Format
KS
Kjellberg, Sixten
🇸🇪FIDE 563001128· Male· Sweden· Born in 2007
Follow Sixten KjellbergTrack his monthly FIDE ratings, games, tournaments and more.
Sixten Kjellberg, a 19-year-old Swedish player, is rated 1845 — just 16 short of his peak of 1861 (Jan 2026, age 19). He plays occasionally (7 games in the last 12 months). Recent appearances: Stockholmsserien 2025-2026 div 4 r7 and Kungstornet KM 2025 R5. Also played 1 rapid event (including Farsta SK JGP 2025 A) recently.
At junior level, he reached #41 nationally in U20.
Current rating
1845
Standard
Rpd1691·Blz—
All-time high
1861
−16 pts below
Jan 2026 · age 19
Jan 2026 · age 19
Activity
14
games / yr avg. · ≈1/mo
7 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#62,840
#62,840 · players worldwide · of 218,279
Career timeline
5 entries2026
41st Swedish U20 player
at age 19 · rated 1861
Jan 2026
Crossed 1800
at age 19
Jan 2026
Crossed 1600
at age 19
Jan 2026
All-time peak 1861
at age 19 · −16 from today
Jan 2026
First FIDE rating
1861 · at age 19
Jan 2026
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Evolution
-16
1861 → 1845
Tournaments
7
9 games
Score
5/ 955.6%
4W2D3L
Top 1 win
Top 2 losses
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Mar 2026 | 0.5/1 | #15 | 1989 | +7.6 |
Team | Feb 2026 | 0/1 | #20 | 1008 | -22.8 |
Team | Dec 2025 | 0/1 | #21 | 924 | 0.0 |
Swiss | Dec 2025 | 1/1 | #2 | 1872 | 0.0 |
Team | Nov 2025 | 1/1 | #5 | 1819 | 0.0 |
Swiss | Nov 2025 | 1.5/2 | #1 | 1691 | 0.0 |
Swiss | Oct 2025 | 1/1 | #4 | 1255 | 0.0 |
Rankings
/
Sweden
#1,245
out of 3,410 players
Europe
#45,933
in continent
World
#62,839
out of 400,000+
National ranking
Europe & World
Europe
World
Sweden
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World
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