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Siqueira, Arthur De Castro

🇧🇷

FIDEFIDE 538033569· Male· Brazil· Born in 1983

Follow Arthur De Castro SiqueiraTrack his monthly FIDE ratings, games, tournaments and more.

Arthur De Castro Siqueira, a 43-year-old Brazilian player, is rated 1769. He has slipped back 95 Elo over the past 12 months. 14 rated games in the past year. Recent standard appearances include Torneio Melhores do Ano de Xadrez Classico 2025, II IRT Avanze de Xadrez Classico 2025, and III Etapa do Circuito Patrocinense de Xadrez Classico 2025. Also played 6 rapid (including I Team FIDE RPD da Academia Patrocinense de Xadrez 2025) and 4 blitz events (including Torneio Blitz da APX Dia Internacional do Xadrez) recently. His peak of 1864 was reached at age 42 (Nov 2025).

Current rating

1769

Standard

Rpd1546·Blz1582

All-time high

1864

−95 pts below
Nov 2025 · age 42

Activity

15

games / yr avg. · ≈1/mo

14 past 12 mo · ≈1/mo
classical only
Moderately active

Signature stat

#86,046

#86,046 · players worldwide · of 216,808

Career timeline

5 entries
2025
85th Brazilian 40-45 player
at age 42 · rated 1864
Nov 2025
Crossed 1800
at age 42
Nov 2025
Crossed 1600
at age 42
Nov 2025
All-time peak 1864
at age 42 · −95 from today
Nov 2025
First FIDE rating
1864 · at age 42
Nov 2025

Standard rating history

Last 12 months — activity & highlights

Top opponent
vs Lucas Correa Costa 1,922
II IRT Avanze de Xadrez Classico 2025 · Oct 2025 · +23.3 Elo
Evolution
—
Tournaments
4
18 games
Score
7/ 1838.9%
5W4D9L

Last 12 months — tournaments

4 events
EventDateScoreRankPerfΔ Elo
Torneio Melhores do Ano de Xadrez Classico 2025
Swiss
Nov 20250.5/5#71427-94.8
II IRT Avanze de Xadrez Classico 2025
Round-Robin
Oct 20254/5#118550.0
III Etapa do Circuito Patrocinense de Xadrez Classico 2025
Open Swiss
Sep 20251/2#717560.0
II Etapa do Circuito Patrocinense de Xadrez Classico 2025
Open Swiss
Aug 20251.5/2#417680.0
Worst Elo result: Torneio Melhores do Ano de Xadrez Classico 2025 (-94.8 Elo, finished #7).

Rankings

/
Brazil
#1,378
out of 6,387 players
Americas
#10,072
in continent
World
#86,045
out of 400,000+

National ranking

Europe & World

Europe
World
Brazil
1
🇧🇷Leitao, RafaelFollow Rafael LeitaoTrack their monthly FIDE ratings, games, tournaments and more.
2,588
2
🇧🇷Supi, Luis PauloFollow Luis Paulo SupiTrack their monthly FIDE ratings, games, tournaments and more.
2,581
3
🇧🇷Fier, AlexandrFollow Alexandr FierTrack their monthly FIDE ratings, games, tournaments and more.
2,578
4
🇧🇷Vescovi, GiovanniFollow Giovanni VescoviTrack their monthly FIDE ratings, games, tournaments and more.
2,549
5
🇧🇷Mekhitarian, Krikor SevagFollow Krikor Sevag MekhitarianTrack their monthly FIDE ratings, games, tournaments and more.
2,544
6
🇧🇷Diamant, AndreFollow Andre DiamantTrack their monthly FIDE ratings, games, tournaments and more.
2,499
7
🇧🇷Quintiliano, Renato R.Follow Renato R. QuintilianoTrack their monthly FIDE ratings, games, tournaments and more.
2,491
8
🇧🇷Santiago, Yago De MouraFollow Yago De Moura SantiagoTrack their monthly FIDE ratings, games, tournaments and more.
2,479
9
🇧🇷Di Berardino, Diego RafaelFollow Diego Rafael Di BerardinoTrack their monthly FIDE ratings, games, tournaments and more.
2,465
10
🇧🇷Filgueiras, Nathan FelipeFollow Nathan Felipe FilgueirasTrack their monthly FIDE ratings, games, tournaments and more.
2,410
...
1378🇧🇷Siqueira, Arthur De Castro1,769
Americas
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
4
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
5
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,728
6
🇺🇸Aronian, LevonFollow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more.
2,724
7
🇺🇸Liang, AwonderFollow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more.
2,718
8
🇺🇸Sevian, SamuelFollow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more.
2,696
9
🇺🇸Xiong, JefferyFollow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more.
2,656
10
🇺🇸Robson, RayFollow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more.
2,653
...
10072🇧🇷Siqueira, Arthur De Castro1,769
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
86045🇧🇷Siqueira, Arthur De Castro1,769