 blitz games on record, the latest on Apr 21.

Blitz games since the November list

No rated blitz games this rating periodsince the NOV26 list (Nov 1, 2026)

Last playedScore
2026 Spring Splash Blitz — 1800+Apr 21TPR 18873½/7

The live rating moves only when new rated games are played. Until then it matches the published rating.

Best wins · Blitz

From 35 rated blitz games against rated opponents, 2019–2026

#OpponentRating
1, Nicholas Cardenas, Mar 2019 · Marshall FIDE Blitz March 2019, 1922
2, CM Isaac Zhao, Apr 2026 · 2026 Spring Splash Blitz — 1800+, 1920
3, Akshaj Kadaveru, Apr 2026 · 2026 Spring Splash Blitz — 1800+, 1833

Event timeline · Blitz

5 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Performance rating by year

YearGamesScoreAvg oppTPR
202673½18871887
201928918071674

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Rated near William Obrien · Blitz

World

  1. #=36608Tommaso Facchinetti1811.0
  2. #=36608Ometh Abhayaratna1811.0
  3. #=36608William Obrien1811.0
  4. #=36608Elvin Di1811.0
  5. #=36608Kianmehr Nikfar1811.0

United States

  1. #=780Satyakam Dash1812.0
  2. #=780Marcus Farzaneh-Far1812.0
  3. #785William Obrien1811.0
  4. #=786Bhabatosh Chowdhury1810.0
  5. #=786Todd M Mendenhall1810.0

Live rating: FIDE’s November list plus every rated game played since. Not affiliated with FIDE.