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Zhou Fernandez, Isabella

🇨🇷

FIDEFIDE 6565395· Female· Costa Rica· Born in 2012

Follow Isabella Zhou FernandezTrack her monthly FIDE ratings, games, tournaments and more.

Isabella Zhou Fernandez, a 14-year-old player, is rated 1402. She has fluctuated between 1402 and 1523 over the past 2 years. 29 rated games in the past year (≈34/year long-term). Recent standard appearances include Campeonato Centroamericano y del Caribe U20 Femenino 2026, Campeonato Nacional Categoria U20 femenino 2026, and Campeonato Nacional Categorias Menores Pares 2026 U14 Femenino. Also played 5 rapid (including III Torneo por la Plata 2025) and 6 blitz events (including XLVI Metropolitano Torneo Internacional 2025 Blitz) recently. Her peak of 1523 was reached at age 14 (Mar 2026).

At junior level, she reached #38 nationally in U14.

Current rating

1402

Standard

Rpd1452·Blz—

All-time high

1523

−121 pts below
Mar 2026 · age 14

Activity

41

games / yr avg. · ≈3/mo

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

Signature stat

#216,179

#216,179 · players worldwide · of 216,808

Career timeline

7 entries
2026
38th U14 player nationally
at age 14 · rated 1523
Mar 2026
Best 12-month gain (+94 Elo)
1429 → 1523
Mar 2026
Crossed 1500
at age 14
Mar 2026
All-time peak 1523
at age 14 · −121 from today
Mar 2026
2025
Crossed 1400
at age 13
May 2025
Crossed 1200
at age 13
May 2025

Standard rating history

Last 12 months — activity & highlights

Best result
Campeonato Centroamericano y del Caribe U20 Femenino 2026
perf 1537 (+135) · 2/8 · #20
Top opponent
vs Ian Sebastian Charpentier Badilla 1,624
Torneo Clasificatorio de Cuarta Division, Montes de Oca 2025 · Jun 2025 · +28.4 Elo
Evolution
-27
1429 → 1402
Tournaments
9
67 games
Score
22.5/ 6733.6%
21W6D40L

Last 12 months — tournaments

9 events
EventDateScoreRankPerfΔ Elo
Campeonato Centroamericano y del Caribe U20 Femenino 2026
Open Swiss
Mar 20262/8#201537-54.4
Campeonato Nacional Categoria U20 femenino 2026
Open Swiss
Mar 20261/5#101306-51.2
Campeonato Nacional Categorias Menores Pares 2026 U14 Femenino
Open Swiss
Feb 20262/3#256840.0
Juegos Deportivos Nacionales 2026 Standard U16 Individual Femenino
Round-Robin
Jan 20264.5/4#215790.0
XLVI Metropolitano Torneo Internacional 2025 B
Open Swiss
Dec 20251.5/8#12412380.0
Worst Elo result: Torneo Abierto Memorial Rosalia Escalante 2025 (-57.2 Elo, finished #81).

Rankings

/
Costa Rica
#564
out of 695 players
Americas
#25,363
in continent
World
#215,599
out of 400,000+

National ranking

Europe & World

Europe
World
Costa Rica
1
🇨🇷Gonzalez Acosta, BernalFollow Bernal Gonzalez AcostaTrack their monthly FIDE ratings, games, tournaments and more.
2,453
2
🇨🇷Mihajlov, SebastianFollow Sebastian MihajlovTrack their monthly FIDE ratings, games, tournaments and more.
2,372
3
🇨🇷Jimenez Garcia, EmmanuelFollow Emmanuel Jimenez GarciaTrack their monthly FIDE ratings, games, tournaments and more.
2,349
4
🇨🇷Minero Pineda, SergioFollow Sergio Minero PinedaTrack their monthly FIDE ratings, games, tournaments and more.
2,330
5
🇨🇷Valdes Romero, LeonardoFollow Leonardo Valdes RomeroTrack their monthly FIDE ratings, games, tournaments and more.
2,326
6
🇨🇷Alfaro Rojas, Alfonso JoseFollow Alfonso Jose Alfaro RojasTrack their monthly FIDE ratings, games, tournaments and more.
2,316
7
🇨🇷Duran Vega, SergioFollow Sergio Duran VegaTrack their monthly FIDE ratings, games, tournaments and more.
2,283
8
🇨🇷Murillo Tsijli, AlexisFollow Alexis Murillo TsijliTrack their monthly FIDE ratings, games, tournaments and more.
2,263
9
🇨🇷Cabezas Solano, David AlejandroFollow David Alejandro Cabezas SolanoTrack their monthly FIDE ratings, games, tournaments and more.
2,252
10
🇨🇷Angulo Perez, SebastianFollow Sebastian Angulo PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,182
...
564🇨🇷Zhou Fernandez, Isabella1,402
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
...
25363🇨🇷Zhou Fernandez, Isabella1,402
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
...
215599🇨🇷Zhou Fernandez, Isabella1,402