Format
SK
Sun, Kaichen
🇨🇳FIDE 8649499· Male· China· Born in 2006
Follow Kaichen SunTrack his monthly FIDE ratings, games, tournaments and more.
Kaichen Sun, a 20-year-old Chinese player, is rated 1689 — his current career high. He plays occasionally (4 games in the last 12 months). Recent appearance: London Chess League FIDE Weekender 26-28 September - Open. Also played 3 rapid (including Golders Green FIDE Rapid October 2025 - Open) and 5 blitz events (including Middlesex FIDE Blitz Number 6) recently.
At junior level, he reached #48 and #56 nationally in U20 and U18.
Current rating
1689
Standard
Rpd1682·Blz1801
All-time high
1689
at best
Nov 2025 · age 19
Nov 2025 · age 19
Activity
13
games / yr avg. · ≈1/mo
4 past 12 mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#113,684
#113,684 · players worldwide · of 216,808
Career timeline
8 entries2025
48th Chinese U20 player
at age 19 · rated 1689
Nov 2025
All-time peak 1689
at age 19
Nov 2025
2024
56th Chinese U18 player
at age 18 · rated 1647
Dec 2024
Best 12-month gain (+313 Elo)
1334 → 1647
Dec 2024
Crossed 1600
at age 18
Mar 2024
Crossed 1500
at age 18
Mar 2024
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
+52
1637 → 1689
Tournaments
1
4 games
Score
2/ 450.0%
2W0D2L
Top 2 wins
Top 2 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Sep 2025 | 2/4 | #13 | 1933 | +52.0 |
Rankings
/
China
#733
out of 1,857 players
Asia-Pacific
#15,694
in continent
World
#113,681
out of 400,000+
National ranking
Europe & World
Europe
World
China
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| 733 | 1,689 | |
Asia-Pacific
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| ... | ||
| 15694 | 1,689 | |
World
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| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
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| ... | ||
| 113681 | 1,689 | |