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Player profile

Kokoszczynski, Jan

Standard: 2275 Rapid: 2283 Blitz: 2303 (last updated 2026-11-02)
FIDE ID: 1174460 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2002 Age: 24
Title: FM Women's title: — Other title: — FOA title: —
Games: 176 Wins: 76 (43%) Draws: 46 (26%) Losses: 49 (28%) Other: 5
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Dossier

132 of 176 games analyzed.

Accuracy: 90.4%
Opened d4: 27/56Opened Nf3: 16/56Opened e4: 12/56Opened c4: 1/56
Castled kingside: 93Same-side castling: 87Castled queenside: 11Did not castle: 11Opposite-side castling: 8
Played in the center: 46Fianchettoed kingside: 30Played on the queenside: 30Fianchettoed queenside: 25Played on the kingside: 21
Initiated exchanges: 84Active pieces: 82Backward pawn: 63Sacrificed material: 62Kept the bishop pair: 60Isolated pawn: 57Space advantage: 50Missed tactics: 28Avoided exchanges: 21Accepted short draws: 8
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Openings

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

As White 80 games 40W 23D 16L
Zukertort Opening 11 games 7W 1D 3L
(unspecified) 5 games 4W 0D 1L
(unspecified) 5 games 4W 0D 1L
Sicilian Invitation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Nimzo-Larsen Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Reversed Grünfeld 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Dutch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Indian Defense 7 games 3W 2D 2L
Normal Variation 3 games 1W 1D 1L
Botvinnik System 2 games 1W 1D 0L
Classical Defense 1 game 0W 0D 1L
Kmoch Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
St. Petersburg Variation 1 game 0W 1D 0L
Fischer Variation 1 game 0W 1D 0L
Rubinstein System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 6 games 5W 1D 0L
Anglo-Indian Defense 3 games 3W 0D 0L
King's Knight Variation 2 games 2W 0D 0L
Queen's Indian Formation 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's English Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Agincourt Defense 1 game 1W 0D 0L
Catalan Defense Accepted 1 game 1W 0D 0L
King's Indian Attack 5 games 2W 2D 1L
Symmetrical Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Sicilian Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 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
Indian Defense 5 games 4W 0D 1L
Normal Variation 4 games 3W 0D 1L
(unspecified) 4 games 3W 0D 1L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 5 games 3W 1D 1L
Exchange Variation 4 games 2W 1D 1L
Positional Variation 4 games 2W 1D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 5 games 3W 1D 1L
Najdorf Variation 2 games 1W 0D 1L
English Attack, Anti-English 1 game 0W 0D 1L
English Attack 1 game 1W 0D 0L
Nyezhmetdinov-Rossolimo Attack 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
Chekhover Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Taimanov Variation 1 game 0W 1D 0L
Bastrikov Variation, English Attack 1 game 0W 1D 0L
King's Indian Defense 3 games 2W 1D 0L
Normal Variation 1 game 1W 0D 0L
Standard Development 1 game 1W 0D 0L
Semi-Averbakh System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Fianchetto Variation 1 game 0W 1D 0L
Yugoslav Variation, Exchange Line 1 game 0W 1D 0L
Queen's Pawn Game 3 games 1W 2D 0L
Veresov Attack 1 game 0W 1D 0L
Dutch System 1 game 0W 1D 0L
Zukertort Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Wade Defense 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Modern Defense 3 games 0W 3D 0L
(unspecified) 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Standard Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Caro-Kann Defense 3 games 0W 2D 1L
Endgame Offer 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Two Knights Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 3 games 0W 1D 1L
Schlechter Variation 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
Advance Variation 1 game 0W 1D 0L
Euwe Variation 1 game 0W 1D 0L
Steinitz Variation 1 game 0W 0D 1L
Boleslavsky Variation 1 game 0W 0D 1L
Catalan Opening 2 games 0W 1D 1L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Open Defense 1 game 0W 1D 0L
Modern Sharp Variation 1 game 0W 1D 0L
Queen's Indian Defense 2 games 1W 0D 1L
Fianchetto Variation 2 games 1W 0D 1L
Nimzowitsch Variation 1 game 0W 0D 1L
Kramnik Variation 1 game 1W 0D 0L
Italian Game 2 games 0W 0D 2L
Two Knights Defense 1 game 0W 0D 1L
Modern Bishop's Opening 1 game 0W 0D 1L
Giuoco Pianissimo 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ruy Lopez 2 games 1W 1D 0L
Open Berlin Defense 1 game 0W 1D 0L
l'Hermet Variation 1 game 0W 1D 0L
Morphy Defense 1 game 1W 0D 0L
Modern Steinitz Defense 1 game 1W 0D 0L
King's Indian Attack, with Bf5 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Slav Defense 1 game 1W 0D 0L
Accelerated Move Order 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 1 game 0W 1D 0L
Czech Variation 1 game 0W 1D 0L
Dutch Variation 1 game 0W 1D 0L
Neo-Grünfeld Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Original Defense 1 game 1W 0D 0L
Dutch Defense 1 game 1W 0D 0L
Raphael Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 1 game 0W 1D 0L
Retreat Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Grünfeld Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Modern Exchange Variation 1 game 0W 1D 0L
