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Dieferson Flori Massarotto

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BRA · 34 yrs · K=40 · Peak 2051 (Dec 2025)

Best performance: 2143 at XIX Festival Internacional da Figueira da Foz(Best of 2025)

World #=21163 live, down 322#20,841 publishedBrazil #=216Americas #=2203among active players

Classical rating

2051

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

On FIDE’s list since Jun 2016

How live ratings are calculated

Rating History · Classical

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Classical rating 1993 to 2051 over the last 12 months; peak 2051 in December 2025.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
Oct 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
Sep 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
Aug 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
Jul 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
Jun 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
May 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
Apr 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
Mar 20262051, 0, 0 games1987, 0, 0 games2087, 0, 0 games
Feb 20262051, 0, 0 games1987, 0, 0 games2087, +10, 7 games
Jan 20262051, 0, 0 games1987, 0, 0 games2077, +1, 0 games
Dec 20252051, +58, 9 games1987, 0, 0 games2076, +8, 7 games

Form · Classical

oldest → latest

Unbeaten in the last 3 games (1 win, 2 draws), since Nov 15, 2025.

From 45 classical games on record, the latest on Jan 3.

Classical games since the November list

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

Show gamesLast playedScore
CN 2. divisao 2025-26 r. 1-2Jan 3 – Jan 171/1

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, 2010–2025

#OpponentRating
1, FM Alfeu Junior Varela Bueno, Jan 2012 · Aberto do Brasil Cidade de Nova Petropolis-RS, 2305
2, FM Marek Pniaczek, Nov 2025 · XIX Festival Internacional da Figueira da Foz, 2207
3, FM Fernando Ribeiro, Nov 2025 · XIX Festival Internacional da Figueira da Foz, 2131

Openings · Classical

From the moves of 36 of 45 classical games on record.

As WhiteOpens 1.e4 in 18 of 18 games.

As BlackMeets 1.e4 with 1...c5.

All openings (1 as White, 1 as Black)
Openings in White gamesGamesScore
Sicilian Defense956%

9 more games in openings played fewer than 3 times.

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
202594½21432143
20185318951967
20161410½18582051
20126320982098
20106½20031602

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

Rated near Dieferson Flori Massarotto · Classical

World

  1. #=21163WCM Kamelia Chmielek2051.0
  2. #=21163Alan De Albuquerque Maran Reis2051.0
  3. #=21163Dieferson Flori Massarotto2051.0
  4. #=21163WCM Anna Kicinska2051.0
  5. #=21163Jose Vt. Valero Rubio2051.0

Brazil

  1. #=213Pedro Mezacasa Muller2052.0
  2. #=216Alan De Albuquerque Maran Reis2051.0
  3. #=216Dieferson Flori Massarotto2051.0
  4. #218CM Wagner da Silva Borges2050.0
  5. #=219Silas Carvalho Fernandes2048.0

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