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Player profile

Kolosowski, Mateusz

Standard: 2435 Rapid: 2364 Blitz: 2429 (last updated 2026-10-02)
FIDE ID: 1129708 (view FIDE profile)
Federation: POL Sex: M Birth Year: 1992 Age: 34
Title: IM Women's title: — Other title: — FOA title: —
Games: 25 Wins: 14 (56%) Draws: 8 (32%) Losses: 3 (12%)
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Dossier

25 of 25 games analyzed.

Accuracy: 93.6%
Opened e4: 10/13Opened d4: 2/13Opened Nf3: 1/13
Castled kingside: 22Same-side castling: 17Opposite-side castling: 3Did not castle: 2Castled queenside: 1
Fianchettoed kingside: 11Played on the kingside: 9Played in the center: 8Fianchettoed queenside: 3Played on the queenside: 3
Active pieces: 23Kept the bishop pair: 19Sacrificed material: 17Initiated exchanges: 14Backward pawn: 13Isolated pawn: 10Space advantage: 10Avoided exchanges: 6Played gambits: 3Missed tactics: 2
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Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 13 games 7W 4D 2L
Sicilian Defense 3 games 1W 2D 0L
Closed 3 games 1W 2D 0L
(unspecified) 2 games 1W 1D 0L
Traditional 1 game 0W 1D 0L
Caro-Kann Defense 2 games 1W 0D 1L
Advance Variation 2 games 1W 0D 1L
Tal Variation 1 game 0W 0D 1L
Short Variation 1 game 1W 0D 0L
Modern Defense 2 games 1W 0D 1L
Standard Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
French Defense 2 games 2W 0D 0L
Tarrasch Variation 2 games 2W 0D 0L
Closed Variation, Main Line 1 game 1W 0D 0L
Chistyakov Defense 1 game 1W 0D 0L
Semi-Slav Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Accelerated 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Three Knights Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 12 games 7W 4D 1L
Grünfeld Defense 3 games 2W 0D 1L
Brinckmann Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
Hungarian Variation 1 game 1W 0D 0L
English Opening 2 games 1W 1D 0L
King's English Variation 1 game 0W 1D 0L
Four Knights Variation, Flexible Line 1 game 0W 1D 0L
Symmetrical Variation 1 game 1W 0D 0L
Three Knights, Fianchetto Variation 1 game 1W 0D 0L
Scotch Game 2 games 2W 0D 0L
Scotch Gambit 2 games 2W 0D 0L
Advance Variation 2 games 2W 0D 0L
Semi-Slav Defense 1 game 1W 0D 0L
Stoltz Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Scandinavian Defense 1 game 1W 0D 0L
Gubinsky-Melts Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 1 game 0W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack 1 game 0W 1D 0L
Double Fianchetto 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Neo-Grünfeld Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Original Defense 1 game 0W 1D 0L
Blunders Top 4 of 77

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

2025.11.13 · 67... f3 (−43.2% win chance) 0-1
Kolosowski, Mateusz
Nerkar Anand
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2025.11.13 · 39... a4 (−32.5% win chance) 0-1
Kolosowski, Mateusz
Nerkar Anand
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2026.04.07 · 39... Rf2 (−22.8% win chance) 1-0
Kolosowski, Mateusz
Blanquet, Camille
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2026.04.15 · 30... Nf4 (−21.5% win chance) 1/2-1/2
Kolosowski, Mateusz
Kejna, Piotr
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View blunders & mistakes
Games Showing all 25 games
Date Event Round Color Opponent Result Accuracy % First moves