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Walgren, William Arntzen

🇳🇴

FIDEFIDE 1562088· Male· Norway· Born in 2010

Follow William Arntzen WalgrenTrack his monthly FIDE ratings, games, tournaments and more.

William Arntzen Walgren, a 16-year-old Norwegian player, is rated 2167 — his current career high and sitting in the top 2% of players worldwide under 16, and in the top 5% worldwide. He is on a steady climb with +45 Elo over the past 12 months. 57 rated games in the past year (≈45/year long-term). Recent standard appearances include Eliteserie kvalifisering 2026, Ostlandsserien div 1 2025-2026 R 8-9, and NM for barne og ungdomslag 2026 Junior. Also played 3 rapid (including NTG Hurtig-GP juni 2025) and 6 blitz events (including NTG Lyn-GP desember 2025) recently.

At junior level, he reached #7, #4, #6 and #4 nationally in U16, U14, U12 and U10.

Current rating

2167

Standard

Rpd2017·Blz2086

All-time high

2167

at best
Jun 2026 · age 16

Activity

51

games / yr avg. · ≈4/mo

57 past 12 mo · ≈5/mo
classical only
Active

Signature stat

Top 2%

#402 · players worldwide under 16 · of 20,363

Career timeline

12 entries
2026
All-time peak 2167
at age 16
Jun 2026
Re-crossed 2100
at age 16
May 2026
2025
7th Norwegian U16 player
at age 15 · rated 2122
May 2025
Crossed 2100
at age 15
May 2025
Crossed 2000
at age 15
Jan 2025
2024
4th Norwegian U14 player
at age 14 · rated 1947
May 2024

Standard rating history

Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.

Activity & highlights

Best result
NM for barne og ungdomslag 2026 Junior
perf 2237 (+143) · 5.5/6 · #2
Top opponent
vs Zanas NainysFM 2,357
Evolution
+61
21062167
Tournaments
12
54 games
Score
33.5/ 5462.0%
27W13D14L

Last 12 months — tournaments

11 events
EventDateScoreRankPerfΔ Elo
Team
May 20265/6#72193+24.4
Swiss
Apr 20263/3#22828+50.4
Team
Mar 20260/2#551652-14.0
Team
Feb 20265.5/6#22237+33.6
Team
Feb 20260.5/2#412038-2.4
Team
Jan 20261.5/2#112441+42.4
Team
Dec 20250/1#471309-17.6
Swiss
Nov 20253/5#172081+17.6
Team
Nov 20250.5/1#342234+10.8
Open Swiss
Oct 20255/10#1062075-69.2
Worst Elo result: World Youth Chess Championship 2025 - U16 (-69.2 Elo, finished #106).

Most-Played Opponents

Rankings

/
Norway
#117
out of 2,669 players
Europe
#7,193
in continent
World
#10,113
out of 400,000+

National ranking

Europe & World

Europe
World
Norway
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇳🇴Christiansen, Johan-SebastianFollow Johan-Sebastian ChristiansenTrack their monthly FIDE ratings, games, tournaments and more.
2,647
3
🇳🇴Tari, AryanFollow Aryan TariTrack their monthly FIDE ratings, games, tournaments and more.
2,641
4
🇳🇴Amar, ElhamFollow Elham AmarTrack their monthly FIDE ratings, games, tournaments and more.
2,584
5
🇳🇴Hammer, Jon LudvigFollow Jon Ludvig HammerTrack their monthly FIDE ratings, games, tournaments and more.
2,574
6
🇳🇴Urkedal, Frode Olav OlsenFollow Frode Olav Olsen UrkedalTrack their monthly FIDE ratings, games, tournaments and more.
2,566
7
🇳🇴Agdestein, SimenFollow Simen AgdesteinTrack their monthly FIDE ratings, games, tournaments and more.
2,525
8
🇳🇴Holm, Kristian StuvikFollow Kristian Stuvik HolmTrack their monthly FIDE ratings, games, tournaments and more.
2,497
9
🇳🇴Hall, JesperFollow Jesper HallTrack their monthly FIDE ratings, games, tournaments and more.
2,494
10
🇳🇴Ostmoe, Geir Sune TallaksenFollow Geir Sune Tallaksen OstmoeTrack their monthly FIDE ratings, games, tournaments and more.
2,488
...
117🇳🇴Walgren, William Arntzen2,167
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
4
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,744
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
7
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,728
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,721
9
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,713
...
7193🇳🇴Walgren, William Arntzen2,167
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
10113🇳🇴Walgren, William Arntzen2,167