William Perez

COL · 45 yrs · K=20 · Peak 2001 (Sep 2021)

Best performance: 1961 at IRT Raza Sub-1999 Medellin 2023(Best of 2023)

World #=44538 live179#44,359 publishedColombia #=292

OCT26 Rating

1916

Live Rating

1916.0

Change

0.0

Games Played

Rating History · Classical

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Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	XXXIII IRT Aficionados Sub 1999 Feria de las Flores 2026Aug 5 – Aug 9	0/8	—

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

8 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.

XXXIII IRT Aficionados Sub 1999 Feria de las Flores 2026—(0)
Aug 2026Swisschess-results.com
Score 0/8Start 1916
XV IRT Aficionados Raza Elo 1800 a 1999 Medellin 20251797
Oct 2025Swissfederation source
#2 in 2025Score 2½/6Opp avg 1797Start 1934
XXXII IRT Aficionados Sub 1999 Feria de las Flores 20251890
Aug 2025Swissfederation source
Best of 2025Score 2/6Opp avg 1765Start 1937
XVII Campeonato Continental Absoluto de Ajedrez de las Americas 2024 Jorge Vega In Memoriam1953
May – Jun 2024Swissfederation source
Best of 2024Score 6/11Opp avg 1953Start 1936
IRT de Primera Categoria J.A Medellin 20241918
May 2024Swissfederation source
#2 in 2024Score 4/6Opp avg 1793Start 1936
IX Campeonato Iberoamericano Absoluto "Panama 2023"1830
Nov – Dec 2023Swissfederation source
#2 in 2023Score 4/9Opp avg 1830Start 1893
IRT Raza Sub-1999 Medellin 20231961
Oct 2023Swissfederation source
Best of 2023Score 7/8Opp avg 1652Start 1871
XXX ITT Internacional Feria de Las Flores Medellin 30 Anios1639
Aug 2023Swissfederation source
#3 in 2023Score 2/8Opp avg 1832Start 1933

Live ratings projected from the OCT26 published list · Not affiliated with FIDE