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Joshua Posthuma

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USA · 26 yrs · K=20 · Peak 2353 (May 2024)

Best performance: 2377 at 2023 Canadian Transnational Blitz Crown(Best of 2023)

World #=2025 live, down 20#2,005 publishedUnited States #88

NOV26 Rating

2318

Live Rating

2318.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Blitz

Loading chart…
Official blitz rating by month
ListRatingChange
Nov 202623180
Oct 202623180
Sep 202623180
Aug 202623180
Jul 202623180
Jun 202623180
May 202623180
Apr 202623180
Mar 202623180
Feb 202623180
Jan 20262318-35
Dec 202523530

Form · Blitz

oldest → latest

Unbeaten in the last 2 games (2 draws), since Nov 29, 2025.

From 50 blitz games on record, the latest on Nov 29, 2025.

Blitz games since the November list

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

Last playedScore
2025 North Carolina Open - Blitz ChampionshipNov 29, 2025TPR 20563½/6

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

Event timeline · Blitz

6 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
202563½19992056
20246520682341
202318923562356

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

Rated near Joshua Posthuma · Blitz

World

  1. #=2025GM Milan Pacher2318.0
  2. #=2025FM Jacob Templen Grave2318.0
  3. #=2025IM Joshua Posthuma2318.0
  4. #=2025IM Jean Hebert2318.0
  5. #=2025FM Maxime Hauchamps2318.0

United States

  1. #86IM Justus Williams2321.8
  2. #87IM Grayson Rorrer2320.0
  3. #88IM Joshua Posthuma2318.0
  4. #89Shelev Oberoi2317.0
  5. #=90IM Joseph Zeltsan2316.0

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