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Player profile

Kosberg, Stian

Standard: 1526 Rapid: 1531 Blitz: 1492 (last updated 2026-10-02)
FIDE ID: 1511939 (view FIDE profile)
Federation: NOR Sex: M Birth Year: 1990 Age: 36
Title: — Women's title: — Other title: — FOA title: —
Games: 9 Wins: 1 (11%) Draws: 5 (56%) Losses: 3 (33%)
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Dossier

7 of 9 games analyzed.

Accuracy: 83.8%
Opened e4: 2/2
Same-side castling: 6Castled kingside: 5Castled queenside: 1Did not castle: 1
Played in the center: 4Played on the queenside: 2Fianchettoed queenside: 1
Active pieces: 6Kept the bishop pair: 4Missed tactics: 4Space advantage: 4Backward pawn: 3Avoided exchanges: 3Sacrificed material: 3Isolated pawn: 2Played gambits: 2Initiated exchanges: 1
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Openings

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As White 4 games 0W 3D 1L
Caro-Kann Defense 2 games 0W 1D 1L
Two Knights Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Alekhine Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Czech Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 5 games 1W 2D 2L
Philidor Defense 1 game 0W 0D 1L
Lion Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Pirc Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Lion Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 1 game 0W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Old Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 46

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

2026.07.09 · 32... b2 (−73.7% win chance) 1-0
Kosberg, Stian
Olsen, Marius Moe
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2026.07.07 · 47... h6 (−37.4% win chance) 0-1
Kosberg, Stian
Jacobsen, Eva Marie
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2026.07.11 · 34... Rc5 (−36.1% win chance) 1-0
Kosberg, Stian
Hellerud, Bernt Christian
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2026.07.11 · 51... Bc8 (−36% win chance) 1-0
Kosberg, Stian
Hellerud, Bernt Christian
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View blunders & mistakes
Games Showing all 9 games
Date Event Round Color Opponent Result Accuracy % First moves