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Player profile

Olczak, Mariusz

Standard: 1822 Rapid: 1765 Blitz: 1714 (last updated 2026-10-02)
FIDE ID: 21039453 (view FIDE profile)
Federation: POL Sex: M Birth Year: 1962 Age: 64
Title: — Women's title: — Other title: — FOA title: —
Games: 31 Wins: 15 (48%) Draws: 4 (13%) Losses: 12 (39%)
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Dossier

29 of 31 games analyzed.

Accuracy: 88.9%
Opened d4: 8/8
Castled kingside: 12Same-side castling: 11Opposite-side castling: 1
Fianchettoed kingside: 8Fianchettoed queenside: 5Played in the center: 4Played on the kingside: 2Played on the queenside: 2
Active pieces: 10Kept the bishop pair: 9Backward pawn: 8Space advantage: 7Avoided exchanges: 6Sacrificed material: 6Isolated pawn: 5Missed tactics: 3Initiated exchanges: 2Played gambits: 2
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Openings

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As White 9 games 3W 3D 3L
Indian Defense 6 games 1W 2D 3L
Przepiorka Variation 4 games 1W 0D 3L
(unspecified) 4 games 1W 0D 3L
Knights Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Queen's Pawn Game 1 game 0W 1D 0L
Modern Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
Yugoslav Variation 1 game 1W 0D 0L
Queen's Gambit Accepted 1 game 1W 0D 0L
Mannheim Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 5 games 2W 1D 2L
Ruy Lopez 2 games 1W 0D 1L
Closed 1 game 0W 0D 1L
Zaitsev System 1 game 0W 0D 1L
Morphy Defense 1 game 1W 0D 0L
Tarrasch Variation 1 game 1W 0D 0L
King's Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 1D 0L
Tartakower Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
French Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 118

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

? · 22... Qg4 (−62.5% win chance) 1-0
Olczak, Mariusz
Dobrzanski, Pawel
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2026.08.18 · 47. Kh2 (−43.2% win chance) 0-1
Bugajski, Robert
Olczak, Mariusz
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2026.08.01 · 42. Be3 (−42.2% win chance) 1/2-1/2
Salamon, Julia
Olczak, Mariusz
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2026.08.18 · 45. Kh3 (−41% win chance) 0-1
Bugajski, Robert
Olczak, Mariusz
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View blunders & mistakes
Games Showing all 31 games
Date Event Round Color Opponent Result Accuracy % First moves