Format
CJ
Chai, Jiaqi
🇨🇳FIDE 8663513· Male· China· Born in 2014
Follow Jiaqi ChaiTrack his monthly FIDE ratings, games, tournaments and more.
Jiaqi Chai, a 12-year-old Chinese player, is rated 1727 — his current career high. He is on a breakout run, having gained +90 Elo over the past 12 months. 21 rated games in the past year. Recent standard appearances include 23rd Bangkok Chess Club Challenger 2026, 3rd The Rooky Mini-Open 2026 - Standard Open, and Chinese National Youth Chess Championship 2026(B12). Also played 2 rapid (including 2025 China Youth Rapid Championship(U12)) and 2 blitz events (including HKCCFL International Blitz Championship 2025) recently.
At junior level, he reached #64 nationally in U12.
Current rating
1727
Standard
Rpd1687·Blz1722
All-time high
1727
at best
May 2026 · age 12
May 2026 · age 12
Activity
50
games / yr avg. · ≈4/mo
21 past 12 mo · ≈2/mo
classical only
Active
classical only
Active
Signature stat
#100,323
#100,323 · players worldwide · of 216,808
Career timeline
7 entries2026
64th Chinese U12 player
at age 12 · rated 1727
May 2026
Best 12-month gain (+90 Elo)
1637 → 1727
May 2026
All-time peak 1727
at age 12
May 2026
Crossed 1600
at age 12
Jan 2026
Crossed 1500
at age 12
Jan 2026
Crossed 1400
at age 12
Jan 2026
Standard rating history
Last 12 months — activity & highlights
Evolution
+90
1637 → 1727
Tournaments
4
36 games
Score
17.5/ 3648.6%
12W11D13L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 5.5/8 | #22 | 1972 | +98.4 |
Open Swiss | Apr 2026 | 2/2 | #45 | 2794 | -8.4 |
Open Swiss | Feb 2026 | 5.5/2 | #146 | 2630 | 0.0 |
Open Swiss | Dec 2025 | 4.5/9 | #32 | 1600 | 0.0 |
Rankings
/
China
#591
out of 1,857 players
Asia-Pacific
#13,177
in continent
World
#100,322
out of 400,000+
National ranking
Europe & World
Europe
World
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