Format
SJ
Seo, Juwon
🇰🇷FIDE 13216597· Male· South Korea· Born in 2014
Follow Juwon SeoTrack his monthly FIDE ratings, games, tournaments and more.
Juwon Seo, a 12-year-old South Korean player, is rated 1834 and sitting in the top 5% of players worldwide under 12. He has fluctuated between 1700 and 1932 over the past 2 years. 61 rated games in the past year (≈58/year long-term). Recent standard appearances include 33rd Korea Chess League Div2 Round 5-6, 33rd Korea Chess League Division 1 Round 3-4, and 33rd Korea Chess League Division 1 Round 1-2. Also played 1 rapid (including 1st YeonsuGu Mayor's Cup) and 2 blitz events (including Almaty Open blitz tournament 2025) recently. His peak of 1932 was reached at age 11 (Sep 2025); he also reached South Korean #21 in Jul 2025.
At junior level, he reached #1, #1 and #3 nationally in U12, U10 and U8.
Current rating
1834
Standard
Rpd1803·Blz1812
All-time high
1932
−98 pts below
Sep 2025 · age 11
Sep 2025 · age 11
Activity
62
games / yr avg. · ≈5/mo
59 past 12 mo · ≈5/mo
classical only
Active
classical only
Active
Signature stat
Top 5%
#658 · players worldwide under 12 · of 14,529
Career timeline
11 entries2025
All-time peak 1932
at age 11 · −98 from today
Sep 2025
Peak South Korean rank: #21
at age 11 · rated 1928
Jul 2025
1st South Korean U12 player
at age 11 · rated 1928
Jul 2025
2024
Re-crossed 1800
at age 10
Dec 2024
100 career games
at age 10
Aug 2024
1st South Korean U10 player
at age 10 · rated 1826
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
-94
1928 → 1834
Tournaments
14
59 games
Score
34.5/ 5958.5%
31W7D21L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
14 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | May 2026 | 0.5/2 | #25 | 1730 | -12.0 |
Team | Apr 2026 | 0.5/2 | #27 | 1878 | -7.6 |
Team | Mar 2026 | 1/2 | #21 | 1963 | +11.6 |
Team | Mar 2026 | 2/2 | #6 | 2675 | +42.4 |
Open Swiss | Feb 2026 | 3/7 | #38 | 1720 | -53.6 |
Open Swiss | Feb 2026 | 5/7 | #6 | 1832 | -6.8 |
Team | Dec 2025 | 0/2 | #33 | 1125 | -37.2 |
Team | Nov 2025 | 1/2 | #21 | 2002 | +12.0 |
Team | Oct 2025 | 2/2 | #4 | 2672 | +39.6 |
Open Swiss | Sep 2025 | 6.5/11 | #45 | 1878 | -29.2 |
Most-Played Opponents
vsYugeon Lee
🇰🇷KOR·1970
+3 −2 =4
9 games·last met Feb 2026
View head-to-head →
vsTaewoo Kim
🇰🇷KOR·1817
+5 −3 =0
8 games·last met Jun 2025
View head-to-head →
vsJoowon Bae
🇰🇷KOR·1569
+4 −0 =2
6 games·last met Feb 2026
View head-to-head →
vsEchae Kim
🇰🇷KOR·1815
+5 −1 =0
6 games·last met Feb 2025
View head-to-head →
vsSejun Oh
🇰🇷KOR·1783
+4 −1 =1
6 games·last met Jun 2024
View head-to-head →
Rankings
/
South Korea
#71
out of 718 players
Asia-Pacific
#7,917
in continent
World
#66,010
out of 400,000+
National ranking
Europe & World
Europe
World
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