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Richard Costigan

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USA · 67 yrs · K=20 · Peak 2312 (By Jan 2001)

Best performance: 2290 at 17th Annual Chicago Open (U2300 Section)(Best of 2008)

NOV26 Rating

2301

Live Rating

2301.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

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Official classical rating by month
ListRatingChange
Nov 202623010
Oct 202623010
Sep 202623010
Aug 202623010
Jul 202623010
Jun 202623010
May 202623010
Apr 202623010
Mar 202623010
Feb 202623010
Jan 202623010
Dec 202523010

Form · Classical

Form shows from 10 games. 7 classical games are on record so far.

Classical games since the November list

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

Last playedScore
17th Annual Chicago Open (U2300 Section)May 23, 2008TPR 22904/7

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

Best wins · Classical

From 5 rated classical games against rated opponents, 2008

#OpponentRating
1, James E. Lewis, 17th Annual Chicago Open (U2300 Section), May 2008, 2255
2, FM Aleksander Kralevski, 17th Annual Chicago Open (U2300 Section), May 2008, 2239
3, Lorand Bela Kis, 17th Annual Chicago Open (U2300 Section), May 2008, 2213

Event timeline · Classical

1 event

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
20085322182290

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

Live ratings projected from the NOV26 published list · Not affiliated with FIDE