Compare

Roberto Arias Arguello

Follow

CRC · 53 yrs · K=40 · Peak 1713 (Mar 2024, includes FIDE’s rating adjustment)

Best performance: 1585 at Torneo Clasificatorio de Tercera Division, ARAJA 2025(Best of 2025)

World #=351267Costa Rica #=625among all players, November list

Classical rating

1638

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

On FIDE’s list since Aug 2023 · Inactive on FIDE’s list

How live ratings are calculated

Rating History · Classical

Loading chart…

Classical rating unchanged at 1638 over the last 12 months; peak 1713 in March 2024.

Official rating by month

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

ListClassical
Nov 20261638, 0, 0 games
Oct 20261638, 0, 0 games
Sep 20261638, 0, 0 games
Aug 20261638, 0, 0 games
Jul 20261638, 0, 0 games
Jun 20261638, 0, 0 games
May 20261638, 0, 0 games
Apr 20261638, +4, 0 games
Mar 20261634, -4, 0 games
Feb 20261638, +1, 0 games
Jan 20261637, 0, 0 games
Dec 20251637, -1, 0 games

Form · Classical

oldest → latest

From 30 classical games on record, the latest on Aug 10, 2025.

Classical games since the November list

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

Last playedScore
Torneo Clasificatorio de Tercera Division, ARAJA 2025Aug 9, 2025 – Aug 10, 2025TPR 15853½/7

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

Best wins · Classical

From 22 rated classical games against rated opponents, 2010–2025

#OpponentRating
1, Santiago Rodriguez Gonzalez, Aug 2025 · Torneo Clasificatorio de Tercera Division, ARAJA 2025, 1626
2, Fabian Campos Prendas, Dec 2024 · XLV Metropolitano International Tournament B 2024, 1520
3, Isaac Antonio Leiva Coto, Aug 2025 · Torneo Clasificatorio de Tercera Division, ARAJA 2025, 1456

Event timeline · Classical

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
20247316301580
202362½15781521
2010201798—

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

Rated near Roberto Arias Arguello · Classical · November list, all players

World

  1. #=351267Jensen Ghael Aragon Pacori1638
  2. #=351267Rafael Vieira Archangelo1638
  3. #=351267Roberto Arias Arguello1638
  4. #=351267Serge Arinal1638
  5. #=351267Lucas Arismendi1638

Costa Rica

  1. #=622Yannik Ricardo Amaya Grant1639
  2. #=622Ayen Claude Bluvol Nadeau1639
  3. #=625Roberto Arias Arguello1638
  4. #=625Cristhopher David Vega Godinez1638
  5. #=625Alejandro Jesus Orna Chaves1638

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