Format
OW
Olsen, William Alexander
🇳🇴FIDE 1536915· Male· Norway· Born in 2008
Follow William Alexander OlsenTrack his monthly FIDE ratings, games, tournaments and more.
William Alexander Olsen, a 18-year-old Norwegian player, is rated 2149 and sitting in the top 4% of players worldwide under 18, and in the top 5% worldwide. He has fluctuated between 2064 and 2237 over the past 2 years. 82 rated games in the past year (≈37/year long-term). Recent standard appearances include Nordstrand GP Langsjakk 2026 M, Eliteserie kvalifisering 2026, and PRAGUE INTERNATIONAL CHESS FESTIVAL 2026 - D FIDE open. Also played 5 rapid (including NTG Hurtig-GP juni 2025) and 5 blitz events (including NTG Lyn-GP desember 2025) recently. His peak of 2237 was reached at age 18 (Mar 2026, Norwegian #78 at the time).
At junior level, he reached #6, #3, #7, #2, #2 and #4 nationally in U18, U16, U14, U12, U10 and U8.
Current rating
2149
Standard
Rpd2202·Blz2192
All-time high
2237
−88 pts below
Mar 2026 · age 18
Mar 2026 · age 18
Activity
63
games / yr avg. · ≈5/mo
82 past 12 mo · ≈7/mo
classical only
Active
classical only
Active
Signature stat
Top 4%
#654 · players worldwide under 18 · of 15,441
Career timeline
18 entries2026
Peak Norwegian rank: #78
at age 18 · rated 2237
Mar 2026
6th Norwegian U18 player
at age 18 · rated 2237
Mar 2026
Crossed 2200
at age 18
Mar 2026
All-time peak 2237
at age 18 · −88 from today
Mar 2026
2025
Re-crossed 2100
at age 17
Mar 2025
2024
Re-crossed 2100
at age 16
Dec 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
Activity & highlights
Top opponent
Evolution
+6
2143 → 2149
Tournaments
16
83 games
Score
49/ 8359.0%
40W18D25L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
13 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Jun 2026 | 5.5/7 | #3 | 2346 | +66.0 |
Open Swiss | May 2026 | 5/7 | #7 | 2105 | -0.4 |
Team | May 2026 | 3/5 | #36 | 2096 | -4.8 |
Swiss | Apr 2026 | 2/5 | #13 | 2023 | -52.4 |
Swiss | Apr 2026 | 1.5/3 | #16 | 2150 | -10.8 |
Open Swiss | Feb 2026 | 4/8 | #191 | 2111 | -19.2 |
Swiss | Feb 2026 | 4.5/6 | #2 | 2352 | +62.0 |
Team | Feb 2026 | 2/2 | #2 | 2753 | +19.6 |
Team | Jan 2026 | 1/1 | #26 | 2677 | +8.4 |
Team | Dec 2025 | 0/2 | #43 | 1331 | -48.0 |
Most-Played Opponents
vsElias Hestvik
🇳🇴NOR·2001
+9 −5 =2
16 games·last met Nov 2021
View head-to-head →
vsElham AmarGM
🇳🇴NOR·2584
+0 −12 =2
14 games·last met Jan 2026
View head-to-head →
vsGisle Bjugn
🇳🇴NOR·1922
+5 −8 =0
13 games·last met Jan 2026
View head-to-head →
vsIsak Vinh BrattgjerdFM
🇳🇴NOR·2255
+6 −6 =1
13 games·last met Aug 2025
View head-to-head →
vsKim Roger Hansen WestrumCM
🇳🇴NOR·2152
+7 −2 =4
13 games·last met Jun 2024
View head-to-head →
Rankings
/
Norway
#126
out of 2,669 players
Europe
#8,099
in continent
World
#11,305
out of 400,000+
National ranking
Europe & World
Europe
World
Norway
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Europe
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| 8099 | 2,149 | |
World
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| 11305 | 2,149 | |