Player profile

Ocelak, Jakub

Standard: 2196 Rapid: 2195 Blitz: 2245 (last updated 2026-11-02)
FIDE ID: 23707933 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 2005 Age: 21
Title: CM Women's title: — Other title: — FOA title: —
Games: 188 Wins: 69 (37%) Draws: 72 (38%) Losses: 45 (24%) Other: 2
Dossier

164 of 188 games analyzed.

Accuracy: 91.4%
Opened e4: 20/64Opened d4: 20/64Opened Nf3: 19/64Opened b3: 4/64Opened c4: 1/64
Castled kingside: 94Same-side castling: 86Did not castle: 19Castled queenside: 7Opposite-side castling: 7
Fianchettoed kingside: 46Played in the center: 41Fianchettoed queenside: 32Played on the kingside: 31Played on the queenside: 26
Active pieces: 88Kept the bishop pair: 77Initiated exchanges: 75Backward pawn: 65Sacrificed material: 59Space advantage: 58Isolated pawn: 48Missed tactics: 31Avoided exchanges: 25Accepted short draws: 20
Openings

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

As White 75 games 31W 29D 15L
Sicilian Defense 12 games 5W 5D 2L
Delayed Alapin Variation 6 games 3W 2D 1L
with d6 5 games 2W 2D 1L
with e6 1 game 1W 0D 0L
Najdorf Variation 1 game 0W 0D 1L
English Attack 1 game 0W 0D 1L
Lasker-Pelikan Variation 1 game 0W 1D 0L
Sveshnikov Variation, Chelyabinsk Variation 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 1D 0L
Bastrikov Variation 1 game 0W 1D 0L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nyezhmetdinov-Rossolimo Attack 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
King's Indian Defense 6 games 1W 2D 3L
Fianchetto Variation 5 games 1W 1D 3L
Immediate Fianchetto 2 games 0W 0D 2L
Carlsbad Variation 2 games 1W 1D 0L
Lesser Simagin (Spassky) 1 game 0W 0D 1L
Petrosian Variation 1 game 0W 1D 0L
Normal Defense 1 game 0W 1D 0L
King's Indian Attack 6 games 3W 2D 1L
(unspecified) 4 games 2W 1D 1L
(unspecified) 4 games 2W 1D 1L
Wahls Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Symmetrical Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Catalan Opening 6 games 2W 4D 0L
Open Defense 4 games 0W 4D 0L
(unspecified) 3 games 0W 3D 0L
Classical Line 1 game 0W 1D 0L
Closed 2 games 2W 0D 0L
Main Line 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 5 games 4W 1D 0L
London System 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Modern Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Barry Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 4 games 1W 3D 0L
Exchange Variation 3 games 0W 3D 0L
Symmetrical Line 2 games 0W 2D 0L
(unspecified) 1 game 0W 1D 0L
Breyer Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Nimzo-Larsen Attack 4 games 1W 2D 1L
Modern Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Indian Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 4 games 3W 1D 0L
Endgame Offer 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Endgame Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 3 games 1W 2D 0L
Symmetrical Variation 2 games 0W 2D 0L
Three Knights, Fianchetto Variation 1 game 0W 1D 0L
Ultra-Symmetrical Variation 1 game 0W 1D 0L
Neo-Catalan 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 3 games 1W 2D 0L
Exchange Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Knight Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 2 games 2W 0D 0L
Berlin Defense 1 game 1W 0D 0L
Anti-Berlin Variation 1 game 1W 0D 0L
Morphy Defense 1 game 1W 0D 0L
Schliemann Defense Deferred 1 game 1W 0D 0L
Rapport-Jobava System 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Indian Defense 2 games 0W 1D 1L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Anti-Nimzo-Indian 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Defense 2 games 1W 0D 1L
Averbakh System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 2 games 1W 1D 0L
Kingside Fianchetto 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Invitation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Benoni Defense 2 games 1W 1D 0L
Semi-Benoni 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Fianchetto Variation 1 game 1W 0D 0L
Hastings Defense, Main Line 1 game 1W 0D 0L
Bogo-Indian Defense 1 game 1W 0D 0L
Grünfeld Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pirc Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Italian Game 1 game 0W 0D 1L
Two Knights Defense 1 game 0W 0D 1L
Modern Bishop's Opening 1 game 0W 0D 1L
Semi-Slav Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Réti Opening 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Neo-Grünfeld Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Polgar Variation 1 game 0W 0D 1L
