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Player profile

Wieczorek, Jarek

Standard: 1698 Rapid: 0 Blitz: 0 (last updated 2026-11-02)
FIDE ID: 2528223 (view FIDE profile)
Federation: IRL Sex: M Birth Year: 1962 Age: 64
Title: — Women's title: — Other title: — FOA title: —
Games: 14 Wins: 5 (36%) Draws: 4 (29%) Losses: 3 (21%) Other: 2
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Dossier

12 of 14 games analyzed.

Accuracy: 83.8%
Opened Nf3: 4/7Opened b3: 2/7Opened c4: 1/7
Castled kingside: 9Same-side castling: 9Castled queenside: 2Opposite-side castling: 1Did not castle: 1
Fianchettoed kingside: 9Fianchettoed queenside: 6Played in the center: 5Played on the queenside: 2Played on the kingside: 1
Sacrificed material: 10Backward pawn: 9Kept the bishop pair: 7Active pieces: 7Space advantage: 7Missed tactics: 6Isolated pawn: 6Initiated exchanges: 5Avoided exchanges: 4
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Openings

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As White 8 games 3W 2D 1L
Nimzo-Larsen Attack 4 games 1W 1D 1L
Classical Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Indian Variation 2 games 0W 1D 0L
(unspecified) 2 games 0W 1D 0L
Zukertort Opening 2 games 1W 1D 0L
Polish Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Pirc Invitation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
As Black 6 games 2W 2D 2L
Pirc Defense 3 games 1W 1D 1L
Classical Variation 2 games 1W 0D 1L
Schlechter Variation 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
150 Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack 1 game 0W 0D 1L
Wahls Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 1 game 0W 1D 0L
Schlechter Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Trompowsky Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 90

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

2024.02.02 · 42. Bxb5 (−52% win chance) *
John Shearan
Jarek Wieczorek
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2026.05.30 · 58. Kc4 (−47.5% win chance) 1/2-1/2
O`Boyle, Donal
Wieczorek, Jarek
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2026.02.01 · 37. Kg3 (−47.5% win chance) 0-1
O`Connell, Denis
Wieczorek, Jarek
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2025.02.01 · 25... Rb8 (−39.1% win chance) 1/2-1/2
Wieczorek, Jarek
Andhurthi, Sreeyan
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Games Showing all 14 games
Date Event Round Color Opponent Result Accuracy % First moves