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Player profile

Tollefsen, Jacob

Standard: 2001 Rapid: 1944 Blitz: 1977 (last updated 2026-11-02)
FIDE ID: 1551701 (view FIDE profile)
Federation: NOR Sex: M Birth Year: 2009 Age: 17
Title: — Women's title: — Other title: — FOA title: —
Games: 30 Wins: 10 (33%) Draws: 14 (47%) Losses: 6 (20%)
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Dossier

30 of 30 games analyzed.

Accuracy: 88.6%
Opened c4: 7/7
Castled kingside: 12Same-side castling: 12Castled queenside: 4Opposite-side castling: 2
Played in the center: 11Fianchettoed kingside: 6Played on the kingside: 5Fianchettoed queenside: 4Played on the queenside: 2
Initiated exchanges: 14Backward pawn: 10Space advantage: 10Kept the bishop pair: 9Isolated pawn: 9Active pieces: 8Sacrificed material: 8Missed tactics: 4Accepted short draws: 1Played gambits: 1
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Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 7 games 4W 3D 0L
English Opening 5 games 3W 2D 0L
King's English Variation 2 games 1W 1D 0L
Three Knights System 2 games 1W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
Ultra-Symmetrical Variation 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Great Snake Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Slav Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Réti Opening 1 game 0W 1D 0L
Anglo-Slav Variation 1 game 0W 1D 0L
Gurevich System 1 game 0W 1D 0L
As Black 9 games 3W 3D 3L
Caro-Kann Defense 4 games 1W 2D 1L
Karpov Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Two Knights Attack 1 game 0W 0D 1L
Mindeno Variation, Exchange Line 1 game 0W 0D 1L
Advance Variation 1 game 1W 0D 0L
Botvinnik-Carls Defense 1 game 1W 0D 0L
Queen's Indian Defense 1 game 0W 0D 1L
Capablanca Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Pseudo Queen's Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Three Knights, Fianchetto Variation 1 game 0W 0D 1L
Nimzo-Indian Defense 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 1 game 1W 0D 0L
Symmetrical Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 110

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

2024.07.01 · 27. Bh5+ (−47.7% win chance) 1/2-1/2
Myny, Sigur H
Tollefsen, Jacob
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2024.01.13 · 31... Rfd8 (−46.3% win chance) 0-1
Tollefsen, Jacob
Wernberg, Nikolai Olsen
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2023.02.22 · 20. Ne4 (−42.7% win chance) 0-1
Abrahamsson, Roaul
Tollefsen, Jacob
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2023.02.25 · 55... f6 (−38.2% win chance) 1/2-1/2
Jacob Tollefsen
Josef Omarsson
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View blunders & mistakes
Games Showing all 30 games
Date Event Round Color Opponent Result Accuracy % First moves