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Player profile

Jezek, Jakub

Games: 22 Wins: 6 (27%) Draws: 4 (18%) Losses: 12 (55%)
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Dossier

22 of 22 games analyzed.

Accuracy: 88.3%
Opened d4: 8/12Opened e4: 4/12
Castled kingside: 22Same-side castling: 19Opposite-side castling: 1
Fianchettoed kingside: 9Played on the kingside: 7Played in the center: 6Played on the queenside: 6Fianchettoed queenside: 3
Active pieces: 14Initiated exchanges: 14Space advantage: 13Kept the bishop pair: 13Sacrificed material: 13Backward pawn: 10Isolated pawn: 9Missed tactics: 8Played gambits: 4Avoided exchanges: 3
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Openings

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As White 12 games 3W 1D 8L
Queen's Gambit Declined 3 games 0W 0D 3L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Positional Variation 1 game 0W 0D 1L
Chigorin Defense 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Sicilian Defense 2 games 1W 0D 1L
Kan Variation 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
Taimanov Variation 1 game 1W 0D 0L
Bastrikov Variation, English Attack 1 game 1W 0D 0L
Old Indian Defense 1 game 0W 0D 1L
Ukrainian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 0W 1D 0L
Gibbins-Weidenhagen Gambit 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Caro-Kann Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
Queen's Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Four Knights Game 1 game 1W 0D 0L
Spanish Variation 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Queen's Pawn Game 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Pseudo-Catalan 1 game 0W 0D 1L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 10 games 3W 3D 4L
Sicilian Defense 4 games 1W 1D 2L
Closed 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Modern Variations 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Najdorf Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 2 games 1W 1D 0L
Orthodox Variation 2 games 1W 1D 0L
Classical System 1 game 0W 1D 0L
Positional Defense, Closed Line 1 game 1W 0D 0L
English Opening 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
Queen's Indian Defense 1 game 0W 0D 1L
Capablanca Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Catalan Opening 1 game 0W 0D 1L
Open Defense 1 game 0W 0D 1L
Classical Line 1 game 0W 0D 1L
Benoni Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Argentine Counterattack 1 game 1W 0D 0L
Blunders Top 4 of 116

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

2025.06.24 · 37... Kxa3 (−70.3% win chance) 1/2-1/2
Jezek, Jakub
Mazurek, Richard
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2024.03.11 · 30. Nxc4 (−39% win chance) 0-1
Stara, Zuzana
Jezek, Jakub
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2025.10.28 · 41. Kb4 (−37.4% win chance) 0-1
Holes, Vojta
Jezek, Jakub
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2024.03.10 · 37. Bd5+ (−35.5% win chance) 0-1
Komarek, Tobias
Jezek, Jakub
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Games Showing all 22 games
Date Event Round Color Opponent Result Accuracy % First moves