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Petersen, Jakob Alexander

Standard: 1713 Rapid: 1676 Blitz: 1759 (last updated 2026-10-11)
FIDE ID: 2309130 (view FIDE profile)
Federation: ISL Sex: M Birth Year: 1999 Age: 27
Title: — Women's title: — Other title: — FOA title: —
Games: 3 Wins: 1 (33%) Draws: 1 (33%) Losses: 1 (33%)
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Dossier

3 of 3 games analyzed.

Accuracy: 84.7%
Opened d4: 1/1
Castled kingside: 3Same-side castling: 3
Fianchettoed queenside: 1Played on the queenside: 1Played in the center: 1Played on the kingside: 1Fianchettoed kingside: 1
Backward pawn: 3Initiated exchanges: 3Isolated pawn: 2Space advantage: 2Active pieces: 2Sacrificed material: 2Kept the bishop pair: 2Missed tactics: 2
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Openings

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As White 1 game 1W 0D 0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Sämisch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 2 games 0W 1D 1L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 1 game 0W 0D 1L
Orthodox Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 22

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

2026.02.01 · 27. g4 (−44.8% win chance) 1-0
Geirsson, Kristjan
Petersen, Jakob Alexander
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2026.02.01 · 32. Qg6 (−37.5% win chance) 1-0
Geirsson, Kristjan
Petersen, Jakob Alexander
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2026.02.01 · 29. Qxh5 (−25.7% win chance) 1-0
Geirsson, Kristjan
Petersen, Jakob Alexander
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2026.02.01 · 38. R4f3 (−24.3% win chance) 1-0
Geirsson, Kristjan
Petersen, Jakob Alexander
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View blunders & mistakes
Games Showing all 3 games
Date Event Round Color Opponent Result Accuracy % First moves