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Player profile

Jahr, Ernst Hakon

Standard: 1835 Rapid: 0 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 1574523 (view FIDE profile)
Federation: NOR Sex: M Birth Year: 1948 Age: 78
Title: — Women's title: — Other title: — FOA title: —
Games: 28 Wins: 5 (18%) Draws: 21 (75%) Losses: 2 (7%)
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Dossier

26 of 28 games analyzed.

Accuracy: 87.8%
Opened e4: 7/13Opened d4: 5/13Opened Nf3: 1/13
Castled kingside: 20Same-side castling: 19Did not castle: 4Opposite-side castling: 2Castled queenside: 1
Played in the center: 16Fianchettoed kingside: 8Played on the queenside: 6Played on the kingside: 5Fianchettoed queenside: 3
Active pieces: 18Space advantage: 13Initiated exchanges: 13Backward pawn: 12Kept the bishop pair: 11Missed tactics: 10Sacrificed material: 9Avoided exchanges: 7Isolated pawn: 6Accepted short draws: 6
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Openings

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As White 14 games 1W 12D 1L
French Defense 4 games 1W 3D 0L
Exchange Variation 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
Advance Variation 1 game 0W 1D 0L
Euwe Variation 1 game 0W 1D 0L
Sicilian Defense 3 games 0W 3D 0L
Alapin Variation 3 games 0W 3D 0L
(unspecified) 3 games 0W 3D 0L
Queen's Pawn Game 2 games 0W 2D 0L
Modern Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Bogo-Indian Defense 1 game 0W 1D 0L
Wade-Smyslov Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Caro-Kann Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Opening 1 game 0W 0D 1L
Kingside Fianchetto 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 0W 1D 0L
Przepiorka Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Accelerated 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 13 games 3W 9D 1L
Indian Defense 6 games 2W 4D 0L
Budapest Gambit Accepted 2 games 0W 2D 0L
Main Line, Rubinstein Variation 1 game 0W 1D 0L
Main Line, Adler Variation 1 game 0W 1D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Przepiorka Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Spielmann-Indian 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 4 games 1W 3D 0L
O'Kelly Variation 3 games 1W 2D 0L
Normal System 2 games 1W 1D 0L
Venice System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 2 games 0W 2D 0L
Orthodox Variation 2 games 0W 2D 0L
Positional Defense, Closed Line 1 game 0W 1D 0L
Positional Defense 1 game 0W 1D 0L
Slav Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 93

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

2025.07.08 · 25. Ng2 (−52.8% win chance) 1/2-1/2
Larsen, Stig Borje
Jahr, Ernst Hakon
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2026.07.11 · 32... Rxc3 (−37% win chance) 1-0
Jahr, Ernst Hakon
Stake-Larsen, Gunnar
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2026.07.07 · 16... Rd8 (−36.3% win chance) 1/2-1/2
Jahr, Ernst Hakon
Jonvik, Aslak
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2025.07.12 · 11. Ra1 (−29.1% win chance) 1/2-1/2
Nurmi, Timo
Jahr, Ernst Hakon
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Games Showing all 28 games
Date Event Round Color Opponent Result Accuracy % First moves