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Player profile

Kowalski, Maciej

Standard: 1938 Rapid: 2018 Blitz: 1913 (last updated 2026-11-02)
FIDE ID: 41879481 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2009 Age: 17
Title: — Women's title: — Other title: — FOA title: —
Games: 42 Wins: 14 (33%) Draws: 8 (19%) Losses: 20 (48%)
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Dossier

37 of 42 games analyzed.

Accuracy: 86.8%
Opened d4: 7/12Opened Nf3: 2/12Opened Nc3: 1/12Opened e4: 1/12Opened a3: 1/12
Castled kingside: 21Same-side castling: 20Opposite-side castling: 3Did not castle: 3Castled queenside: 2
Played in the center: 7Played on the kingside: 7Fianchettoed queenside: 7Played on the queenside: 7Fianchettoed kingside: 5
Active pieces: 23Initiated exchanges: 19Sacrificed material: 18Isolated pawn: 13Backward pawn: 13Space advantage: 11Kept the bishop pair: 11Missed tactics: 7Avoided exchanges: 3Played gambits: 1
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Openings

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As White 15 games 7W 1D 7L
Trompowsky Attack 4 games 3W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Classical Defense 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Zukertort Opening 2 games 1W 0D 1L
Nimzo-Larsen Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
King's Indian Attack 1 game 0W 1D 0L
Wahls Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Van Geet Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Modern Defense 1 game 0W 0D 1L
Averbakh System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Accepted 1 game 1W 0D 0L
Central Variation 1 game 1W 0D 0L
McDonnell Defense 1 game 1W 0D 0L
Sicilian Defense 1 game 1W 0D 0L
Nyezhmetdinov-Rossolimo Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Marshall Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Slav Defense 1 game 0W 0D 1L
Quiet Variation 1 game 0W 0D 1L
Schallopp Defense 1 game 0W 0D 1L
Polish Defense 1 game 0W 0D 1L
Spassky Gambit Accepted 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Anderssen's Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 15 games 2W 5D 8L
Caro-Kann Defense 5 games 1W 1D 3L
Tartakower Variation 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Exchange Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Two Knights Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 3 games 1W 0D 2L
Normal Variation 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Scandinavian Defense 2 games 0W 1D 1L
Mieses-Kotroc Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Vienna Variation 1 game 0W 0D 1L
Quiet Variation 1 game 0W 0D 1L
Zukertort Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 1 game 0W 1D 0L
Kan Variation 1 game 0W 1D 0L
Wing Attack 1 game 0W 1D 0L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 0W 1D 0L
Agincourt Defense 1 game 0W 1D 0L
Catalan Defense Accepted 1 game 0W 1D 0L
Blunders Top 4 of 193

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

2025.02.04 · 23. f3 (−60.8% win chance) 0-1
Linek, Karol
Kowalski, Maciej
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? · 59. Rg5+ (−47.7% win chance) 0-1
Miliotis, Evagelos
Kowalski, Maciej
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2026.08.01 · 33... Qxe2 (−45.6% win chance) 1-0
Kowalski, Maciej
Baginskaite, Kamile
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2026.07.09 · 96. Qe2+ (−45.4% win chance) 0-1
Krasniewski, Maciej
Kowalski, Maciej
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View blunders & mistakes
Games Showing all 42 games
Date Event Round Color Opponent Result Accuracy % First moves