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John Michael Mortensen

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GUM · 14 yrs · K=40 · Peak 1559 (Sep 2025)

Best performance: 1673 at June 29 Rapid(Best of 2025)

World #=142435 live, down 3431#139,004 publishedGuam #59Asia #=44485among active players

Rapid rating

1538

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

On FIDE’s list since Feb 2025

How live ratings are calculated

Rating History · Rapid

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Rapid rating 1559 to 1538 over the last 12 months; peak 1559 in September 2025.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

ListClassicalRapidBlitz
Nov 20261509, 0, 0 games1538, 0, 0 games1457, 0, 0 games
Oct 20261509, 0, 0 games1538, 0, 0 games1457, 0, 0 games
Sep 20261509, 0, 0 games1538, 0, 0 games1457, 0, 0 games
Aug 20261509, 0, 0 games1538, 0, 0 games1457, 0, 0 games
Jul 20261509, 0, 0 games1538, 0, 0 games1457, 0, 0 games
Jun 20261509, 0, 0 games1538, 0, 0 games1457, 0, 0 games
May 20261509, 0, 0 games1538, 0, 0 games1457, 0, 0 games
Apr 20261509, -29, 4 games1538, +1, 0 games1457, +4, 0 games
Mar 20261538, -4, 0 games1537, 0, 0 games1453, -3, 0 games
Feb 20261542, +3, 0 games1537, +45, 7 games1456, +2, 0 games
Jan 20261539, -13, 3 games1492, -67, 6 games1454, +1, 0 games
Dec 20251552, 0, 0 games1559, 0, 0 games1453, 0, 0 games

Form · Rapid

oldest → latest

Longest unbeaten run in 2026: 2 games, Jan 11.

From 95 rapid games on record, the latest on Jan 25.

Rapid games since the November list

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

Show gamesLast playedScore
2026 Rapid Team ChampionshipJan 11 – Jan 25TPR 16133½/7

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

Best wins · Rapid

From 68 rated rapid games against rated opponents, 2025–2026

#OpponentRating
1, James Rhodes, Jan 2026 · 2026 Rapid Team Championship, 1669
2, Bellan Rombaua, Jul 2025 · July 26 Rapid, 1628
3, Nestor Fiscal, 2 wins, Apr 2025 · April 27 Rapid, 1611

Event timeline · Rapid

14 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
202673½16131613
20256122½16201525

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

  • 2026 Rapid Team Championship, 1613
    Jan 2026Teamfederation source
    Best of 2026Score 3½/7Opp avg 1613Start 1492
  • Pearl Harbor Memorial 2025, 1337
    Dec 2025Swissfederation source
    #13 in 2025Score 2/7Opp avg 1610Start 1559
  • August 24 Rapid, 1636
    Aug 2025Swissfederation source
    #2 in 2025Score 3/7Opp avg 1686Start 1534
  • July 26 Rapid, 1554
    Jul 2025Swissfederation source
    #6 in 2025Score 3½/7Opp avg 1611Start 1505
  • June 29 Rapid, 1673
    Jun 2025Swissfederation source
    Best of 2025Score 2/5Opp avg 1673Start 1540
  • June 8 Rapid, 1400
    Jun 2025Swissfederation source
    #12 in 2025Score 3/7Opp avg 1640Start 1540
  • April 27 Rapid, 1587
    Apr 2025Swissfederation source
    #5 in 2025Score 3/7Opp avg 1659Start 1515
  • March 16 2025 Rapid, 1625
    Mar 2025Swissfederation source
    #4 in 2025Score 3½/7Opp avg 1625Start 1495

Rated near John Michael Mortensen · Rapid

World

  1. #=142435Sofia Caballero Lavalle1538.0
  2. #=142435Franco Rodriguez Roura1538.0
  3. #=142435John Michael Mortensen1538.0
  4. #=142435David Jeanes1538.0
  5. #=142435Naveen Dissanayake1538.0

Guam

  1. #57Hawoon Jung1557.0
  2. #58Rolando Dela Cruz1553.0
  3. #59John Michael Mortensen1538.0
  4. #60Jesus Retugal1537.0
  5. #61Mario Espinoza1535.0

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