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Player profile

Herka, Jakub

Standard: 1988 Rapid: 2016 Blitz: 1961 (last updated 2026-11-02)
FIDE ID: 21023743 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2007 Age: 19
Title: — Women's title: — Other title: — FOA title: —
Games: 18 Wins: 4 (22%) Draws: 8 (44%) Losses: 6 (33%)
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Dossier

15 of 18 games analyzed.

Accuracy: 89.6%
Opened d4: 5/5
Castled kingside: 11Same-side castling: 9Did not castle: 4Opposite-side castling: 1
Played on the queenside: 5Played in the center: 4Fianchettoed queenside: 3Fianchettoed kingside: 3Played on the kingside: 1
Initiated exchanges: 12Active pieces: 9Isolated pawn: 9Space advantage: 9Kept the bishop pair: 8Sacrificed material: 8Backward pawn: 7Missed tactics: 4Accepted short draws: 1Avoided exchanges: 1
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Openings

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As White 8 games 2W 4D 2L
Catalan Opening 2 games 1W 1D 0L
Open Defense 2 games 1W 1D 0L
Classical Line 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Accepted 2 games 0W 1D 1L
Old Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Grünfeld Defense 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dutch Defense 1 game 0W 1D 0L
Stonewall Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Pawn Game 1 game 1W 0D 0L
Krause Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 10 games 2W 4D 4L
Sicilian Defense 3 games 1W 2D 0L
Moscow Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Smith-Morra Gambit Accepted 1 game 1W 0D 0L
Classical Formation 1 game 1W 0D 0L
Czerniak Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Caro-Kann Defense 3 games 0W 1D 2L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Maróczy Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
Tal Variation 1 game 0W 0D 1L
Nimzo-Indian Defense 2 games 0W 1D 1L
Classical Variation 1 game 0W 0D 1L
Keres Defense 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Catalan Opening 1 game 1W 0D 0L
Open Defense 1 game 1W 0D 0L
Classical Line 1 game 1W 0D 0L
English Opening 1 game 0W 0D 1L
Mikenas-Carls Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 59

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

2025.09.13 · 19... g6 (−58.7% win chance) 0-1
Herka, Jakub
Thornley, Oliver
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2025.09.19 · 40... bxa4 (−57.6% win chance) 1-0
Herka, Jakub
Zetocha, Adrian
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2025.09.19 · 44... Rb7 (−42.2% win chance) 1-0
Herka, Jakub
Zetocha, Adrian
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2025.09.19 · 59... Ra1 (−30% win chance) 1-0
Herka, Jakub
Zetocha, Adrian
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View blunders & mistakes
Games Showing all 18 games
Date Event Round Color Opponent Result Accuracy % First moves