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Player profile

Krejci, Jan

Standard: 2504 Rapid: 2479 Blitz: 2416 (last updated 2026-11-02)
FIDE ID: 322156 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 1992 Age: 34
Title: GM Women's title: — Other title: — FOA title: —
Games: 132 Wins: 46 (35%) Draws: 56 (42%) Losses: 28 (21%) Other: 2
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Dossier

129 of 132 games analyzed.

Accuracy: 93.5%
Opened d4: 21/40Opened c4: 14/40Opened Nf3: 3/40Opened e4: 2/40
Castled kingside: 67Same-side castling: 63Did not castle: 7Castled queenside: 3Opposite-side castling: 2
Played in the center: 24Fianchettoed queenside: 20Played on the queenside: 17Played on the kingside: 15Fianchettoed kingside: 15
Active pieces: 58Initiated exchanges: 51Space advantage: 45Isolated pawn: 43Kept the bishop pair: 42Backward pawn: 42Sacrificed material: 39Missed tactics: 15Avoided exchanges: 9Played gambits: 5
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Openings

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As White 42 games 16W 18D 8L
English Opening 10 games 7W 2D 1L
King's English Variation 2 games 1W 1D 0L
Four Knights Variation, Quiet Line 1 game 0W 1D 0L
Four Knights Variation, Fianchetto Line, with Nb6 1 game 1W 0D 0L
Agincourt Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Symmetrical Variation 2 games 2W 0D 0L
Botvinnik System Reversed, with Nf3 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
Mikenas-Carls Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Anglo-Indian Defense 1 game 0W 1D 0L
King's Knight Variation 1 game 0W 1D 0L
Anglo-Dutch Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 9 games 2W 6D 1L
Exchange Variation 4 games 1W 2D 1L
Positional Variation 2 games 1W 1D 0L
Carlsen Variation 2 games 0W 1D 1L
Tartakower Defense 1 game 0W 1D 0L
Makogonov Exchange Variation 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Ragozin Defense 1 game 0W 1D 0L
Alekhine Variation 1 game 0W 1D 0L
Westphalian Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Nimzo-Indian Defense 9 games 1W 6D 2L
Normal Variation 3 games 0W 3D 0L
Botvinnik System 2 games 0W 2D 0L
Classical Defense 1 game 0W 1D 0L
Classical Variation 2 games 1W 0D 1L
Noa Variation 2 games 1W 0D 1L
Rubinstein System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sämisch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Reshevsky Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Defense 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
Queen's Pawn Game 2 games 2W 0D 0L
London System 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Semi-Slav Defense 1 game 0W 1D 0L
Stoltz Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 1 game 1W 0D 0L
West Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benko Gambit Accepted 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Four Knights Game 1 game 0W 1D 0L
Scotch Variation Accepted 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Réti Opening 1 game 0W 1D 0L
Anglo-Slav Variation 1 game 0W 1D 0L
Gurevich System 1 game 0W 1D 0L
Queen's Gambit Accepted 1 game 0W 0D 1L
Classical Defense 1 game 0W 0D 1L
Rubinstein Variation 1 game 0W 0D 1L
Catalan Opening 1 game 0W 0D 1L
Open Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Traditional Variation, Main Line 1 game 1W 0D 0L
Sicilian Defense 1 game 0W 1D 0L
Najdorf Variation 1 game 0W 1D 0L
English Attack 1 game 0W 1D 0L
As Black 38 games 9W 18D 11L
Ruy Lopez 10 games 2W 3D 5L
Closed 7 games 1W 2D 4L
Keres Defense 3 games 1W 0D 2L
Breyer Defense, Zaitsev Hybrid 1 game 0W 0D 1L
Martinez Variation 1 game 0W 1D 0L
Flohr System 1 game 0W 1D 0L
Chigorin Defense 1 game 0W 0D 1L
Morphy Defense 3 games 1W 1D 1L
Modern Steinitz Defense 1 game 1W 0D 0L
Duras Variation 1 game 0W 0D 1L
Cozio Defense 1 game 0W 1D 0L
Sicilian Defense 4 games 2W 2D 0L
Kan Variation 2 games 1W 1D 0L
Maróczy Bind, Réti Variation 1 game 0W 1D 0L
Modern Variation 1 game 1W 0D 0L
Taimanov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 4 games 1W 2D 1L
Mikenas-Carls Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
King's English Variation 1 game 0W 1D 0L
Reversed Closed Sicilian 1 game 0W 1D 0L
Anglo-Indian Defense 1 game 0W 0D 1L
Nimzo-English 1 game 0W 0D 1L
Queen's Gambit Declined 4 games 2W 1D 1L
Orthodox Defense 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 1D 0L
Exchange Variation 1 game 0W 0D 1L
Positional Variation 1 game 0W 0D 1L
Barmen Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Knight Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Four Knights Game 2 games 0W 2D 0L
Scotch Variation Accepted 2 games 0W 2D 0L
Main Line 2 games 0W 2D 0L
Nimzo-Indian Defense 2 games 0W 2D 0L
Classical Variation 1 game 0W 1D 0L
Berlin Variation, Pirc Variation 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
Botvinnik System 1 game 0W 1D 0L
Slav Defense 2 games 0W 2D 0L
Exchange Variation 1 game 0W 1D 0L
Symmetrical Line 1 game 0W 1D 0L
Modern Line 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Petrov's Defense 2 games 0W 1D 1L
Modern Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Kaufmann Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Queen's Pawn Game 1 game 0W 1D 0L
Zukertort Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Polugaevsky Gambit 1 game 0W 1D 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 1W 0D 0L
Potter Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Slav Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Italian Game 1 game 0W 0D 1L
Two Knights Defense 1 game 0W 0D 1L
Polerio Defense, Bishop Check Line 1 game 0W 0D 1L
Blunders Top 4 of 351

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

2025.11.29 · 52... Rd2 (−47.5% win chance) 1/2-1/2
Krejci, Jan
Nguyen, Thai Dai Van
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2025.02.09 · 91. Kf1 (−37.7% win chance) 1/2-1/2
Navara, David
Krejci, Jan
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2023.01.15 · 33. fxe5 (−37.7% win chance) 0-1
Pajeken, Jakob Leon
Krejci, Jan
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2024.04.28 · 35. Qh5 (−36.5% win chance) 1/2-1/2
Michalik, Peter
Krejci, Jan
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View blunders & mistakes
Games Showing all 132 games
Date Event Round Color Opponent Result Accuracy % First moves