Player profile

Kosakowski, Jakub

Standard: 2523 Rapid: 2539 Blitz: 2531 (last updated 2026-11-02)
FIDE ID: 1185080 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2002 Age: 24
Title: GM Women's title: — Other title: — FOA title: —
Games: 436 Wins: 194 (44%) Draws: 152 (35%) Losses: 83 (19%) Other: 7
Dossier

397 of 436 games analyzed.

Accuracy: 92.5%
Opened e4: 154/170Opened Nf3: 10/170Opened d4: 4/170Opened c4: 2/170
Castled kingside: 268Same-side castling: 235Castled queenside: 36Opposite-side castling: 33Did not castle: 30
Played in the center: 115Played on the queenside: 95Played on the kingside: 71Fianchettoed queenside: 55Fianchettoed kingside: 54
Active pieces: 244Initiated exchanges: 223Sacrificed material: 221Space advantage: 172Kept the bishop pair: 159Backward pawn: 157Isolated pawn: 154Played gambits: 60Missed tactics: 50Avoided exchanges: 49
Openings

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

As White 191 games 98W 67D 26L
Sicilian Defense 69 games 37W 18D 14L
Modern Variations 11 games 8W 0D 3L
(unspecified) 9 games 7W 0D 2L
Main Line 1 game 0W 0D 1L
Ginsberg Gambit 1 game 1W 0D 0L
Najdorf Variation 10 games 5W 4D 1L
Lipnitsky Attack 4 games 1W 2D 1L
English Attack 2 games 0W 2D 0L
(unspecified) 1 game 1W 0D 0L
Opocensky Variation 1 game 1W 0D 0L
Petronić Attack 1 game 1W 0D 0L
Opocensky Variation, Traditional Line 1 game 1W 0D 0L
Old Sicilian 8 games 4W 1D 3L
(unspecified) 8 games 4W 1D 3L
Taimanov Variation 8 games 4W 3D 1L
(unspecified) 5 games 2W 3D 0L
Bastrikov Variation, English Attack 3 games 2W 0D 1L
Nyezhmetdinov-Rossolimo Attack 7 games 2W 5D 0L
(unspecified) 5 games 1W 4D 0L
Fianchetto Variation, Lutikov Gambit 1 game 0W 1D 0L
Fianchetto Variation 1 game 1W 0D 0L
Richter-Rauzer Variation 4 games 3W 0D 1L
Neo-Modern Variation 2 games 2W 0D 0L
Vitolins Variation 1 game 1W 0D 0L
Neo-Modern Variation, Early Deviations 1 game 0W 0D 1L
Lasker-Pelikan Variation 4 games 2W 2D 0L
Sveshnikov Variation, Chelyabinsk Variation 3 games 1W 2D 0L
Sveshnikov Variation 1 game 1W 0D 0L
Kan Variation 4 games 1W 1D 2L
(unspecified) 2 games 0W 1D 1L
Maróczy Bind, Réti Variation 1 game 1W 0D 0L
Modern Variation 1 game 0W 0D 1L
Accelerated Dragon 4 games 2W 2D 0L
Maróczy Bind 3 games 1W 2D 0L
Maróczy Bind, Gurgenidze Variation 1 game 1W 0D 0L
O'Kelly Variation 3 games 3W 0D 0L
Venice System 2 games 2W 0D 0L
Venice System, Ljubojevic Line 1 game 1W 0D 0L
Four Knights Variation 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Kalashnikov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Hyperaccelerated Dragon 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dragon Variation 1 game 0W 0D 1L
Yugoslav Attack, Modern Line 1 game 0W 0D 1L
Godiva Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Italian Game 19 games 8W 9D 2L
Classical Variation 9 games 6W 2D 1L
Giuoco Pianissimo 9 games 6W 2D 1L
Two Knights Defense 5 games 1W 4D 0L
Modern Bishop's Opening 5 games 1W 4D 0L
Giuoco Pianissimo 4 games 1W 2D 1L
Normal 2 games 0W 2D 0L
Italian Four Knights Variation 2 games 1W 0D 1L
Hungarian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Caro-Kann Defense 18 games 10W 5D 3L
Advance Variation 14 games 7W 5D 2L
Botvinnik-Carls Defense 4 games 1W 2D 1L
Short Variation 4 games 3W 1D 0L
(unspecified) 3 games 2W 0D 1L
Bronstein Variation 2 games 1W 1D 0L
Tal Variation 1 game 0W 1D 0L
Tartakower Variation 3 games 3W 0D 0L
(unspecified) 3 games 3W 0D 0L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Scotch Game 18 games 11W 7D 0L
Schmidt Variation 7 games 2W 5D 0L
(unspecified) 7 games 2W 5D 0L
(unspecified) 4 games 4W 0D 0L
(unspecified) 4 games 4W 0D 0L
Potter Variation 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
Malaniuk Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Romanishin Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Mieses Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Tartakower Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 16 games 7W 7D 2L
Tarrasch Variation 6 games 2W 3D 1L
Modern System 2 games 1W 1D 0L
Open System, Euwe-Keres Line 2 games 0W 2D 0L
Morozevich Variation 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
Winawer Variation 4 games 2W 1D 1L
Retreat Variation, Armenian Line 1 game 0W 1D 0L
Bogoljubow Variation 1 game 1W 0D 0L
Delayed Exchange Variation 1 game 0W 0D 1L
Portisch-Hook Variation 1 game 1W 0D 0L
Classical Variation 3 games 1W 2D 0L
(unspecified) 1 game 0W 1D 0L
