Format
KT
Karlsson, Thorleifur
🇮🇸FIDE 2305062· Male· Iceland· Born in 1975
Follow Thorleifur KarlssonTrack his monthly FIDE ratings, games, tournaments and more.
Thorleifur Karlsson, a 51-year-old Icelandic player, is rated 1973. He plays occasionally (5 games in the last 12 months). Recent appearances: Icelandic Team Chess Championship 2025-26 - 1st league Round 5-7 and Icelandic Team Chess Championship 2025-26 - 1st league Round 1-4. Also played 2 rapid (including Skathing Nordlendinga 2025) and 3 blitz events (including Hradskakmot Nordlendinga 2025) recently. His peak of 2023 was reached at age 46 (Dec 2021); he also reached Icelandic #99 in Nov 2025.
Current rating
1973
Standard
Rpd1893·Blz2008
All-time high
2023
−50 pts below
Dec 2021 · age 46
Dec 2021 · age 46
Activity
6
games / yr avg. · ≈1/mo
5 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#32,077
#32,077 · players worldwide · of 218,279
Career timeline
12 entries2026
16th Icelandic 50-55 player
at age 51 · rated 1985
Mar 2026
2025
Peak Icelandic rank: #99
at age 50 · rated 1987
Nov 2025
2023
K-factor lowered to 20
at age 48
Apr 2023
2022
17th Icelandic 45-50 player
at age 47 · rated 2023
Apr 2022
2021
All-time peak 2023
at age 46 · −50 from today
Dec 2021
2020
14th Icelandic 40-45 player
at age 45 · rated 2012
Oct 2020
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-14
1987 → 1973
Tournaments
2
5 games
Score
1.5/ 530.0%
1W1D3L
Top 1 win
1.[W]vsJulius Fridjonsson2,054·Icelandic Team Chess Championship 2025-26 - 1st league Round 1-4·R1·+12.0
Top 3 losses
1.[L]vsGudrun Fanney BriemWCM1,998·Icelandic Team Chess Championship 2025-26 - 1st league Round 5-7·R6·-9.3
2.[L]vsBragi Halldorsson2,064·Icelandic Team Chess Championship 2025-26 - 1st league Round 1-4·R3·-7.8
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Mar 2026 | 0.5/2 | #48 | 1765 | -12.4 |
Open Swiss | Nov 2025 | 1/3 | #34 | 1966 | -2.0 |
Most-Played Opponents
vsAskell O KarasonIM
🇮🇸ISL·2135
+2 −6 =1
9 games·last met Jan 2026
View head-to-head →
vsMarkus Orri Oskarsson
🇮🇸ISL·2159
+5 −2 =1
8 games·last met Jan 2026
View head-to-head →
vsSigurdur Eiriksson
🇮🇸ISL·1793
+6 −0 =1
7 games·last met Jan 2026
View head-to-head →
vsArnar Ingi Njardarson
🇮🇸ISL·1601
+5 −0 =2
7 games·last met Feb 2025
View head-to-head →
vsJon Kristinn ThorgeirssonFM
🇮🇸ISL·2271
+0 −6 =0
6 games·last met Sep 2025
View head-to-head →
Rankings
/
Iceland
#122
out of 643 players
Europe
#23,715
in continent
World
#32,076
out of 400,000+
National ranking
Europe & World
Europe
World
Iceland
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| 122 | 1,973 | |
Europe
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World
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| 32076 | 1,973 | |