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Player profile

Wielosz, Jaroslaw

Standard: 2007 Rapid: 1778 Blitz: 1907 (last updated 2026-11-02)
FIDE ID: 1125842 (view FIDE profile)
Federation: POL Sex: M Birth Year: 1968 Age: 58
Title: — Women's title: — Other title: — FOA title: AIM
Games: 34 Wins: 11 (32%) Draws: 12 (35%) Losses: 11 (32%)
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Dossier

33 of 34 games analyzed.

Accuracy: 90.4%
Opened c4: 7/13Opened Nf3: 5/13Opened d4: 1/13
Castled kingside: 17Same-side castling: 17Did not castle: 4Castled queenside: 3Opposite-side castling: 1
Fianchettoed kingside: 11Played in the center: 7Fianchettoed queenside: 6Played on the kingside: 6Played on the queenside: 6
Active pieces: 19Backward pawn: 15Sacrificed material: 15Initiated exchanges: 12Space advantage: 11Isolated pawn: 10Kept the bishop pair: 10Missed tactics: 6Played gambits: 3Avoided exchanges: 3
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Openings

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As White 14 games 4W 7D 3L
English Opening 7 games 2W 4D 1L
Mikenas-Carls Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Agincourt Defense 1 game 0W 0D 1L
Keres Defense 1 game 0W 0D 1L
Caro-Kann Defensive System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's English Variation 1 game 0W 1D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
Anglo-Indian Defense 1 game 0W 1D 0L
Queen's Knight Variation 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 3 games 1W 2D 0L
Orthodox Variation 3 games 1W 2D 0L
Bayonet Attack 2 games 1W 1D 0L
(unspecified) 1 game 0W 1D 0L
Bogo-Indian Defense 2 games 1W 1D 0L
Retreat Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Queen's Gambit Accepted 1 game 0W 0D 1L
Mannheim Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 11 games 2W 4D 5L
King's Indian Attack 2 games 0W 0D 2L
Symmetrical Defense 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Italian Game 2 games 0W 1D 1L
Giuoco Piano 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Giuoco Pianissimo 1 game 0W 0D 1L
Normal 1 game 0W 0D 1L
Grünfeld Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Defense 1 game 1W 0D 0L
Kasparov-Petrosian Variation 1 game 1W 0D 0L
Hedgehog Variation 1 game 1W 0D 0L
Four Knights Game 1 game 0W 0D 1L
Spanish Variation 1 game 0W 0D 1L
Symmetrical Variation, Metger Unpin 1 game 0W 0D 1L
English Opening 1 game 0W 1D 0L
King's English Variation 1 game 0W 1D 0L
Reversed Closed Sicilian 1 game 0W 1D 0L
Sicilian Defense 1 game 0W 1D 0L
Closed 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Scotch Game 1 game 0W 0D 1L
Mieses Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ruy Lopez 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Alapin Gambit 1 game 1W 0D 0L
Blunders Top 4 of 158

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

2026.06.30 · 80. Kb2 (−46.3% win chance) 1/2-1/2
Slawinski, Miroslaw
Wielosz, Jaroslaw
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2026.06.30 · 29. Bf6 (−43.6% win chance) 1/2-1/2
Slawinski, Miroslaw
Wielosz, Jaroslaw
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2023.07.03 · 52... Kxa3 (−41.7% win chance) 1-0
Jaroslaw Wielosz
Konrad Szczesniak
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2023.06.29 · 56... Ke2 (−40.8% win chance) 1-0
Jaroslaw Wielosz
Dariusz Koziol
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Games Showing all 34 games
Date Event Round Color Opponent Result Accuracy % First moves