Burn Variation, Morozevich Line 1 game 1W 0D 0L
Burn Variation 1 game 0W 1D 0L
Rubinstein Variation 2 games 2W 0D 0L
Fort Knox Variation 1 game 1W 0D 0L
Blackburne Defense 1 game 1W 0D 0L
Advance Variation 1 game 0W 1D 0L
Euwe Variation 1 game 0W 1D 0L
Ruy Lopez 9 games 2W 3D 4L
Closed 6 games 2W 1D 3L
Martinez Variation 3 games 1W 1D 1L
(unspecified) 2 games 1W 0D 1L
Breyer Defense, Zaitsev Hybrid 1 game 0W 0D 1L
Morphy Defense 2 games 0W 1D 1L
Neo-Arkhangelsk Variation 1 game 0W 1D 0L
Duras Variation 1 game 0W 0D 1L
Berlin Defense 1 game 0W 1D 0L
Anti-Berlin Variation 1 game 0W 1D 0L
Four Knights Game 7 games 2W 5D 0L
Scotch Variation Accepted 3 games 0W 3D 0L
(unspecified) 2 games 0W 2D 0L
Main Line 1 game 0W 1D 0L
(unspecified) 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Spanish Variation 1 game 0W 1D 0L
Symmetrical Variation, Metger Unpin 1 game 0W 1D 0L
Petrov's Defense 6 games 4W 2D 0L
Classical Attack 5 games 4W 1D 0L
Staunton Variation 3 games 2W 1D 0L
(unspecified) 1 game 1W 0D 0L
Mason-Showalter Variation 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Philidor Defense 5 games 4W 1D 0L
Exchange Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Lion Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Hanham Variation 1 game 1W 0D 0L
Steiner Variation 1 game 1W 0D 0L
Zukertort Opening 3 games 2W 1D 0L
Reversed Grünfeld 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Invitation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pirc Defense 3 games 2W 1D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Byrne Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 2 games 1W 1D 0L
Janowski Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Charousek Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack, with e6 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
English Opening 2 games 1W 1D 0L
Agincourt Defense 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
King's Indian Attack 2 games 1W 1D 0L
Spassky Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Alekhine Defense 2 games 1W 1D 0L
Sämisch Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Modern Variation 1 game 0W 1D 0L
Larsen Variation 1 game 0W 1D 0L
Catalan Opening 1 game 0W 1D 0L
Open Defense 1 game 0W 1D 0L
Classical Line 1 game 0W 1D 0L
Pterodactyl Defense 1 game 1W 0D 0L
Western 1 game 1W 0D 0L
Rhamphorhynchus 1 game 1W 0D 0L
Bishop's Opening 1 game 1W 0D 0L
Paulsen Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Modern Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Neo-Grünfeld Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Original Defense 1 game 0W 1D 0L
King's Pawn Game 1 game 1W 0D 0L
Alapin Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Knight Opening 1 game 0W 0D 1L
Konstantinopolsky 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Pawn Game 1 game 0W 1D 0L
Colle System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 179 games 70W 63D 46L
Sicilian Defense 47 games 20W 16D 11L
Najdorf Variation 17 games 8W 7D 2L
(unspecified) 3 games 3W 0D 0L
Yates Variation 3 games 2W 0D 1L
English Attack 3 games 1W 2D 0L
Opocensky Variation 2 games 0W 2D 0L
Zagreb Variation 2 games 0W 1D 1L
Amsterdam Variation 1 game 1W 0D 0L
Lipnitsky Attack 1 game 0W 1D 0L
Adams Attack 1 game 0W 1D 0L
Opocensky Variation, Traditional Line 1 game 1W 0D 0L
Moscow Variation 11 games 7W 2D 2L
(unspecified) 6 games 3W 1D 2L
Main Line 4 games 4W 0D 0L
Sokolsky Variation 1 game 0W 1D 0L
Taimanov Variation 5 games 3W 0D 2L
(unspecified) 5 games 3W 0D 2L
Delayed Alapin Variation 3 games 0W 2D 1L
(unspecified) 3 games 0W 2D 1L
Prins Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Four Knights Variation 2 games 0W 1D 1L
Exchange Variation 2 games 0W 1D 1L
Boleslavsky Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Smith-Morra Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Modern Variations 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Alapin Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Kan Variation 1 game 0W 1D 0L
Polugaevsky Variation 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 40 games 16W 13D 11L
Advance Variation 13 games 7W 2D 4L
Short Variation 7 games 3W 1D 3L
(unspecified) 2 games 1W 0D 1L
Tal Variation 2 games 2W 0D 0L
Botvinnik-Carls Defense 2 games 1W 1D 0L
Two Knights Attack 8 games 3W 4D 1L
Mindeno Variation, Exchange Line 7 games 3W 3D 1L
(unspecified) 1 game 0W 1D 0L
Exchange Variation 5 games 1W 2D 2L
(unspecified) 5 games 1W 2D 2L
