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Player profile

Berntsson, Isak

Standard: 1598 Rapid: 1639 Blitz: 1753 (last updated 2026-11-02)
FIDE ID: 1795171 (view FIDE profile)
Federation: SWE Sex: M Birth Year: 1991 Age: 35
Title: — Women's title: — Other title: NI FOA title: —
Games: 15 Wins: 7 (47%) Draws: 0 (0%) Losses: 8 (53%)
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Dossier

6 of 15 games analyzed.

Accuracy: 79%
Opened e4: 4/4
Castled kingside: 5Same-side castling: 2Castled queenside: 1Opposite-side castling: 1
Fianchettoed kingside: 2Played on the kingside: 2Played on the queenside: 1Played in the center: 1
Missed tactics: 6Active pieces: 5Sacrificed material: 5Initiated exchanges: 5Kept the bishop pair: 3Backward pawn: 3Isolated pawn: 2Space advantage: 2Played gambits: 2
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Openings

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As White 9 games 5W 0D 4L
French Defense 3 games 1W 0D 2L
Exchange Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Tarrasch Variation 1 game 0W 0D 1L
Open System, Euwe-Keres Line 1 game 0W 0D 1L
Sicilian Defense 3 games 1W 0D 2L
Smith-Morra Gambit Declined 1 game 0W 0D 1L
Alapin Formation 1 game 0W 0D 1L
Smith-Morra Gambit Accepted 1 game 0W 0D 1L
Kan Formation 1 game 0W 0D 1L
Smith-Morra Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Danish Gambit Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blackmar-Diemer Gambit Declined 1 game 1W 0D 0L
Vienna Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Pawn Game 1 game 1W 0D 0L
Maróczy Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 6 games 2W 0D 4L
King's Indian Defense 4 games 2W 0D 2L
Normal Variation 2 games 2W 0D 0L
Standard Development 1 game 1W 0D 0L
Rare Defenses 1 game 1W 0D 0L
Fianchetto Variation 1 game 0W 0D 1L
Immediate Fianchetto 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Pirc Defense 2 games 0W 0D 2L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 47

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

2026.07.01 · 22. Qd5+ (−77% win chance) 1-0
Koramangala, Shriyadit
Berntsson, Isak
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2026.07.01 · 18. Rxd4 (−35.5% win chance) 1-0
Eskilsson, Teodor
Berntsson, Isak
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2026.07.01 · 27. h3 (−20.3% win chance) 1-0
Eskilsson, Teodor
Berntsson, Isak
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2026.07.01 · 28... Rc1 (−18.9% win chance) 0-1
Berntsson, Isak
Islam, Umair
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Games Showing all 15 games
Date Event Round Color Opponent Result Accuracy % First moves