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Player profile

Walgren, William Arntzen

Standard: 2162 Rapid: 2017 Blitz: 2098 (last updated 2026-10-02)
FIDE ID: 1562088 (view FIDE profile)
Federation: NOR Sex: M Birth Year: 2010 Age: 16
Title: — Women's title: — Other title: — FOA title: —
Games: 60 Wins: 30 (50%) Draws: 15 (25%) Losses: 15 (25%)
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Dossier

51 of 60 games analyzed.

Accuracy: 90.4%
Opened e4: 24/25Opened Nf3: 1/25
Same-side castling: 28Castled kingside: 27Castled queenside: 11Opposite-side castling: 7Did not castle: 4
Played in the center: 15Played on the queenside: 9Fianchettoed queenside: 9Fianchettoed kingside: 8Played on the kingside: 7
Initiated exchanges: 29Active pieces: 27Sacrificed material: 23Backward pawn: 22Kept the bishop pair: 21Space advantage: 21Isolated pawn: 11Played gambits: 9Avoided exchanges: 8Missed tactics: 8
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Openings

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As White 31 games 13W 11D 7L
Sicilian Defense 13 games 4W 5D 4L
Kalashnikov Variation 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Classical Variation 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Najdorf Variation 2 games 0W 0D 2L
English Attack 2 games 0W 0D 2L
Dragon Variation 1 game 0W 1D 0L
Yugoslav Attack, Main Line 1 game 0W 1D 0L
Kan Variation 1 game 1W 0D 0L
Polugaevsky Variation 1 game 1W 0D 0L
Lasker-Pelikan Variation 1 game 0W 1D 0L
Sveshnikov Variation, Chelyabinsk Variation 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 1D 0L
Bastrikov Variation, English Attack 1 game 0W 1D 0L
Accelerated Dragon 1 game 1W 0D 0L
Maróczy Bind 1 game 1W 0D 0L
French Defense 4 games 2W 2D 0L
Classical Variation 2 games 2W 0D 0L
Delayed Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Winawer Variation 1 game 0W 1D 0L
Positional Variation 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 1D 0L
Blackburne Defense 1 game 0W 1D 0L
Caro-Kann Defense 3 games 1W 1D 1L
Tartakower Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Classical Variation 1 game 0W 1D 0L
Seirawan Variation 1 game 0W 1D 0L
Ruy Lopez 2 games 1W 1D 0L
Schliemann Defense 1 game 0W 1D 0L
Schönemann Attack 1 game 0W 1D 0L
Berlin Defense 1 game 1W 0D 0L
Improved Steinitz Defense 1 game 1W 0D 0L
Scandinavian Defense 2 games 2W 0D 0L
Portuguese Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Mieses-Kotroc Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Petrov's Defense 2 games 1W 0D 1L
Classical Attack 1 game 1W 0D 0L
Mason-Showalter Variation 1 game 1W 0D 0L
French Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 0W 1D 0L
Agincourt Defense 1 game 0W 1D 0L
Neo-Catalan Declined 1 game 0W 1D 0L
Italian Game 1 game 1W 0D 0L
Scotch Gambit 1 game 1W 0D 0L
Max Lange Attack 1 game 1W 0D 0L
Rat Defense 1 game 1W 0D 0L
Balogh Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Lion Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Scotch Game 1 game 0W 0D 1L
Scotch Gambit 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
As Black 20 games 12W 3D 5L
Sicilian Defense 10 games 5W 1D 4L
Najdorf Variation 6 games 3W 0D 3L
Lipnitsky Attack 2 games 2W 0D 0L
Adams Attack 2 games 0W 0D 2L
Main Line 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
Chekhover Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Moscow Variation 1 game 1W 0D 0L
Main Line 1 game 1W 0D 0L
Modern Variations 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Opening 4 games 3W 1D 0L
Open Defense 3 games 2W 1D 0L
Classical Line 3 games 2W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 2 games 2W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Indian Defense 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
Check Variation, Intermezzo Line 1 game 0W 0D 1L
Ruy Lopez 1 game 1W 0D 0L
Steinitz Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
Knight Defense 1 game 1W 0D 0L
English Opening 1 game 0W 1D 0L
Mikenas-Carls Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 171

This player's costliest moves in analyzed games. Can you find the winning move?

2024.07.01 · 43... Nxh4 (−69.8% win chance) 0-1
Walgren, William Arntzen
Jahr, Even
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????.??.?? · 60... Rg5 (−47.5% win chance) 1/2-1/2
Walgren, William Arntzen
Tripathi, Pratyush
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2026.07.05 · 66... Kf2 (−43.9% win chance) 1-0
Walgren, William Arntzen
Skribeland, Erik Gurakar
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2024.11.02 · 30... Bxb2 (−43% win chance) 1-0
Walgren, William Arntzen
Myagmarsuren, Evsuld
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Games Showing all 60 games
Date Event Round Color Opponent Result Accuracy % First moves