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Marwin Kosaisoonthorn

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THA · 23 yrs · K=20 · Peak 1710 (May 2024)

Best performance: 1926 at TCA x Big Rook Olympiad Chess Challenge 2024 - Standard Open(Best of 2024)

World #=284622Thailand #199among all players, November list

Classical rating

1710

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

On FIDE’s list since Aug 2019 · Inactive on FIDE’s list

How live ratings are calculated

Rating History · Classical

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Classical rating unchanged at 1710 over the last 12 months; peak 1710 in May 2024.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Oct 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Sep 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Aug 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Jul 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Jun 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
May 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Apr 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Mar 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Feb 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Jan 20261710, 0, 0 games1618, 0, 0 games1653, 0, 0 games
Dec 20251710, 0, 0 games1618, 0, 0 games1653, 0, 0 games

Form · Classical

oldest → latest

From 52 classical games on record, the latest on Apr 21, 2024.

Classical games since the November list

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

Show gamesLast playedScore
47th Thailand Chess Championship 2024 - MenApr 17, 2024 – Apr 21, 2024TPR 17635/9

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

Best wins · Classical

From 40 rated classical games against rated opponents, 2019–2024

#OpponentRating
1, Geoffrey M Brown, Feb 2024 · TCA x Big Rook Olympiad Chess Challenge 2024 - Standard Open, 1812
2, Jeremi Nodon, Feb 2024 · TCA x Big Rook Olympiad Chess Challenge 2024 - Standard Open, 1801
3, Piyapon Wiwarin, Jul 2023 · 1st Rooky Chessmate International Championship Bangkok 2023, 1784

Event timeline · Classical

7 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
2024201018411841
2023135½15251468
201972½12681166

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

Rated near Marwin Kosaisoonthorn · Classical · November list, all players

World

  1. #=284622Perry Koopmans1710
  2. #=284622Jakub Kopal1710
  3. #=284622Marwin Kosaisoonthorn1710
  4. #=284622Zente Kosik1710
  5. #=284622Jan Kostisce1710

Thailand

  1. #197Sirawich Kusakulpiboon1715
  2. #198Kantapat Piyathumawuttikul1714
  3. #199Marwin Kosaisoonthorn1710
  4. #=200Harit Sakboon1707
  5. #=200WFM Natkritta Thanarotrung1707

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