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Joshua Posthuma

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USA · 26 yrs · K=10 · Peak 2439 (Jan 2024)

Best performance: 2738 at 2023 Saint Louis Club Championship(Best of 2023)

Rapid rating

2439

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

On FIDE’s list since Apr 2023 · Inactive on FIDE’s list

How live ratings are calculated

Rating History · Rapid

Loading chart…
Official rapid rating by month
ListRatingChange
Nov 202624390
Oct 202624390
Sep 202624390
Aug 202624390
Jul 202624390
Jun 202624390
May 202624390
Apr 202624390
Mar 202624390
Feb 202624390
Jan 202624390
Dec 202524390

Form · Rapid

oldest → latest

Unbeaten in the last 7 games (6 wins, 1 draw), since Dec 22, 2023.

From 23 rapid games on record, the latest on Dec 23, 2023.

Rapid games since the November list

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

Last playedScore
2023 Saint Louis Club ChampionshipDec 23, 2023TPR 27383½/4

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

Best wins · Rapid

From 21 rated rapid games against rated opponents, 2023

#OpponentRating
1, GM Evgeny Bareev, Jun 2023 · 2023 Canadian Transnational Rapid Crown, 2659
2, GM Alex Yermolinsky, Dec 2023 · 2023 Saint Louis Club Championship, 2520
3, IM Eric Rosen, Dec 2023 · 2023 Quintessential Quads - A, 2363

Event timeline · Rapid

4 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
20232112½23222394

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

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