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JW

Joi, Woojoo

🇰🇷

FIDEFIDE 13219782· Male· South Korea· Born in 2016

Follow Woojoo JoiTrack his monthly FIDE ratings, games, tournaments and more.

Woojoo Joi, a 10-year-old South Korean player, is rated 1435. He has held steady between 1400 and 1450 for 13 months. 26 rated games in the past year (≈18/year long-term). Recent standard appearances include 33rd Korea Chess League Minor Round 1-2, 15th Queen's, and 2026 Korea Youth Championship U10. Also played 2 rapid (including PRAGUE OPEN 2026 C - rapid tournament) and 2 blitz events (including PRAGUE OPEN 2026 D - blitz tournament) recently. His peak of 1514 was reached at age 8 (Mar 2024).

At junior level, he reached #41 and #3 nationally in U10 and U8.

Current rating

1435

Standard

Rpd—·Blz—

All-time high

1514

−79 pts below
Mar 2024 · age 8

Activity

18

games / yr avg. · ≈2/mo

26 past 12 mo · ≈2/mo
classical only
Moderately active

Signature stat

#207,613

#207,613 · players worldwide · of 216,808

Career timeline

8 entries
2025
41st South Korean U10 player
at age 9 · rated 1436
Jan 2025
2024
Best 12-month gain (+324 Elo)
1190 → 1514
Mar 2024
Crossed 1500
at age 8
Mar 2024
Crossed 1400
at age 8
Mar 2024
Crossed 1200
at age 8
Mar 2024
All-time peak 1514
at age 8 · −79 from today
Mar 2024

Standard rating history

Last 12 months — activity & highlights

Best result
PRAGUE OPEN 2026 B - FIDE open
perf 1485 (+66) · 2.5/7 · #125
Top opponent
vs Seojun Shin 1,611
2026 Korea Youth Championship U10 · Feb 2026 · +10.6 Elo
Evolution
—
Tournaments
8
47 games
Score
15.5/ 4733.0%
13W5D29L
Top 3 losses
1.[L]vsCaden Chang1,458·2025 Korea Youth Selection U10·R4·-19.1
2.[L]vsJin Yang1,463·9th Queen's·R4·-18.8
3.[L]vsSoohyun Kyeong1,484·2025 Korea Youth Selection U10·R5·-17.7

Last 12 months — tournaments

8 events
EventDateScoreRankPerfΔ Elo
33rd Korea Chess League Minor Round 1-2
Team
Mar 20260/2#73838-21.2
15th Queen's
Swiss
Feb 20261.5/3#2513040.0
2026 Korea Youth Championship U10
Open Swiss
Feb 20263/4#2813730.0
PRAGUE OPEN 2026 B - FIDE open
Open Swiss
Jan 20262.5/7#1251485-58.0
13th Queen's
Swiss
Nov 20251.5/3#241568-19.6
Worst Elo result: PRAGUE OPEN 2026 B - FIDE open (-58.0 Elo, finished #125).

Rankings

/
South Korea
#587
out of 703 players
Asia-Pacific
#47,838
in continent
World
#207,358
out of 400,000+

National ranking

Europe & World

Europe
World
South Korea
1
🇰🇷Lee, JunhyeokFollow Junhyeok LeeTrack their monthly FIDE ratings, games, tournaments and more.
2,394
2
🇰🇷Ahn, HongjinFollow Hongjin AhnTrack their monthly FIDE ratings, games, tournaments and more.
2,331
3
🇰🇷Kwon, SehyunFollow Sehyun KwonTrack their monthly FIDE ratings, games, tournaments and more.
2,283
4
🇰🇷Yun, HungiFollow Hungi YunTrack their monthly FIDE ratings, games, tournaments and more.
2,225
5
🇰🇷Rentsen, ErdenetulgaFollow Erdenetulga RentsenTrack their monthly FIDE ratings, games, tournaments and more.
2,182
6
🇰🇷Huh, IsaakFollow Isaak HuhTrack their monthly FIDE ratings, games, tournaments and more.
2,174
7
🇰🇷Lee, KyungseokFollow Kyungseok LeeTrack their monthly FIDE ratings, games, tournaments and more.
2,111
8
🇰🇷Gu, InjungFollow Injung GuTrack their monthly FIDE ratings, games, tournaments and more.
2,077
9
🇰🇷Eynula, RozaFollow Roza EynulaTrack her monthly FIDE ratings, games, tournaments and more.
2,048
10
🇰🇷Noh, JinwooFollow Jinwoo NohTrack their monthly FIDE ratings, games, tournaments and more.
2,038
...
587🇰🇷Joi, Woojoo1,435
Asia-Pacific
1
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
2
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
3
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,751
5
🇮🇳Anand, ViswanathanFollow Viswanathan AnandTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇨🇳Ding, LirenFollow Liren DingTrack their monthly FIDE ratings, games, tournaments and more.
2,738
7
🇮🇳Praggnanandhaa RFollow Praggnanandhaa RTrack their monthly FIDE ratings, games, tournaments and more.
2,733
8
🇮🇳Gukesh DFollow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more.
2,732
9
🇻🇳Le, Quang LiemFollow Quang Liem LeTrack their monthly FIDE ratings, games, tournaments and more.
2,731
10
🇷🇺Nepomniachtchi, IanFollow Ian NepomniachtchiTrack their monthly FIDE ratings, games, tournaments and more.
2,729
...
47838🇰🇷Joi, Woojoo1,435
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
...
207358🇰🇷Joi, Woojoo1,435