Arthur De Castro Siqueira

BRA · 43 yrs · K=40 · Peak 1864 (By Nov 2025)

Best performance: 1907 at II IRT Avanze de Xadrez Classico 2025(Best of 2025)

World #=88767 live2262#86,505 publishedBrazil #=1440

OCT26 Rating

1769

Live Rating

1769.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Official classical rating by month

Classical games since the October list

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

	Last played	Score	TPR
	Torneio Melhores do Ano de Xadrez Classico 2025Nov 8, 2025 – Nov 16, 2025TPR 1443	½/7	1443

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

4 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.

Torneio Melhores do Ano de Xadrez Classico 20251443
Nov 2025Swissfederation source
#2 in 2025Score ½/7Opp avg 1809Start 1864
II IRT Avanze de Xadrez Classico 20251907
Oct 2025Round robinfederation source
Best of 2025Score 4/7Opp avg 1835
III Etapa do Circuito Patrocinense de Xadrez Classico 2025—(2)
Sep 2025Swissfederation source
Score 1/3Opp avg 1756
II Etapa do Circuito Patrocinense de Xadrez Classico 2025—(2)
Aug 2025Swissfederation source
Score 1½/2Opp avg 1748

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