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Sergio Arriaza Sanchez

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CHI · K=20 · Peak 1783 (Jun 2024)

Best performance: 1848 at Torneo Internacional de Ajedrez Las Balsas Relais Chateaux - Villa La Angostura(Best of 2022)

World #=94738 live, down 1301#93,437 publishedChile #=500

Classical rating

1750

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

On FIDE’s list since Jan 2022

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Nov 202617500
Oct 202617500
Sep 20261750-33
Aug 202617830
Jul 202617830
Jun 202617830
May 202617830
Apr 202617830
Mar 202617830
Feb 202617830
Jan 202617830
Dec 202517830

Form · Classical

oldest → latest

From 52 classical games on record, the latest on Aug 16.

Classical games since the November list

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

Last playedScore
IRT Sub -1800 Buin 2026Aug 160/5

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

Best wins · Classical

From 38 rated classical games against rated opponents, 2009–2026

#OpponentRating
1, Fabian Romero, Jun 2022 · Torneo Internacional de Ajedrez Las Balsas Relais Chateaux - Villa La Angostura, 1836
2, Xavier Cugat, May 2024 · III Edicion IRT Internacional de Villa La Angostura, 1743
3, Vicente Ramirez Sanchez, Nov 2021 · Torneo IRT Sub 1600 Clasificatorio Campeonato de Chile 2021 - 2022 Club Ajedrez Buin, 1532

Event timeline · Classical

10 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
2026201500—
202441½18851798
202314517231621
202272½17931691
202194½16601660
2009202125—

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

Rated near Sergio Arriaza Sanchez · Classical

World

  1. #=94738Amey Chowdhury1750.0
  2. #=94738Vladimir Tiutiunnikov1750.0
  3. #=94738Sergio Arriaza Sanchez1750.0
  4. #=94738Dmytro Herasymchuk1750.0
  5. #=94738Alexis Zegarra Vargas1750.0

Chile

  1. #=494Matias Constantino Sanhueza Soria-Galvarro1752.0
  2. #499Hernan Pinilla Ulloa1751.0
  3. #=500Sergio Arriaza Sanchez1750.0
  4. #=500Alexis Zegarra Vargas1750.0
  5. #=500Claudio Rosales Valdivieso1750.0

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