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Player profile

Krol, Jan

Games: 89 Wins: 24 (27%) Draws: 39 (44%) Losses: 26 (29%)
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Dossier

77 of 89 games analyzed.

Accuracy: 91.1%
Opened e4: 34/40Opened Nf3: 5/40Opened d4: 1/40
Castled kingside: 56Same-side castling: 52Did not castle: 13Opposite-side castling: 8Castled queenside: 8
Played in the center: 28Played on the kingside: 22Fianchettoed kingside: 15Played on the queenside: 13Fianchettoed queenside: 10
Active pieces: 55Initiated exchanges: 54Sacrificed material: 45Backward pawn: 44Space advantage: 40Kept the bishop pair: 34Isolated pawn: 29Missed tactics: 18Avoided exchanges: 13Played gambits: 8
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Openings

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As White 45 games 15W 19D 11L
Sicilian Defense 21 games 6W 9D 6L
Najdorf Variation 4 games 1W 1D 2L
(unspecified) 2 games 0W 0D 2L
English Attack 2 games 1W 1D 0L
Taimanov Variation 3 games 1W 2D 0L
(unspecified) 2 games 0W 2D 0L
Bastrikov Variation 1 game 1W 0D 0L
Classical Variation 3 games 0W 1D 2L
Anti-Sozin Variation 2 games 0W 0D 2L
Sozin Attack 1 game 0W 1D 0L
Nyezhmetdinov-Rossolimo Attack 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Moscow Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Kan Variation 2 games 1W 1D 0L
Modern Variation 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
Accelerated Dragon 2 games 0W 2D 0L
Maróczy Bind, Gurgenidze Variation 1 game 0W 1D 0L
Maróczy Bind 1 game 0W 1D 0L
Magnus Smith Trap 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
O'Kelly Variation 1 game 1W 0D 0L
Maróczy Bind, Robatsch Line 1 game 1W 0D 0L
Closed 1 game 0W 0D 1L
Chameleon Variation 1 game 0W 0D 1L
French Defense 4 games 2W 1D 1L
Winawer Variation 2 games 1W 1D 0L
Bogoljubow Variation 1 game 0W 1D 0L
Alekhine Gambit, Kan Variation 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Advance Variation 1 game 0W 0D 1L
Euwe Variation 1 game 0W 0D 1L
Caro-Kann Defense 4 games 2W 2D 0L
Advance Variation 3 games 1W 2D 0L
Tal Variation 1 game 0W 1D 0L
Botvinnik-Carls Defense 1 game 0W 1D 0L
Bayonet Attack 1 game 1W 0D 0L
Tartakower Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 3 games 1W 2D 0L
London System 2 games 1W 1D 0L
with e6 2 games 1W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Italian Game 3 games 0W 3D 0L
Giuoco Pianissimo 1 game 0W 1D 0L
Italian Four Knights Variation 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Giuoco Pianissimo 1 game 0W 1D 0L
Two Knights Defense 1 game 0W 1D 0L
Modern Bishop's Opening 1 game 0W 1D 0L
King's Indian Attack 2 games 0W 1D 1L
Wahls Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Petrov's Defense 2 games 0W 1D 1L
Classical Attack 1 game 0W 1D 0L
Marshall Variation 1 game 0W 1D 0L
Nimzowitsch Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Defense 1 game 1W 0D 0L
Petrosian Variation 1 game 1W 0D 0L
Stein Defense 1 game 1W 0D 0L
Réti Opening 1 game 1W 0D 0L
Anglo-Slav Variation 1 game 1W 0D 0L
New York System 1 game 1W 0D 0L
Bishop's Opening 1 game 0W 0D 1L
Paulsen Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Four Knights Game 1 game 1W 0D 0L
Gunsberg Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Czech Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
As Black 44 games 9W 20D 15L
Sicilian Defense 13 games 4W 7D 2L
Najdorf Variation 5 games 0W 4D 1L
Adams Attack 2 games 0W 2D 0L
Opocensky Variation, Traditional Line 1 game 0W 0D 1L
Lipnitsky Attack 1 game 0W 1D 0L
English Attack 1 game 0W 1D 0L
Moscow Variation 3 games 0W 2D 1L
Main Line 3 games 0W 2D 1L
Closed 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Hyperaccelerated Dragon 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Taimanov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Chekhover Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 8 games 0W 2D 6L
Closed 4 games 0W 1D 3L
Breyer Defense, Zaitsev Hybrid 2 games 0W 1D 1L
Chigorin Defense 1 game 0W 0D 1L
Delayed Exchange 1 game 0W 0D 1L
Morphy Defense 3 games 0W 1D 2L
Steinitz Deferred 2 games 0W 0D 2L
Bayreuth Variation 1 game 0W 1D 0L
Marshall Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Attack 6 games 1W 3D 2L
(unspecified) 4 games 1W 2D 1L
(unspecified) 4 games 1W 2D 1L
Yugoslav Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Keres Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 3 games 1W 2D 0L
Sämisch Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Normal 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
French Defense 2 games 0W 2D 0L
King's Indian Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
St. George Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 2 games 0W 2D 0L
King's English Variation 1 game 0W 1D 0L
Kramnik-Shirov Counterattack 1 game 0W 1D 0L
Anglo-Indian Defense 1 game 0W 1D 0L
King's Indian Formation 1 game 0W 1D 0L
Indian Defense 2 games 0W 0D 2L
Normal Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Benoni Defense 1 game 0W 1D 0L
Fianchetto 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
(unspecified) 1 game 1W 0D 0L
Italian Game 1 game 0W 1D 0L
Scotch Gambit 1 game 0W 1D 0L
Anderssen Attack 1 game 0W 1D 0L
Lion Defense 1 game 1W 0D 0L
Anti-Philidor 1 game 1W 0D 0L
Lion's Cave 1 game 1W 0D 0L
Zukertort Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Defense 1 game 1W 0D 0L
Orthodox Variation 1 game 1W 0D 0L
Gligoric-Taimanov System 1 game 1W 0D 0L
Queen's Pawn Game 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 323

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

2026.08.05 · 35... Bd4 (−73.4% win chance) 1-0
Krol, Jan
Dobrowolski, Aleksander
View game
2026.05.24 · 31. f3 (−47.5% win chance) 0-1
Nagly, Wojciech
Krol, Jan
View game
2026.05.28 · 64. Qxh7 (−45.2% win chance) 0-1
Klim, Filip
Krol, Jan
View game
2026.08.07 · 49... d3 (−43.2% win chance) 1/2-1/2
Krol, Jan
Hertlein, Irena
View game
View blunders & mistakes
Games Showing all 89 games
Date Event Round Color Opponent Result Accuracy % First moves