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William Matias De Souza

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BRA · 43 yrs · K=40 · Peak 1546 (By Jun 2026)

Best performance: 1442 at CXA Double Maio Cidade de Sao Paulo RPD Individual(Best of 2026)

World #=149201 live, down 13909#135,292 publishedBrazil #=5607Americas #=19412among active players

NOV26 Rating

1546

Live Rating

1522.0

Change

-24.0

Games Played

3

How live ratings are calculated

Rating History · Rapid

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Rapid rating unchanged at 1546 since June 2026; peak 1546 by June 2026.

Official rating by month

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

ListRapid
Nov 20261546, 0, 0 games
Oct 20261546, 0, 0 games
Sep 20261546, 0, 0 games
Aug 20261546, 0, 0 games
Jul 20261546, 0, 0 games
Jun 20261546, 5 games

Form · Rapid

oldest → latest

Longest unbeaten run in 2026: 3 games, May 17.

From 14 rapid games on record, the latest on Nov 1.

Rapid games since the November list

TournamentScoreChange
IRT CXA RÁPIDO / 5 OU 6 RODADAS / 01 DE NOVEMBRO - DOMINGO / 15:00 MOOCA - SÃO PAULO - SPNov 1TPR 9941/4-24.0

Best wins · Rapid

From 10 rated rapid games against rated opponents, 2022–2026

#OpponentRating
1, Otto Carlos Triebe de Mello, Apr 2022 · III IRT Borba Gato 2022 Memorial Demetrio Patez Brocco, 1836
2, Fred Chahuaylla Palomino, May 2026 · CXA Double Maio Cidade de Sao Paulo RPD Individual, 1511
3, Ailton Amorim De Souza, May 2026 · CXA Double Maio Cidade de Sao Paulo RPD Individual, 1438

Event timeline · Rapid

3 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
20268216191426
2022211698—

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

Recent opponents · Rapid

Lucas Alves MoreiraLucas Dias YehAdriano Roberto Cata PretaGiovanni Lucca Kitahara Grassi

Rated near William Matias De Souza · Rapid

World

  1. #=149201Tairan (george) Wang1522.0
  2. #=149201Dunpu Chen1522.0
  3. #=149201William Matias De Souza1522.0
  4. #=149201Zhansaya Batyrbek1522.0
  5. #=149201Zhamagat Makhabbat1522.0

Brazil

  1. #5605Victor Lins1522.6
  2. #5606Adriana Da Silva Aureliano1522.4
  3. #=5607William Matias De Souza1522.0
  4. #=5607Davi Lisboa Almeida Montes1522.0
  5. #=5607Heloisa Regina Araujo Alves1522.0

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