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Kosberg, Ivar

Standard: 1849 Rapid: 1829 Blitz: 1770 (last updated 2026-10-02)
FIDE ID: 1511920 (view FIDE profile)
Federation: NOR Sex: M Birth Year: 1962 Age: 64
Title: — Women's title: — Other title: — FOA title: —
Games: 11 Wins: 1 (9%) Draws: 7 (64%) Losses: 3 (27%)
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Dossier

9 of 11 games analyzed.

Accuracy: 84.4%
Opened e4: 5/5
Castled kingside: 9Same-side castling: 6Opposite-side castling: 2
Played in the center: 4Fianchettoed kingside: 4Played on the kingside: 4Fianchettoed queenside: 2Played on the queenside: 1
Active pieces: 8Sacrificed material: 6Backward pawn: 6Space advantage: 5Missed tactics: 5Isolated pawn: 4Avoided exchanges: 4Kept the bishop pair: 4Initiated exchanges: 2Played gambits: 2
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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 0W 4D 3L
Bishop's Opening 4 games 0W 3D 1L
Vienna Hybrid 3 games 0W 2D 1L
Hromádka Variation 2 games 0W 2D 0L
(unspecified) 1 game 0W 0D 1L
Ponziani Gambit 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 3 games 0W 1D 2L
(unspecified) 3 games 0W 1D 2L
(unspecified) 3 games 0W 1D 2L
As Black 4 games 1W 3D 0L
Pirc Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Modern Defense 1 game 1W 0D 0L
Geller's System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Philidor Defense 1 game 0W 1D 0L
Lion Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Opening 1 game 0W 1D 0L
Pirc Invitation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 61

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

2026.07.11 · 27. Qd3 (−58.4% win chance) 0-1
Arulmaran, Abishan
Kosberg, Ivar
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2026.07.07 · 24. Nc2 (−49% win chance) 1/2-1/2
Salimi, Kourosh
Kosberg, Ivar
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2026.07.06 · 28... f5 (−35.2% win chance) 1/2-1/2
Kosberg, Ivar
Stensby, Mathias Hunskaar
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2026.07.08 · 32... f6 (−27.4% win chance) 0-1
Kosberg, Ivar
Sannerud, Cedrik
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View blunders & mistakes
Games Showing all 11 games
Date Event Round Color Opponent Result Accuracy % First moves