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Player profile

Tomczak, Jacek

Standard: 2545 Rapid: 2543 Blitz: 2523 (last updated 2026-11-02)
FIDE ID: 1124668 (view FIDE profile)
Federation: POL Sex: M Birth Year: 1990 Age: 36
Title: GM Women's title: — Other title: — FOA title: —
Games: 123 Wins: 44 (36%) Draws: 57 (46%) Losses: 22 (18%)
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Dossier

114 of 123 games analyzed.

Accuracy: 92.3%
Opened e4: 35/41Opened d4: 6/41
Castled kingside: 50Same-side castling: 45Did not castle: 16Castled queenside: 14Opposite-side castling: 10
Played in the center: 36Fianchettoed kingside: 19Played on the queenside: 15Played on the kingside: 12Fianchettoed queenside: 11
Active pieces: 56Sacrificed material: 50Initiated exchanges: 49Backward pawn: 42Space advantage: 40Kept the bishop pair: 37Isolated pawn: 36Played gambits: 18Avoided exchanges: 15Missed tactics: 10
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Openings

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

As White 45 games 20W 18D 7L
Sicilian Defense 16 games 6W 10D 0L
Najdorf Variation 6 games 2W 4D 0L
Adams Attack 3 games 0W 3D 0L
Amsterdam Variation 2 games 1W 1D 0L
(unspecified) 1 game 1W 0D 0L
Lasker-Pelikan Variation 2 games 2W 0D 0L
Sveshnikov Variation 1 game 1W 0D 0L
Sveshnikov Variation, Chelyabinsk Variation 1 game 1W 0D 0L
Nyezhmetdinov-Rossolimo Attack 2 games 1W 1D 0L
(unspecified) 1 game 1W 0D 0L
Fianchetto Variation 1 game 0W 1D 0L
Richter-Rauzer Variation 1 game 0W 1D 0L
Neo-Modern Variation, Early Deviations 1 game 0W 1D 0L
Sozin Attack 1 game 1W 0D 0L
Flank Variation 1 game 1W 0D 0L
Accelerated Dragon 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
Alapin Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Chekhover Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Scotch Game 7 games 2W 4D 1L
Mieses Variation 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Tartakower Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Malaniuk Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 6 games 4W 0D 2L
Tarrasch Variation 2 games 1W 0D 1L
Morozevich Variation 1 game 0W 0D 1L
Open System, Euwe-Keres Line 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Burn Variation 1 game 1W 0D 0L
Winawer Variation 1 game 1W 0D 0L
Portisch-Hook Variation 1 game 1W 0D 0L
Steinitz Variation 1 game 0W 0D 1L
Boleslavsky Variation 1 game 0W 0D 1L
Paulsen Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 5 games 1W 1D 3L
Morphy Defense 3 games 1W 0D 2L
Møller Variation 1 game 0W 0D 1L
Modern Steinitz Defense 1 game 1W 0D 0L
Neo-Arkhangelsk Variation 1 game 0W 0D 1L
Berlin Defense 2 games 0W 1D 1L
Anti-Berlin Variation 2 games 0W 1D 1L
Petrov's Defense 2 games 2W 0D 0L
Modern Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Kaufmann Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Slav Defense 2 games 1W 0D 1L
Marshall Gambit 2 games 1W 0D 1L
Main Line 2 games 1W 0D 1L
Nimzo-Indian Defense 1 game 0W 1D 0L
Kmoch Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Benko Gambit Accepted 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Grünfeld Defense 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Alekhine Defense 1 game 1W 0D 0L
Sämisch Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Italian Game 1 game 1W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
Polerio Defense, Bishop Check Line 1 game 1W 0D 0L
Caro-Kann Defense 1 game 1W 0D 0L
Advance Variation 1 game 1W 0D 0L
Tal Variation 1 game 1W 0D 0L
Queen's Indian Defense 1 game 0W 1D 0L
Riumin Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 44 games 10W 27D 7L
Sicilian Defense 9 games 3W 4D 2L
Classical Variation 2 games 0W 2D 0L
Anti-Sozin Variation 2 games 0W 2D 0L
Richter-Rauzer Variation 2 games 1W 1D 0L
Neo-Modern Variation 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
Alapin Variation 2 games 0W 0D 2L
Barmen Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Najdorf Variation 2 games 1W 1D 0L
Adams Attack 2 games 1W 1D 0L
Nyezhmetdinov-Rossolimo Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 8 games 2W 6D 0L
Advance Variation 2 games 0W 2D 0L
Euwe Variation 2 games 0W 2D 0L
Schlechter Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Tarrasch Variation 1 game 1W 0D 0L
Morozevich Variation 1 game 1W 0D 0L
Horwitz Attack 1 game 1W 0D 0L
Papa-Ticulat Gambit 1 game 1W 0D 0L
Steinitz Variation 1 game 0W 1D 0L
Boleslavsky Variation 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 7 games 1W 5D 1L
Symmetrical Variation 3 games 0W 2D 1L
Rubinstein Variation 1 game 0W 1D 0L
Four Knights Variation 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 1D 0L
Anglo-Indian Defense 3 games 1W 2D 0L
King's Knight Variation 1 game 1W 0D 0L
Anglo-Grünfeld Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's English Variation 1 game 0W 1D 0L
Four Knights Variation, Fianchetto Line, with Nb6 1 game 0W 1D 0L
Grünfeld Defense 4 games 0W 3D 1L
Exchange Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Russian Variation 1 game 0W 1D 0L
Accelerated Variation 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 1D 0L
Hungarian Attack 1 game 0W 1D 0L
Caro-Kann Defense 3 games 1W 1D 1L
Exchange Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Advance Variation 1 game 1W 0D 0L
Short Variation 1 game 1W 0D 0L
Scandinavian Defense 3 games 1W 1D 1L
Main Line 2 games 1W 0D 1L
Mieses Variation 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Benoni Defense 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Opening 1 game 0W 1D 0L
Nimzo-Larsen Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 1 game 0W 0D 1L
Semi-Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 1W 0D 0L
Anti-Grünfeld 1 game 1W 0D 0L
Basman-Williams Attack 1 game 1W 0D 0L
Queen's Indian Defense 1 game 0W 1D 0L
Yates Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Noa Variation 1 game 0W 1D 0L
Bogo-Indian Defense 1 game 0W 1D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Semi-Slav Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Accepted 1 game 0W 1D 0L
Furman Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 358

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

2024.05.26 · 27... Rxa8 (−70.9% win chance) 1/2-1/2
Tomczak, Jacek
Wojtaszek, Radoslaw
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2024.05.25 · 21. Rb7 (−55.3% win chance) 1/2-1/2
Moranda, Wojciech
Tomczak, Jacek
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2026.10.10 · 101... Qe7+ (−47.5% win chance) 1/2-1/2
Tomczak, Jacek
Pultinevicius, Paulius
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2026.10.10 · 98... Qb7+ (−44% win chance) 1/2-1/2
Tomczak, Jacek
Pultinevicius, Paulius
View game
View blunders & mistakes
Games Showing all 123 games
Date Event Round Color Opponent Result Accuracy % First moves