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Player profile

Kostka, Jakub

Standard: 1753 Rapid: 1782 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 23724196 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 1996 Age: 30
Title: — Women's title: — Other title: — FOA title: —
Games: 8 Wins: 1 (13%) Draws: 2 (25%) Losses: 5 (63%)
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Dossier

8 of 8 games analyzed.

Accuracy: 81.1%
Opened d4: 4/4
Castled kingside: 6Same-side castling: 6Castled queenside: 2Opposite-side castling: 2
Played in the center: 4Fianchettoed queenside: 2Played on the queenside: 2Played on the kingside: 1
Active pieces: 7Initiated exchanges: 6Isolated pawn: 5Sacrificed material: 5Space advantage: 4Backward pawn: 3Missed tactics: 3Avoided exchanges: 2Kept the bishop pair: 2Played gambits: 1
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Openings

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

As White 4 games 0W 1D 3L
Queen's Pawn Game 2 games 0W 0D 2L
Accelerated London System 2 games 0W 0D 2L
Steinitz Countergambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dutch Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 1 game 0W 0D 1L
Accelerated London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 4 games 1W 1D 2L
French Defense 3 games 1W 0D 2L
Schlechter Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Classical Variation 1 game 1W 0D 0L
Swiss Variation 1 game 1W 0D 0L
Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dutch Defense 1 game 0W 1D 0L
Alekhine Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 61

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

2026.04.18 · 58. Ne2 (−62.1% win chance) 1/2-1/2
Wisniewski, Damian
Kostka, Jakub
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2026.04.12 · 27... Rae8 (−41% win chance) 1/2-1/2
Kostka, Jakub
Swiatek, Maria
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2026.04.18 · 59. Kf3 (−39.6% win chance) 1/2-1/2
Wisniewski, Damian
Kostka, Jakub
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2026.04.18 · 21. f6 (−32.8% win chance) 1/2-1/2
Wisniewski, Damian
Kostka, Jakub
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View blunders & mistakes
Games Showing all 8 games
Date Event Round Color Opponent Result Accuracy % First moves