Format
OW
Olsson, William
IM🇸🇪FIDE 1741721· Male· Sweden· Born in 2005
Follow William OlssonTrack his monthly FIDE ratings, games, tournaments and more.
William Olsson, a 21-year-old Swedish International Master, is rated 2376 — just 24 short of his peak of 2400 (Aug 2023, age 18) and ranked 35th among Swedish players, and in the top 1% worldwide. He has held steady between 2350 and 2400 for 2 years. 46 rated games in the past year (≈62/year long-term). Recent standard appearances include Paskturneringen 2026 std, Allsvenskan 2025-2026 Elitserien r7-9, and Elite Hotels Open 2026 std. Also played 3 rapid (including Stockholm Grand Prix 2025 rpd) and 3 blitz events (including JSCA Rilton Blitz 2026) recently. He reached Swedish #31 in Feb 2026.
Awarded IM in 2024 (age 19) and FM in 2021 (age 16). At junior level, he reached World #63 in U18, World #56 in U16, World #94 in U14 and #1 and #1 nationally in U20 and U12.
Current rating
2376
Standard
Rpd2274·Blz2171
All-time high
2400
−24 pts below
Aug 2023 · age 18
Aug 2023 · age 18
Activity
49
games / yr avg. · ≈4/mo
46 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#35
#35 · Swedish players · of 2,915
Career timeline
22 entries2026
Peak Swedish rank: #31
at age 21 · rated 2386
Feb 2026
2024
IM title awardedIM
at age 19 · 2024 1st FIDE Council
May 2024
1st Swedish U20 player
at age 19 · rated 2379
Jan 2024
2023
63rd U18 player worldwide
at age 18 · rated 2400
Aug 2023
Crossed 2400
at age 18
Aug 2023
All-time peak 2400
at age 18 · −24 from today
Aug 2023
Standard rating history
Activity & highlights
Evolution
+11
2365 → 2376
Tournaments
12
41 games
Score
26.5/ 4164.6%
19W15D7L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
12 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 3.5/6 | #44 | 2235 | -9.2 |
Team | Mar 2026 | 2/3 | #20 | 2542 | +7.0 |
Open Swiss | Feb 2026 | 2.5/4 | #35 | 2207 | -7.7 |
Team | Jan 2026 | 1.5/3 | #31 | 2358 | -0.4 |
Team | Dec 2025 | 0/1 | #68 | 1676 | -3.9 |
Team | Nov 2025 | 1.5/3 | #41 | 2477 | +3.7 |
Team | Nov 2025 | 5/5 | #3 | 2939 | +11.0 |
Team | Nov 2025 | 1/1 | #26 | 3159 | +4.8 |
Open Swiss | Nov 2025 | 2/4 | #65 | 2240 | -6.6 |
Team | Oct 2025 | 0.5/1 | #36 | 2251 | -1.7 |
Most-Played Opponents
vsArvin RastiFM
🇸🇪SWE·2305
+9 −15 =6
30 games·last met Feb 2026
View head-to-head →
vsGustav TorngrenFM
🇸🇪SWE·2348
+5 −11 =4
20 games·last met Nov 2024
View head-to-head →
vsGustav Lindholm
🇸🇪SWE·2105
+12 −4 =2
18 games·last met Feb 2026
View head-to-head →
vsErik Dingertz
🇸🇪SWE·2219
+6 −4 =2
12 games·last met Feb 2026
View head-to-head →
vsLove Troberg Eskola
🇸🇪SWE·2114
+1 −10 =0
11 games·last met Dec 2023
View head-to-head →
Rankings
/
Sweden
#35
out of 3,415 players
Europe
#1,340
in continent
World
#2,109
out of 400,000+
National ranking
Europe & World
Europe
World
Sweden
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Europe
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| 1340 | 2,376 | |
World
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