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Brian Castillo

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ARG · 27 yrs · K=20 · Peak 1742 (Apr 2026)

Best performance: 1938 at 7mo IRT El Arma De Alekhine(Best of 2026)

World #=63738 live, down 505#63,233 publishedArgentina #=1051

NOV26 Rating

1742

Live Rating

1742.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Rapid

Loading chart…
Official rapid rating by month
ListRatingChange
Nov 202617420
Oct 202617420
Sep 202617420
Aug 202617420
Jul 202617420
Jun 202617420
May 202617420
Apr 20261742+35
Mar 202617070
Feb 202617070
Jan 202617070
Dec 202517070

Form · Rapid

oldest → latest

Longest unbeaten run in 2026: 7 games, Feb 28 – Oct 17.

From 36 rapid games on record, the latest on Oct 17.

Rapid games since the November list

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

Last playedScore
Copa Santa Fe 2026 - Categoría LibreOct 17TPR 19213/6

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

Event timeline · Rapid

5 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
2026127½18331928
20258516961791
20244116761483

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

Rated near Brian Castillo · Rapid

World

  1. #=63738Pedro Saraiva Duarte1742.0
  2. #=63738Gui Duarte Ferreira1742.0
  3. #=63738Brian Castillo1742.0
  4. #=63738CM Leon Medero Mino1742.0
  5. #=63738Cristian Leonardo Arce1742.0

Argentina

  1. #=1046Andres Alejandro Cuellar1743.0
  2. #=1051Julio Aguirre1742.0
  3. #=1051Brian Castillo1742.0
  4. #=1051CM Leon Medero Mino1742.0
  5. #=1051Cristian Leonardo Arce1742.0

Live ratings projected from the NOV26 published list · Not affiliated with FIDE