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Chu, Rosalyn

🇺🇸

FIDEFIDE 39956180· Female· United States of America· Born in 2016

Follow Rosalyn ChuTrack her monthly FIDE ratings, games, tournaments and more.

Rosalyn Chu, a 10-year-old American player, is rated 1638 — her current career high. She is progressing steadily with +52 Elo over the past 12 months. 21 rated games in the past year. Recent standard appearances include 2026 FIDE CM & S Azhar Memorial Championship - BC, 2026 March BayAreaChess Real FIDE Championship - BC, and 2026 February BayAreaChess Real FIDE Championship - BC.

At junior level, she reached #68 nationally in U10.

Current rating

1638

Standard

Rpd·Blz

All-time high

1638

at best
Jun 2026 · age 10

Activity

63

games / yr avg. · ≈5/mo

21 past 12 mo · ≈2/mo
classical only
Active

Signature stat

#132,679

#132,679 · players worldwide · of 218,279

Career timeline

7 entries
2026
68th American U10 player
at age 10 · rated 1638
Jun 2026
Best 12-month gain (+52 Elo)
1586 → 1638
Jun 2026
All-time peak 1638
at age 10
Jun 2026
Crossed 1600
at age 10
Apr 2026
Crossed 1500
at age 10
Mar 2026
Crossed 1400
at age 10
Mar 2026

Standard rating history

Peak
FIDE title
Threshold
First rated

Activity & highlights

Top opponent

Last 12 months — tournaments

4 events
EventDateScoreRankPerfΔ Elo
Swiss
May 20262.5/4#141688+14.8
Swiss
Mar 20262.5/3#51863+15.6
Swiss
Feb 20261/3#1114660.0
Swiss
Jul 20251/1#717070.0
Hot streak: 4 tournaments without losing Elo.

Rankings

/
United States of America
#4,023
out of 5,510 players
Americas
#16,286
in continent
World
#132,673
out of 400,000+

National ranking

Europe & World

Europe
World
United States of America
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
1
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,742
5
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
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.
2,696
7
🇺🇸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
...
4023🇺🇸Chu, Rosalyn1,638
Americas
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
1
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,742
5
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
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.
2,696
7
🇺🇸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
...
16286🇺🇸Chu, Rosalyn1,638
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸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.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
132673🇺🇸Chu, Rosalyn1,638