Tartakower Variation 4 games 2W 2D 0L
(unspecified) 4 games 2W 2D 0L
Endgame Offer 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Apocalypse Attack 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Panov Attack 2 games 1W 1D 0L
Modern Defense 2 games 1W 1D 0L
Karpov Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Forgacs 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
English Opening 18 games 5W 8D 5L
King's English Variation 10 games 3W 4D 3L
(unspecified) 4 games 2W 0D 2L
Kramnik-Shirov Counterattack 4 games 1W 2D 1L
Four Knights Variation, Fianchetto Line, with Nb6 2 games 0W 2D 0L
Agincourt Defense 4 games 0W 3D 1L
Catalan Defense Accepted 2 games 0W 2D 0L
(unspecified) 1 game 0W 0D 1L
Neo-Catalan Declined 1 game 0W 1D 0L
Anglo-Indian Defense 3 games 2W 1D 0L
King's Knight Variation 2 games 1W 1D 0L
Queen's Knight Variation 1 game 1W 0D 0L
Anglo-Dutch Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Declined 13 games 6W 5D 2L
Ragozin Defense 5 games 2W 2D 1L
Alekhine Variation 3 games 2W 1D 0L
(unspecified) 1 game 0W 0D 1L
Vienna Variation 1 game 0W 1D 0L
Exchange Variation 3 games 2W 1D 0L
Positional Variation 2 games 2W 0D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Modern Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Queen's Knight Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 11 games 1W 7D 3L
Normal Variation 5 games 0W 4D 1L
Gligoric System, Exchange Variation 2 games 0W 2D 0L
(unspecified) 1 game 0W 0D 1L
Botvinnik System 1 game 0W 1D 0L
Ragozin Variation 1 game 0W 1D 0L
Classical Variation 3 games 0W 2D 1L
(unspecified) 3 games 0W 2D 1L
St. Petersburg Variation 2 games 1W 0D 1L
American Variation 2 games 1W 0D 1L
Reshevsky Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 7 games 2W 2D 3L
Anti-Nimzo-Indian 4 games 2W 0D 2L
(unspecified) 4 games 2W 0D 2L
Normal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Seirawan Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bogo-Indian Defense 6 games 0W 4D 2L
Nimzowitsch Variation 5 games 0W 3D 2L
(unspecified) 5 games 0W 3D 2L
Grünfeld Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Dutch Defense 6 games 4W 2D 0L
Normal Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Semi-Leningrad Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Fianchetto Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Hopton Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Raphael Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 5 games 2W 1D 2L
Orthodox Variation 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Fianchetto Variation 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
Standard Development 1 game 0W 0D 1L
Ruy Lopez 5 games 3W 2D 0L
Morphy Defense 4 games 2W 2D 0L
Classical Defense Deferred 3 games 1W 2D 0L
Schliemann Defense Deferred 1 game 1W 0D 0L
Open 1 game 1W 0D 0L
Dilworth Variation 1 game 1W 0D 0L
Catalan Opening 4 games 0W 1D 3L
Open Defense 2 games 0W 0D 2L
Classical Line 2 games 0W 0D 2L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Opening 4 games 0W 0D 4L
(unspecified) 3 games 0W 0D 3L
(unspecified) 3 games 0W 0D 3L
Dutch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Attack 3 games 3W 0D 0L
Symmetrical Defense 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Rapport-Jobava System 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Queen's Pawn Game 2 games 2W 0D 0L
Zukertort Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
Pseudo-Catalan 1 game 1W 0D 0L
Torre Attack 1 game 1W 0D 0L
Classical Defense 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
Modern Defense 1 game 1W 0D 0L
Gurgenidze Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bishop's Opening 1 game 1W 0D 0L
Vienna Hybrid 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Italian Game 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Giuoco Pianissimo 1 game 0W 1D 0L
Kangaroo Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 1116

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

2023.12.30 · 39... Rxb2 (−84.1% win chance) 1-0
Kosakowski, Jakub
Seemann, Jakub
View game
2025.12.29 · 36... Qd6 (−63.2% win chance) 1-0
Kosakowski, Jakub
Dau Khuong Duy
View game
2023.12.29 · 31. Nf6 (−55.7% win chance) 1-0
Esipenko, Andrey
Kosakowski, Jakub
View game
2025.05.09 · 49... Kf5 (−47.5% win chance) 1/2-1/2
Kosakowski, Jakub
Tomczak, Jacek
View game
Games Showing all 436 games
Date Event Round Color Opponent Result Accuracy % First moves