Format
SS
Sigvaldsen, Sebastian
🇳🇴FIDE 1569660· Male· Norway· Born in 2010
Follow Sebastian SigvaldsenTrack his monthly FIDE ratings, games, tournaments and more.
Sebastian Sigvaldsen, a 16-year-old Norwegian player, is rated 1804 — his current career high. He is climbing fast, having gained +172 Elo over the past 12 months. 52 rated games in the past year (≈38/year long-term). Recent standard appearances include Fagernes Chess International 2026 open, Ostlandsserien div 2 B 2025-2026 R 6-7, and NM for barn og ungdom 2025 B. Also played 12 rapid (including Det apne NM i hurtigsjakk 2026 A) and 12 blitz events (including Fagernes Autum Blitz II NGP) recently.
At junior level, he reached #30, #52 and #51 nationally in U16, U14 and U12.
Current rating
1804
Standard
Rpd1828·Blz1843
All-time high
1804
at best
Jun 2026 · age 16
Jun 2026 · age 16
Activity
40
games / yr avg. · ≈3/mo
50 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#75,134
#75,134 · players worldwide · of 218,279
Career timeline
10 entries2026
30th Norwegian U16 player
at age 16 · rated 1804
Jun 2026
Crossed 1800
at age 16
Jun 2026
All-time peak 1804
at age 16
Jun 2026
2025
100 career games
at age 15
Nov 2025
Re-crossed 1600
at age 15
Apr 2025
2024
Best 12-month gain (+576 Elo)
1029 → 1605
Nov 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
+172
1632 → 1804
Tournaments
9
50 games
Score
26/ 5052.0%
17W18D15L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 3.5/4 | #1 | 2022 | +43.2 |
Open Swiss | Mar 2026 | 4.5/9 | #17 | 1769 | +17.6 |
Team | Mar 2026 | 1.5/2 | #5 | 1942 | +22.0 |
Team | Jan 2026 | 0.5/2 | #27 | 1665 | -6.8 |
Team | Dec 2025 | 0/1 | #27 | 1001 | -16.8 |
Swiss | Nov 2025 | 3/5 | #20 | 1644 | -6.4 |
Most-Played Opponents
vsMikael Ruud
🇳🇴NOR·1789
+2 −6 =5
13 games·last met Apr 2026
View head-to-head →
vsDaniel O Vollheim
🇳🇴NOR·1758
+0 −7 =3
10 games·last met Apr 2026
View head-to-head →
vsTerje Kevin G Lysen
🇳🇴NOR·1918
+1 −7 =1
9 games·last met Nov 2025
View head-to-head →
vsMarie Vatneodegard
🇳🇴NOR·1534
+3 −1 =3
7 games·last met Jul 2025
View head-to-head →
vsEdvard Vallestrand Berg
🇳🇴NOR·1766
+2 −3 =1
6 games·last met May 2026
View head-to-head →
Rankings
/
Norway
#708
out of 2,669 players
Europe
#54,418
in continent
World
#75,133
out of 400,000+
National ranking
Europe & World
Europe
World
Norway
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| 54418 | 1,804 | |
World
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