Horwitz Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
East Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Philidor Defense 1 game 0W 1D 0L
Hanham Variation 1 game 0W 1D 0L
Krause Variation 1 game 0W 1D 0L
Scandinavian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 69 games 28W 24D 17L
French Defense 12 games 4W 3D 5L
Tarrasch Variation 5 games 1W 2D 2L
Morozevich Variation 4 games 1W 2D 1L
Open System, Euwe-Keres Line 1 game 0W 0D 1L
Advance Variation 2 games 0W 0D 2L
Main Line 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Exchange Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
King's Indian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Hecht-Reefschläger Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Wing Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Sicilian Defense 6 games 2W 3D 1L
French Variation 1 game 1W 0D 0L
Westerinen Attack 1 game 1W 0D 0L
Old Sicilian 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Dragon Variation 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Delayed Alapin Variation 1 game 1W 0D 0L
with d6 1 game 1W 0D 0L
Alapin Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 5 games 5W 0D 0L
Fianchetto Variation 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
Classical Fianchetto 1 game 1W 0D 0L
Orthodox Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Petrosian Variation 1 game 1W 0D 0L
Stein Defense 1 game 1W 0D 0L
Modern Defense 5 games 4W 1D 0L
(unspecified) 4 games 3W 1D 0L
(unspecified) 4 games 3W 1D 0L
Kotov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 5 games 2W 2D 1L
London System 2 games 1W 1D 0L
with e6 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
Symmetrical Variation 1 game 0W 0D 1L
Pseudo-Catalan 1 game 0W 0D 1L
Accelerated London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Modern Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Tarrasch Defense 5 games 1W 2D 2L
Dubov Tarrasch 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Two Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Prague Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 4 games 0W 3D 1L
Agincourt Defense 3 games 0W 2D 1L
(unspecified) 3 games 0W 2D 1L
Anglo-Indian Defense 1 game 0W 1D 0L
King's Indian Formation 1 game 0W 1D 0L
Catalan Opening 4 games 2W 2D 0L
Open Defense 4 games 2W 2D 0L
Classical Line 4 games 2W 2D 0L
Queen's Gambit Declined 3 games 0W 1D 2L
Traditional Variation 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
Modern Variation 1 game 0W 1D 0L
Knight Defense 1 game 0W 1D 0L
Ruy Lopez 3 games 1W 1D 1L
Open Berlin Defense 1 game 0W 1D 0L
l'Hermet Variation 1 game 0W 1D 0L
Morphy Defense 1 game 0W 0D 1L
Classical Defense Deferred 1 game 0W 0D 1L
Exchange Variation 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
Four Knights Game 3 games 1W 2D 0L
Scotch Variation 1 game 0W 1D 0L
Schmid Defense 1 game 0W 1D 0L
Halloween Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Scotch Variation Accepted 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Rapport-Jobava System 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Neo-Grünfeld Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Original Defense 1 game 0W 0D 1L
Van Geet Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Pseudo Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 1 game 0W 1D 0L
Wahls Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Hungarian Opening 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Opening 1 game 1W 0D 0L
Sicilian Invitation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Italian Game 1 game 0W 0D 1L
Scotch Invitation Declined 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Semi-Slav Defense 1 game 0W 0D 1L
Meran Variation 1 game 0W 0D 1L
Blumenfeld Variation 1 game 0W 0D 1L
Caro-Kann Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Symmetrical Line 1 game 0W 1D 0L
King's Indian Attack, with e6 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 579

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

2025.07.08 · 39. Nf6 (−51.5% win chance) 1-0
Husa, Daniel
Ocelak, Jakub
View game
2023.08.24 · 21... Qf6 (−49.8% win chance) 1/2-1/2
Ocelak, Jakub
Matta, Vinay Kumar
View game
2025.07.08 · 56. g4 (−47.5% win chance) 1/2-1/2
Babula, Vlastimil
Ocelak, Jakub
View game
2024.08.08 · 65. Rc7 (−47.5% win chance) 1/2-1/2
Fizer, Marek
Ocelak, Jakub
View game
Games Showing all 188 games
Date Event Round Color Opponent Result Accuracy % First moves