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Jeon, Sehyun

🇰🇷

FIDEFIDE 13226932· Male· South Korea· Born in 2013

Follow Sehyun JeonTrack his monthly FIDE ratings, games, tournaments and more.

Sehyun Jeon, a 13-year-old South Korean player, is rated 1452 — just 22 short of his peak of 1474 (Sep 2025, age 12). He has held steady between 1450 and 1500 for 13 months. 10 rated games in the past year. Recent appearances: 34th iChess Cup and 33th iChess Cup. Also played 1 rapid event (including 1st iChess Masters Rapid 2026) recently.

At junior level, he reached #72 and #57 nationally in U14 and U12.

Current rating

1452

Standard

Rpd1433·Blz—

All-time high

1474

−22 pts below
Sep 2025 · age 12

Activity

9

games / yr avg. · ≈1/mo

3 past 12 mo
classical only
Occasional

Signature stat

#203,328

#203,328 · players worldwide · of 218,279

Career timeline

6 entries
2026
72nd South Korean U14 player
at age 13 · rated 1467
Jan 2026
2025
All-time peak 1474
at age 12 · −22 from today
Sep 2025
57th South Korean U12 player
at age 12 · rated 1472
Aug 2025
Crossed 1400
at age 12
Jun 2025
Crossed 1200
at age 12
Jun 2025
First FIDE rating
1451 · at age 12
Jun 2025

Standard rating history

Peak
FIDE title
Threshold
First rated

Activity & highlights

Top opponent
vs Chanjoo Lee 1,643
33th iChess Cup · Jul 2025 · +29.1 Elo
Evolution
+1
1451 → 1452
Tournaments
2
15 games
Score
5.5/ 1536.7%
6W1D8L
Top 1 win
1.[W]vsChanjoo Lee1,643·33th iChess Cup·R6·+29.1
Top 2 losses
1.[L]vsHajoon Kim1,693·34th iChess Cup·R2·-8.5
2.[L]vsJaehyun Sung1,748·33th iChess Cup·R1·-6.8

Last 12 months — tournaments

2 events
EventDateScoreRankPerfΔ Elo
34th iChess Cup
Open Swiss
Sep 20252/2#572493-20.0
33th iChess Cup
Open Swiss
Jul 20253.5/2#382496+24.8
Worst Elo result: 34th iChess Cup (-20.0 Elo, finished #57).

Rankings

/
South Korea
#575
out of 718 players
Asia-Pacific
#45,428
in continent
World
#203,152
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
...
575🇰🇷Jeon, Sehyun1,452
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
...
45428🇰🇷Jeon, Sehyun1,452
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
...
203152🇰🇷Jeon, Sehyun1,452