Format
ST
Sigurdsson, Thorsteinn G
🇮🇸FIDE 2313278· Male· Iceland· Born in 1960
Follow Thorsteinn G SigurdssonTrack his monthly FIDE ratings, games, tournaments and more.
Thorsteinn G Sigurdsson, a 66-year-old Icelandic player, is rated 1786 — just 30 short of his peak of 1816 (Dec 2025, age 65). He has fluctuated between 1754 and 1816 over the past 2 years. 21 rated games in the past year (≈3/year long-term). Recent standard appearances include Icelandic Team Chess Championship 2025-26 - 4th league Rounds 5-7, Skakthing Reykjavikur Round 1-7, and Skakthing Kopavogs 2026 - Round 4-7. Also played 16 rapid (including TR Rapid 2026 Mai #2) and 38 blitz events (including Harpa Blitz 2026) recently.
Current rating
1786
Standard
Rpd1656·Blz1731
All-time high
1816
−30 pts below
Dec 2025 · age 65
Dec 2025 · age 65
Activity
9
games / yr avg. · ≈1/mo
21 past 12 mo · ≈2/mo
classical only
Occasional
classical only
Occasional
Signature stat
#80,760
#80,760 · players worldwide · of 218,279
Career timeline
9 entries2026
K-factor lowered to 20
at age 66
Feb 2026
21st Icelandic 65-70 player
at age 66 · rated 1816
Jan 2026
2025
28th Icelandic 60-65 player
at age 65 · rated 1816
Dec 2025
Re-crossed 1800
at age 65
Dec 2025
All-time peak 1816
at age 65 · −30 from today
Dec 2025
Crossed 1800
at age 65
Apr 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-15
1801 → 1786
Tournaments
5
23 games
Score
12/ 2352.2%
9W6D8L
Top 3 wins
2.[W]vsJon Eggert Hallsson1,838·Icelandic Team Chess Championship 2025-26 - 4th league Round 1-4·R4·+21.3
3.[W]vsArnar Sigurmundsson1,740·Icelandic Team Chess Championship 2025-26 - 4th league Round 1-4·R1·+15.7
Top 3 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Mar 2026 | 2.5/2 | #15 | 2470 | +14.2 |
Most-Played Opponents
vsRoberto Eduardo Osorio Ferrer
🇻🇪VEN·1868
+11 −21 =1
33 games·last met Apr 2026
View head-to-head →
vsKristjan Orn Eliasson
🇮🇸ISL·1928
+6 −23 =3
32 games·last met May 2026
View head-to-head →
vsBjorgvin Kristbergsson
🇮🇸ISL
+30 −0 =0
30 games·last met May 2026
View head-to-head →
vsArnar Ingi Njardarson
🇮🇸ISL·1601
+18 −10 =2
30 games·last met Apr 2026
View head-to-head →
vsTomas Sindri Leosson
🇮🇸ISL·1647
+17 −10 =0
27 games·last met May 2026
View head-to-head →
Rankings
/
Iceland
#250
out of 643 players
Europe
#58,260
in continent
World
#80,758
out of 400,000+
National ranking
Europe & World
Europe
World
Iceland
| 1 | 🇮🇸Follow Vignir Vatnar StefanssonTrack their monthly FIDE ratings, games, tournaments and more. | 2,540 |
| 2 | 🇮🇸Follow Hedinn SteingrimssonTrack their monthly FIDE ratings, games, tournaments and more. | 2,502 |
| 3 | 🇮🇸Follow Johann HjartarsonTrack their monthly FIDE ratings, games, tournaments and more. | 2,467 |
| 4 | 🇮🇸Follow Henrik DanielsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,466 |
| 5 | 🇮🇸Follow Helgi OlafssonTrack their monthly FIDE ratings, games, tournaments and more. | 2,447 |
| 6 | 🇮🇸Follow Helgi Ass GretarssonTrack their monthly FIDE ratings, games, tournaments and more. | 2,420 |
| 7 | 🇮🇸Follow Hannes StefanssonTrack their monthly FIDE ratings, games, tournaments and more. | 2,419 |
| 8 | 🇮🇸Follow Jon Viktor GunnarssonTrack their monthly FIDE ratings, games, tournaments and more. | 2,414 |
| 9 | 🇮🇸Follow Karl ThorsteinsTrack their monthly FIDE ratings, games, tournaments and more. | 2,407 |
| 10 | 🇮🇸Follow Jon L ArnasonTrack their monthly FIDE ratings, games, tournaments and more. | 2,404 |
| ... | ||
| 250 | 1,786 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 4 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,744 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 7 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,721 |
| 9 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,713 |
| ... | ||
| 58260 | 1,786 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 80758 | 1,786 | |