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Player profile

Stelmaszuk, Maciej

Standard: 1917 Rapid: 1929 Blitz: 1777 (last updated 2026-11-02)
FIDE ID: 1199722 (view FIDE profile)
Federation: POL Sex: M Birth Year: 1993 Age: 33
Title: — Women's title: — Other title: — FOA title: —
Games: 27 Wins: 6 (22%) Draws: 12 (44%) Losses: 8 (30%) Other: 1
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Dossier

25 of 27 games analyzed.

Accuracy: 90.6%
Opened d4: 6/12Opened Nf3: 5/12Opened c4: 1/12
Castled kingside: 24Same-side castling: 21Opposite-side castling: 2Did not castle: 1
Fianchettoed kingside: 14Played in the center: 9Played on the queenside: 8Fianchettoed queenside: 7Played on the kingside: 2
Backward pawn: 18Active pieces: 18Initiated exchanges: 15Space advantage: 14Sacrificed material: 14Kept the bishop pair: 12Isolated pawn: 7Avoided exchanges: 7Missed tactics: 5Accepted short draws: 5
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Openings

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As White 14 games 6W 6D 2L
English Opening 4 games 1W 2D 1L
Anglo-Indian Defense 2 games 1W 1D 0L
King's Indian Formation, Double Fianchetto 1 game 1W 0D 0L
Queen's Indian Formation 1 game 0W 1D 0L
Neo-Catalan 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 1D 0L
Three Knights, Fianchetto Variation 1 game 0W 1D 0L
Queen's Indian Defense 3 games 2W 1D 0L
Classical Variation 1 game 1W 0D 0L
Traditional Variation 1 game 1W 0D 0L
Fianchetto Variation 1 game 0W 1D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
Kasparov-Petrosian Variation 1 game 1W 0D 0L
Kasparov Attack 1 game 1W 0D 0L
Catalan Opening 2 games 1W 1D 0L
Open Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 2 games 0W 1D 1L
Exchange Variation 1 game 0W 1D 0L
Reshevsky Variation 1 game 0W 1D 0L
Janowski Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Grünfeld Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Seville Variation 1 game 0W 1D 0L
King's Indian Defense 1 game 1W 0D 0L
Smyslov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benoni Defense 1 game 1W 0D 0L
Benoni-Indian Defense 1 game 1W 0D 0L
Kingside Move Order 1 game 1W 0D 0L
As Black 13 games 0W 6D 6L
Sicilian Defense 4 games 0W 1D 3L
Grand Prix Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dragon Variation 1 game 0W 1D 0L
Yugoslav Attack, Main Line 1 game 0W 1D 0L
Kalashnikov Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 0D 1L
Fianchetto Variation, Gufeld Gambit 1 game 0W 0D 1L
Caro-Kann Defense 3 games 0W 3D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Two Knights Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 2 games 0W 1D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Orthodox Defense 1 game 0W 0D 1L
Rubinstein Variation 1 game 0W 0D 1L
King's Indian Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
King's Knight Variation 1 game 0W 1D 0L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bird Opening 1 game 0W 0D 0L
Dutch Variation 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
Catalan Opening 1 game 0W 0D 1L
Open Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 71

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

2026.09.05 · 36... Qxg2+ (−48.4% win chance) 1-0
Stelmaszuk, Maciej
Wisniewski, Szymon
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2024.09.02 · 27... Qd5 (−37.9% win chance) 1-0
Stelmaszuk, Maciej
Bury, Milosz
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2024.09.08 · 37... fxg5 (−33.3% win chance) 1/2-1/2
Stelmaszuk, Maciej
Hladun, Bartlomiej
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2026.08.09 · 39. Re5 (−32.7% win chance) 1/2-1/2
Sonibare, Antoni
Stelmaszuk, Maciej
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View blunders & mistakes
Games Showing all 27 games
Date Event Round Color Opponent Result Accuracy % First moves