Format
LY
Lee, Yoonsoo
🇰🇷FIDE 13222899· Male· South Korea· Born in 2011
Follow Yoonsoo LeeTrack his monthly FIDE ratings, games, tournaments and more.
Yoonsoo Lee, a 15-year-old South Korean player, is rated 1525 — his current career high. He is on a breakout run, having gained +114 Elo over the past 12 months. 46 rated games in the past year (≈38/year long-term). Recent standard appearances include Olympiad Qualifier 2026 (Men), 38th iChess Cup, and 2026 Korea National Championship - Men. Also played 2 rapid (including 27th Asian Youth Chess Championships 2025 - Rapid U14) and 2 blitz events (including 27th Asian Youth Chess Championships 2025 - Blitz U14) recently.
At junior level, he reached #70 and #49 nationally in U16 and U14.
Current rating
1525
Standard
Rpd1467·Blz1445
All-time high
1525
at best
Jun 2026 · age 15
Jun 2026 · age 15
Activity
38
games / yr avg. · ≈3/mo
43 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#175,974
#175,974 · players worldwide · of 218,279
Career timeline
9 entries2026
70th South Korean U16 player
at age 15 · rated 1525
Jun 2026
Best 12-month gain (+114 Elo)
1411 → 1525
Jun 2026
Re-crossed 1500
at age 15
Jun 2026
All-time peak 1525
at age 15
Jun 2026
Crossed 1500
at age 15
Mar 2026
2025
49th South Korean U14 player
at age 14 · rated 1492
Jan 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Evolution
+67
1458 → 1525
Tournaments
9
64 games
Score
26/ 6440.6%
20W12D32L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
9 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 2/7 | #33 | 1526 | +8.0 |
Open Swiss | May 2026 | 3.5/5 | #9 | 1744 | +28.0 |
Open Swiss | Feb 2026 | 1.5/7 | #60 | 1516 | +6.8 |
Swiss | Feb 2026 | 3/3 | #18 | 2382 | +2.0 |
Open Swiss | Jan 2026 | 3.5/4 | #24 | 1926 | +1.2 |
Open Swiss | Nov 2025 | 2/6 | #66 | 1563 | +14.4 |
Open Swiss | Sep 2025 | 4/2 | #34 | 2339 | +8.4 |
Open Swiss | Jul 2025 | 3/2 | #50 | 2477 | +0.8 |
Swiss | Jun 2025 | 3.5/6 | #14 | 1703 | +48.0 |
Hot streak: 9 tournaments without losing Elo.
Rankings
/
South Korea
#459
out of 718 players
Asia-Pacific
#33,619
in continent
World
#175,936
out of 400,000+
National ranking
Europe & World
Europe
World
South Korea
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| ... | ||
| 459 | 1,525 | |
Asia-Pacific
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| ... | ||
| 33619 | 1,525 | |
World
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| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
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| ... | ||
| 175936 | 1,525 | |