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Mark DeDona

USA · 22 yrs · K=20 · Peak 2039 (Jul 2026)

Best performance: 2308 at Marshall Masters 39(Best of 2024)

World #=15214 live, down 92#15,122 publishedUnited States #=203

NOV26 Rating

2015

Live Rating

2015.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Rapid

Loading chart…
Official rapid rating by month
ListRatingChange
Nov 202620150
Oct 202620150
Sep 20262015-24
Aug 202620390
Jul 20262039+51
Jun 202619880
May 202619880
Apr 202619880
Mar 202619880
Feb 202619880
Jan 20261988+9
Dec 202519790

Form · Rapid

oldest → latest

Longest unbeaten run in 2026: 4 games, Jun 21.

From 52 rapid games on record, the latest on Aug 18.

Rapid games since the November list

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

Last playedScore
Marshall Masters 2026 | AugustAug 18TPR 18251/4

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

Event timeline · Rapid

2 of 14 events · All years

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 month

2026: 2102 over 13 rated games

MonthGamesScoreAvg oppTPR
Aug4120181825
Jun9620982223

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

Rated near Mark DeDona · Rapid

World

  1. #=15214Miroslav Suchanek2015.0
  2. #=15214Oldrich Kastner2015.0
  3. #=15214Mark DeDona2015.0
  4. #=15214Daniel Hadzala2015.0
  5. #=15214Jan Rusnak2015.0

United States

  1. #202Vishnusankar Jonnalagadda2021.0
  2. #=203Eli Chang2015.0
  3. #=203Mark DeDona2015.0
  4. #=203Winsley Wu2015.0
  5. #=206Mark Biernacki2013.0

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

Mark DeDona: Live FIDE Rating 1986