Format
BJ
Byun, Junseok
🇰🇷FIDE 13223100· Male· South Korea· Born in 2011
Follow Junseok ByunTrack his monthly FIDE ratings, games, tournaments and more.
Junseok Byun, a 15-year-old South Korean player, is rated 1787. He is rising rapidly, having gained +96 Elo over the past 12 months. 52 rated games in the past year (≈39/year long-term). Recent standard appearances include Via May Invitational (Candidates), 33rd Korea Chess League Division 1 Round 5-6, and Via Spring Invitational (Apprentices). Also played 2 rapid (including 27th Asian Youth Chess Championships 2025 - Rapid U14) and 1 blitz events (including 27th Asian Youth Chess Championships 2025 - Blitz U14) recently. His peak of 1851 was reached at age 15 (Apr 2026, South Korean #58 at the time).
At junior level, he reached #10, #7 and #28 nationally in U16, U14 and U12.
Current rating
1787
Standard
Rpd1694·Blz1788
All-time high
1851
−64 pts below
Apr 2026 · age 15
Apr 2026 · age 15
Activity
38
games / yr avg. · ≈3/mo
50 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#80,438
#80,438 · players worldwide · of 218,279
Career timeline
11 entries2026
Peak South Korean rank: #58
at age 15 · rated 1851
Apr 2026
10th South Korean U16 player
at age 15 · rated 1851
Apr 2026
Re-crossed 1800
at age 15
Apr 2026
All-time peak 1851
at age 15 · −64 from today
Apr 2026
2025
7th South Korean U14 player
at age 14 · rated 1821
Oct 2025
Crossed 1800
at age 14
Oct 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
-1
1788 → 1787
Tournaments
11
51 games
Score
27/ 5152.9%
23W8D20L
Top 3 wins
2.[W]vsRumi Arjuna Malique Cairel Adrin1,853·27th Asian Youth Chess Championships 2025 - U14·R7·+23.0
Top 3 losses
Last 12 months — tournaments
11 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Round-Robin | May 2026 | 3/7 | #7 | 1716 | -47.6 |
Team | May 2026 | 1/2 | #11 | 1807 | -3.2 |
Team | Apr 2026 | 1/2 | #16 | 1748 | -11.6 |
Round-Robin | Mar 2026 | 5.5/9 | #3 | 1821 | +54.0 |
Open Swiss | Feb 2026 | 4.5/7 | #10 | 1942 | +82.4 |
Team | Dec 2025 | 0/2 | #19 | 974 | -42.8 |
Open Swiss | Nov 2025 | 3.5/8 | #49 | 1772 | -41.2 |
Team | Nov 2025 | 0/2 | #33 | 1202 | -21.6 |
Team | Sep 2025 | 1/2 | #16 | 1859 | +8.0 |
Team | Aug 2025 | 2/2 | #4 | 2431 | +23.2 |
Rankings
/
South Korea
#104
out of 718 players
Asia-Pacific
#9,913
in continent
World
#80,436
out of 400,000+
National ranking
Europe & World
Europe
World
South Korea
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Asia-Pacific
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| 9913 | 1,787 | |
World
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| 80436 | 1,787 | |