Slav Indian 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Réti Opening 1 game 1W 0D 0L
Anglo-Slav Variation 1 game 1W 0D 0L
Gurevich System 1 game 1W 0D 0L
Queen's Gambit Accepted 1 game 1W 0D 0L
Classical Defense 1 game 1W 0D 0L
Main Line 1 game 1W 0D 0L
As Black 79 games 31W 17D 27L
French Defense 12 games 7W 3D 2L
Advance Variation 4 games 4W 0D 0L
Paulsen Attack 4 games 4W 0D 0L
Winawer Variation 4 games 2W 1D 1L
Advance Variation 2 games 0W 1D 1L
Alekhine-Maróczy Gambit 1 game 1W 0D 0L
Bogoljubow Variation 1 game 1W 0D 0L
Steinitz Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Tarrasch Variation 1 game 0W 1D 0L
Open System 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Burn Variation 1 game 0W 1D 0L
King's Indian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 12 games 8W 1D 3L
Advance Variation 2 games 1W 1D 0L
Short Variation 1 game 0W 1D 0L
Tal Variation 1 game 1W 0D 0L
Tartakower Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Exchange Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Apocalypse Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Maróczy Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Panov Attack 1 game 1W 0D 0L
Modern Defense 1 game 1W 0D 0L
Endgame Offer 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Two Knights Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 8 games 2W 1D 4L
Symmetrical Variation 5 games 2W 1D 1L
Botvinnik System Reversed, with Nf3 2 games 0W 0D 1L
Three Knights, Fianchetto Variation 2 games 1W 1D 0L
Hedgehog Defense 1 game 1W 0D 0L
Agincourt Defense 1 game 0W 0D 1L
Neo-Catalan Declined 1 game 0W 0D 1L
Anglo-Indian Defense 1 game 0W 0D 1L
King's Indian Formation 1 game 0W 0D 1L
Mikenas-Carls Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Defense 7 games 3W 1D 2L
Normal Variation 2 games 1W 0D 0L
Rare Defenses 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 0L
Fianchetto Variation 2 games 0W 1D 1L
Larsen Defense 1 game 0W 0D 1L
Lesser Simagin (Spassky) 1 game 0W 1D 0L
Makogonov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Orthodox Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Averbakh System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Sicilian Defense 6 games 3W 0D 3L
Moscow Variation 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
Delayed Alapin Variation 1 game 1W 0D 0L
with d6 1 game 1W 0D 0L
Najdorf Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Keres Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Accelerated Dragon 1 game 0W 0D 1L
Maróczy Bind 1 game 0W 0D 1L
Nimzo-Indian Defense 5 games 1W 2D 2L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Normal Variation 1 game 0W 1D 0L
Classical Defense 1 game 0W 1D 0L
St. Petersburg Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 5 games 1W 0D 4L
Ragozin Defense 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Queen's Knight Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 3 games 1W 0D 1L
Anti-Grünfeld 1 game 0W 0D 1L
Basman-Williams Attack 1 game 0W 0D 1L
Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Anti-Nimzo-Indian 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
Réti Opening 2 games 0W 0D 2L
Anglo-Slav Variation 2 games 0W 0D 2L
Gurevich System 2 games 0W 0D 2L
Semi-Slav Defense 2 games 0W 2D 0L
Stoltz Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Defense 2 games 0W 1D 1L
Spassky System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Yates Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Italian Game 2 games 2W 0D 0L
Classical Variation 1 game 1W 0D 0L
Giuoco Pianissimo, with a6 1 game 1W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
Modern Bishop's Opening 1 game 1W 0D 0L
King's Indian Attack 2 games 0W 1D 1L
Pachman System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Accepted 1 game 0W 1D 0L
Central Variation 1 game 0W 1D 0L
Alekhine System 1 game 0W 1D 0L
Pirc Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Trompowsky Attack 1 game 0W 1D 0L
Classical Defense 1 game 0W 1D 0L
Big Center Variation 1 game 0W 1D 0L
Neo-Grünfeld Defense 1 game 0W 0D 0L
with g3 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
Rapport-Jobava System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Scotch Game 1 game 0W 0D 1L
Mieses Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack, with e6 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ruy Lopez 1 game 0W 1D 0L
Morphy Defense 1 game 0W 1D 0L
Modern Steinitz Defense 1 game 0W 1D 0L
Bogo-Indian Defense 1 game 0W 1D 0L
Retreat Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Petrov's Defense 1 game 1W 0D 0L
Modern Attack 1 game 1W 0D 0L
Center Variation 1 game 1W 0D 0L
Blunders Top 4 of 492

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

2026.10.23 · 33. Re6 (−91.8% win chance) 1-0
Traen, Oyvind Bjornevoll
Kokoszczynski, Jan
View game
2024.07.08 · 38. Rf8 (−78.9% win chance) 1-0
Bartodziej, Bartosz
Kokoszczynski, Jan
View game
2026.08.29 · 29... Qd6 (−74.8% win chance) 1-0
Kokoszczynski, Jan
Balacek, Tadeas
View game
2024.07.08 · 25... Qd5 (−56.8% win chance) 0-1
Kokoszczynski, Jan
Kanarek, Marcel
View game
View blunders & mistakes
Games Showing all 176 games
Date Event Round Color Opponent Result Accuracy % First moves