Format
SL
Siu, Liam
🇺🇸FIDE 39972607· Male· United States of America· Born in 2013
Follow Liam SiuTrack his monthly FIDE ratings, games, tournaments and more.
Liam Siu, a 13-year-old American player, is rated 1728. He has fluctuated between 1695 and 1813 over the past 2 years. 39 rated games in the past year (≈38/year long-term). Recent standard appearances include 2026 April ICA FIDE Championship, 2026 March Marshall Monthly FIDE - U2400, and 58th annual Liberty Bell Open - U2100. His peak of 1813 was reached at age 12 (Oct 2025).
At junior level, he reached #99 nationally in U12.
Current rating
1728
Standard
Rpd—·Blz—
All-time high
1813
−85 pts below
Oct 2025 · age 12
Oct 2025 · age 12
Activity
35
games / yr avg. · ≈3/mo
39 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#100,111
#100,111 · players worldwide · of 218,279
Career timeline
6 entries2025
99th American U12 player
at age 12 · rated 1813
Oct 2025
Best 12-month gain (+89 Elo)
1724 → 1813
Oct 2025
Crossed 1800
at age 12
Oct 2025
All-time peak 1813
at age 12 · −85 from today
Oct 2025
Crossed 1600
at age 12
Mar 2025
First FIDE rating
1724 · at age 12
Mar 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Best result
147th Annual New York State Championship America's Oldest Annual Tournament - U2100perf 2077 (+264) · 4/5 · #3
Top opponent
Best comeback
147th Annual New York State Championship America's Oldest Annual Tournament - U2100finished #3 (seeded #14 of 50)
Evolution
+4
1724 → 1728
Tournaments
11
46 games
Score
25.5/ 4655.4%
15W21D10L
Top 3 wins
Top 3 losses
1.[L]vsSebastian Goodrich1,568·2025 Marshall Chess Club Amateur Championship - Jerry Simon Memorial·R2·-29.0
Last 12 months — tournaments
11 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 1.5/3 | #46 | 1770 | -16.0 |
Swiss | Apr 2026 | 1/1 | #21 | 2738 | +10.4 |
Swiss | Mar 2026 | 1.5/4 | #46 | 1781 | +8.0 |
Open Swiss | Jan 2026 | 3.5/3 | #77 | 2479 | -1.6 |
Swiss | Jan 2026 | 2/4 | #9 | 1850 | +32.8 |
Open Swiss | Dec 2025 | 5/8 | #21 | 1624 | -40.4 |
Open Swiss | Nov 2025 | 2.5/3 | #44 | 1865 | -30.4 |
Swiss | Nov 2025 | 2/2 | #5 | 2505 | +12.8 |
Swiss | Nov 2025 | 1.5/4 | #40 | 1651 | -29.2 |
Swiss | Oct 2025 | 1/2 | #15 | 1719 | -30.8 |
Rankings
/
United States of America
#3,007
out of 5,510 players
Americas
#11,902
in continent
World
#100,109
out of 400,000+
National ranking
Europe & World
Europe
World
United States of America
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