Format
OS
Oh, Siyoun
🇰🇷FIDE 13203860· Female· South Korea· Born in 2004
Follow Siyoun OhTrack her monthly FIDE ratings, games, tournaments and more.
Siyoun Oh, a 22-year-old South Korean player, is rated 1408 — just 18 short of her peak of 1426 (Mar 2024, age 20). She plays occasionally (3 games in the last 12 months) and took a 86-month break between Jan 2019 and Apr 2026. Recent appearance: 33rd Korea Chess League Div4b Round 3-4.
At junior level, she reached #29, #32 and #23 nationally in U16, U14 and U12.
Current rating
1408
Standard
Rpd—·Blz—
All-time high
1426
−18 pts below
Mar 2024 · age 20
Mar 2024 · age 20
Activity
1
games / yr avg.
3 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#216,152
#216,152 · players worldwide · of 218,279
Career timeline
10 entries2024
Crossed 1400
at age 20
Mar 2024
Crossed 1200
at age 20
Mar 2024
All-time peak 1426
at age 20 · −18 from today
Mar 2024
2023
K-factor lowered to 20
at age 19
Jan 2023
2019
29th South Korean U16 player
at age 15 · rated 1044
Dec 2019
Inactive for 86 months
paused at 1044 → returned at 1414
Jan 2019
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Evolution
-18
1426 → 1408
Tournaments
2
4 games
Score
0/ 40.0%
0W0D4L
Top wins
No standard wins or draws in the last 12 months.
Top 3 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | May 2026 | 0/1 | #18 | 802 | -5.0 |
Team | Mar 2026 | 0/2 | #20 | 766 | -12.6 |
Rankings
/
South Korea
#638
out of 718 players
Asia-Pacific
#51,601
in continent
World
#215,563
out of 400,000+
National ranking
Europe & World
Europe
World
South Korea
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