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Ou, Siyuan

🇬🇧

FIDEFIDE 343405657· Female· England· Born in 2010

Follow Siyuan OuTrack her monthly FIDE ratings, games, tournaments and more.

Siyuan Ou, a 16-year-old English player, is rated 1552. She has slipped back 50 Elo over the past 12 months. 39 rated games in the past year (≈23/year long-term). Recent standard appearances include 6th 4NCL Easter Congress Under 2000, 2026 English Youth Championships Under 16 Girls, and 2026 Coventry Open Under 2000. Also played 6 rapid events (including 2025 Scotland Gigafinal U14 Girls) recently. Her peak of 1632 was reached at age 15 (Oct 2025).

Current rating

1552

Standard

Rpd1590·Blz1607

All-time high

1632

−80 pts below
Oct 2025 · age 15

Activity

24

games / yr avg. · ≈2/mo

34 past 12 mo · ≈3/mo
classical only
Moderately active

Signature stat

#165,478

#165,478 · players worldwide · of 218,279

Career timeline

6 entries
2025
All-time peak 1632
at age 15 · −80 from today
Oct 2025
Crossed 1600
at age 15
Jun 2025
Best 12-month gain (+341 Elo)
1254 → 1595
Jan 2025
2024
Crossed 1500
at age 14
Mar 2024
Crossed 1400
at age 14
Mar 2024
First FIDE rating
1254 · at age 14
Feb 2024

Standard rating history

Peak
FIDE title
Threshold
First rated
FIDE recal.

Activity & highlights

Top opponent
vs Aarav Katukuri 1,692
Birmingham FIDE Congress - U1900 · May 2026 · +27.6 Elo
Evolution
-79
1631 → 1552
Tournaments
8
36 games
Score
12/ 3633.3%
7W10D19L

Last 12 months — tournaments

8 events
EventDateScoreRankPerfΔ Elo
Birmingham FIDE Congress - U1900
Swiss
May 20261/4#201529-8.0
6th 4NCL Easter Congress Under 2000
Open Swiss
Apr 20262.5/7#48—-4.0
2026 English Youth Championships Under 16 Girls
Swiss
Mar 20261.5/4#51642+10.0
2026 Coventry Open Under 2000
Swiss
Feb 20261/4#22—-21.6
2025-26 Junior 4NCL 2 Division 2
Team
Jan 20261/1#322583-10.4
2025-26 Junior 4NCL 2 Division 1
Team
Jan 20260.5/2#281446-16.4
2025-26 Junior 4NCL 1 Division 1
Team
Nov 20252/4#221687-28.0
2025 English Women's Championship U1700
Swiss
Jul 20252.5/4#81628-0.4
Worst Elo result: 2025-26 Junior 4NCL 1 Division 1 (-28.0 Elo, finished #22).

Most-Played Opponents

vsSiyao Ou
🇬🇧ENG·1499
+11 −1 =1
13 games·last met Apr 2026
View head-to-head →
vsDiah Patel
🇬🇧ENG·1622
+4 −5 =1
10 games·last met Apr 2026
View head-to-head →
vsPreesh Gandhi
🇬🇧ENG·1649
+0 −5 =1
6 games·last met Nov 2025
View head-to-head →
vsBen Graff
🇬🇧ENG·1837
+0 −4 =1
5 games·last met Sep 2024
View head-to-head →

Rankings

/
England
#2,367
out of 3,855 players
Europe
#107,763
in continent
World
#165,456
out of 400,000+

National ranking

Europe & World

Europe
World
England
1
🇬🇧Vitiugov, NikitaFollow Nikita VitiugovTrack their monthly FIDE ratings, games, tournaments and more.
2,666
2
🇬🇧Howell, David W LFollow David W L HowellTrack their monthly FIDE ratings, games, tournaments and more.
2,665
3
🇬🇧Maroroa Jones, Gawain C BFollow Gawain C B Maroroa JonesTrack their monthly FIDE ratings, games, tournaments and more.
2,639
4
🇬🇧Adams, MichaelFollow Michael AdamsTrack their monthly FIDE ratings, games, tournaments and more.
2,622
5
🇬🇧McShane, Luke JFollow Luke J McShaneTrack their monthly FIDE ratings, games, tournaments and more.
2,597
6
🇬🇧Short, Nigel DFollow Nigel D ShortTrack their monthly FIDE ratings, games, tournaments and more.
2,594
7
🇬🇧Fernandez, Daniel HowardFollow Daniel Howard FernandezTrack their monthly FIDE ratings, games, tournaments and more.
2,539
8
🇬🇧Wadsworth, Matthew JFollow Matthew J WadsworthTrack their monthly FIDE ratings, games, tournaments and more.
2,516
9
🇬🇧Nunn, John D MFollow John D M NunnTrack their monthly FIDE ratings, games, tournaments and more.
2,512
10
🇬🇧Conquest, Stuart CFollow Stuart C ConquestTrack their monthly FIDE ratings, games, tournaments and more.
2,506
...
2367🇬🇧Ou, Siyuan1,552
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
4
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,744
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
7
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,728
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,721
9
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,713
...
107763🇬🇧Ou, Siyuan1,552
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
...
165456🇬🇧Ou, Siyuan1,552