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GM

Mark Heimann

USA · 33 yrs · K=10 · Peak 2440 (By Oct 2023)

Best performance: 2338 at 2025 September Mechanics' Weekend - Rapid(Best of 2025)

World #=810 live, down 6#804 publishedUnited States #=38

NOV26 Rating

2428

Live Rating

2428.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Rapid

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Official rapid rating by month
ListRatingChange
Nov 202624280
Oct 202624280
Sep 202624280
Aug 20262428-8
Jul 202624360
Jun 202624360
May 202624360
Apr 202624360
Mar 202624360
Feb 202624360
Jan 202624360
Dec 202524360

Form · Rapid

oldest → latest

Unbeaten in the last 2 games (1 win, 1 draw), since Jul 3. That is the longest unbeaten run of 2026.

From 15 rapid games on record, the latest on Jul 3.

Rapid games since the November list

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

Last playedScore
2026 Naroditsky Memorial Rapid & Blitz | RapidJul 3TPR 23353½/7

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

Title Progress

Based on events we cover plus the FIDE norm registers of all federations. Norms filed elsewhere may not show up here yet.

Event timeline · Rapid

1 of 3 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: 2335 over 7 rated games

MonthGamesScoreAvg oppTPR
Jul73½23352335

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 Heimann · Rapid

United States

  1. #37IM Eric Liu2441.0
  2. #=38GM Robert Hungaski2428.0
  3. #=38GM Mark Heimann2428.0
  4. #40IM Anish Vivekananthan2423.0
  5. #41GM Praveen Balakrishnan2418.0

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