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Joao Guilherme Waltmann

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BRA · 18 yrs · K=40 · Peak 1523 (Mar 2024, includes FIDE’s rating adjustment)

Best performance: 1496 at Circuito de Xadrez dos Campos Gerais 2024 3a etapa U14-ABS(Best of 2024)

World #=201938 live, down 3999#197,939 publishedBrazil #=6552Americas #=23807among active players

Rapid rating

1418

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

On FIDE’s list since Aug 2018

How live ratings are calculated

Rating History · Rapid

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Rapid rating 1420 to 1418 over the last 12 months; peak 1523 in March 2024.

Official rating by month

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

ListRapidBlitz
Nov 20261418, 0, 0 games1407, -38, 6 games
Oct 20261418, 0, 0 games1445, -28, 3 games
Sep 20261418, 0, 0 games1473, 0, 0 games
Aug 20261418, 0, 0 games1473, 0, 0 games
Jul 20261418, 0, 0 games1473, 0, 0 games
Jun 20261418, 0, 0 games1473, 0, 0 games
May 20261418, 0, 0 games1473, 0, 0 games
Apr 20261418, 0, 0 games1473, 0, 0 games
Mar 20261418, 0, 0 games1473, 0, 0 games
Feb 20261418, 0, 0 games1473, 0, 0 games
Jan 20261418, -2, 3 games1473, -16, 5 games
Dec 20251420, 0, 0 games1489, 0, 0 games

Form · Rapid

oldest → latest

From 126 rapid games on record, the latest on Aug 30.

Rapid games since the November list

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

Show gamesLast playedScore
4ª Taça Princesa dos Campos de Xadrez Rápido 30/08/2026Aug 30TPR 9570/4

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

Best wins · Rapid

From 54 rated rapid games against rated opponents, 2018–2026

#OpponentRating
1, Gabriel Henrique Chaves Raifur, Oct 2024 · Circuito de Xadrez dos Campos Gerais 2024 3a etapa U14-ABS, 1596
2, Leticia Tinoco De Oliveira, Aug 2024 · Circuito de Xadrez dos Campos Gerais 2024 2a etapa U14-ABS, 1507
3, Enoc Pereira Brizola, Aug 2023 · U14 Taca Princesa dos Campos de Xadrez ABS, 1306

Event timeline · Rapid

18 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
2026401757957
202510½16911221
202410216781438
202310412771205
2022401613813
2019701240440
20189311821057

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

Rated near Joao Guilherme Waltmann · Rapid

World

  1. #=201938Oliwier Wiczkowski1418.0
  2. #=201938HAMAD TARIQ S ALJAMIA1418.0
  3. #=201938Joao Guilherme Waltmann1418.0
  4. #=201938Andrea Morello1418.0
  5. #=201938Andrea Perico1418.0

Brazil

  1. #=6548Julio Tible Cavalcanti1419.0
  2. #=6548Yasmin Camilly Da Silva1419.0
  3. #=6552Joao Guilherme Waltmann1418.0
  4. #=6552Julia Spagnol1418.0
  5. #=6552Sila Esber1418.0

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