CChessStats
Format
BI

Baek, Isu

🇰🇷

FIDEFIDE 13236113· Male· South Korea· Born in 2013

Follow Isu BaekTrack his monthly FIDE ratings, games, tournaments and more.

Isu Baek, a 13-year-old South Korean player, is rated 1669. He has fluctuated between 1663 and 1723 over the past 2 years. 17 rated games in the past year. Recent standard appearances include 38th iChess Cup, 15th Queen's, and 1st SeongdoGu Chess Competition. Also played 1 rapid event (including 1st iChess Masters Rapid 2026) recently. His peak of 1723 was reached at age 13 (Feb 2026).

At junior level, he reached #12 and #11 nationally in U14 and U12.

Current rating

1669

Standard

Rpd1679·Blz—

All-time high

1723

−54 pts below
Feb 2026 · age 13

Activity

23

games / yr avg. · ≈2/mo

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

Signature stat

#121,100

#121,100 · players worldwide · of 218,279

Career timeline

8 entries
2026
12th South Korean U14 player
at age 13 · rated 1723
Feb 2026
Best 12-month gain (+57 Elo)
1666 → 1723
Feb 2026
All-time peak 1723
at age 13 · −54 from today
Feb 2026
2025
11th South Korean U12 player
at age 12 · rated 1707
Dec 2025
Crossed 1600
at age 12
Oct 2025
Crossed 1500
at age 12
Oct 2025

Standard rating history

Peak
FIDE title
Threshold
First rated

Activity & highlights

Top opponent
vs Eram Joo 1,770
38th iChess Cup · May 2026 · +25.7 Elo
Evolution
+3
1666 → 1669
Tournaments
5
24 games
Score
16.5/ 2468.8%
16W1D7L
Top 3 wins
1.[W]vsEram Joo1,770·38th iChess Cup·R6·+25.7
2.[W]vsTeo An1,599·12th Queen's·R1·+14.6
3.[W]vsThomas Mathew Collins1,593·12th Queen's·R3·+14.2
Top 3 losses
1.[L]vsJaejun Han1,495·15th Queen's·R3·-29.0
2.[L]vsjungmin Youn1,561·38th iChess Cup·R3·-26.0
3.[L]vsJaemin Oh1,575·34th iChess Cup·R5·-25.1

Last 12 months — tournaments

5 events
EventDateScoreRankPerfΔ Elo
38th iChess Cup
Open Swiss
May 20264.5/4#102363-2.0
15th Queen's
Swiss
Feb 20262/3#191645-50.0
1st SeongdoGu Chess Competition
Swiss
Nov 20253/1#132293+9.6
12th Queen's
Swiss
Oct 20253/4#31804+26.0
34th iChess Cup
Open Swiss
Sep 20254/6#615600.0
Worst Elo result: 15th Queen's (-50.0 Elo, finished #19).

Rankings

/
South Korea
#219
out of 718 players
Asia-Pacific
#17,276
in continent
World
#121,094
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.
2,398
2
🇰🇷Ahn, HongjinFollow Hongjin AhnTrack their monthly FIDE ratings, games, tournaments and more.
2,336
3
🇰🇷Kwon, SehyunFollow Sehyun KwonTrack their monthly FIDE ratings, games, tournaments and more.
2,286
4
🇰🇷Yun, HungiFollow Hungi YunTrack their monthly FIDE ratings, games, tournaments and more.
2,214
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
🇰🇷Lee, YounggyuFollow Younggyu LeeTrack their monthly FIDE ratings, games, tournaments and more.
2,045
...
219🇰🇷Baek, Isu1,669
Asia-Pacific
1
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
1
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
3
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
4
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
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.
2,735
8
🇷🇺Nepomniachtchi, IanFollow Ian NepomniachtchiTrack their monthly FIDE ratings, games, tournaments and more.
2,733
9
🇮🇳Gukesh DFollow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more.
2,732
10
🇻🇳Le, Quang LiemFollow Quang Liem LeTrack their monthly FIDE ratings, games, tournaments and more.
2,731
...
17276🇰🇷Baek, Isu1,669
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
...
121094🇰🇷Baek, Isu1,669