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Jon S Middaugh

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USA · 58 yrs · K=20 · Peak 1918 (May 2017)

Best performance: 2110 at 28th NATO Chess Championship 2017(Best of 2017)

World #=68521 live, down 230#68,291 publishedUnited States #1933

OCT26 Rating

1827

Live Rating

1832.8

Change

+5.8

Games Played

7

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Oct 202618270
Sep 202618270
Aug 202618270
Jul 202618270
Jun 202618270
May 202618270
Apr 202618270
Mar 202618270
Feb 202618270
Jan 202618270
Dec 202518270
Nov 20251827+4

Classical games since the October list

TournamentScoreChange
36th NATO Chess Championship 2026Oct 12 – Oct 16TPR 18603/7+5.8

Event timeline · Classical

1 of 32 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.

Recent opponents · Classical

CM Egemen GuldenKaspars CircenisAnders IvarssonJan CheungArtis AlainisJakob DiependaelJelani Ghiacy

Rated near Jon S Middaugh · Classical

World

  1. #=68521Emile Hoogterp1832.8
  2. #=68521Wafula Andrew Mangeni1832.8
  3. #=68521Jon S Middaugh1832.8
  4. #=68521Samuel Ramazzotte Monteiro1832.8
  5. #=68521Heitor Fernando Brandalize1832.8

United States

  1. #=1923Andrew Thomas Slattery1833.0
  2. #=1923Jonathan Songwei Liu1833.0
  3. #1933Jon S Middaugh1832.8
  4. #=1934Eddie Wasserman1832.4
  5. #=1934Oliver Ohly1832.4

Live ratings projected from the OCT26 published list · Not affiliated with FIDE