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Player profile

Marek, Jiri

Standard: 1931 Rapid: 2056 Blitz: 1923 (last updated 2026-11-02)
FIDE ID: 317004 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 1958 Age: 68
Title: — Women's title: — Other title: — FOA title: —
Games: 31 Wins: 12 (39%) Draws: 11 (35%) Losses: 8 (26%)
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Dossier

31 of 31 games analyzed.

Accuracy: 84.6%
Opened e4: 8/8
Castled kingside: 13Same-side castling: 10Did not castle: 2Opposite-side castling: 2Castled queenside: 2
Played in the center: 9Played on the queenside: 5Fianchettoed kingside: 4Played on the kingside: 3Fianchettoed queenside: 1
Active pieces: 12Kept the bishop pair: 9Backward pawn: 8Initiated exchanges: 8Space advantage: 8Missed tactics: 8Isolated pawn: 7Sacrificed material: 6Played gambits: 5Avoided exchanges: 4
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Openings

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

As White 8 games 3W 1D 4L
Sicilian Defense 3 games 1W 0D 2L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Taimanov Variation 1 game 0W 0D 1L
Bastrikov Variation 1 game 0W 0D 1L
Delayed Alapin Variation 1 game 1W 0D 0L
with e6 1 game 1W 0D 0L
Blackmar-Diemer Gambit 2 games 1W 0D 1L
von Popiel Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Lemberger Countergambit 1 game 0W 0D 1L
Soller Attack 1 game 0W 0D 1L
French Defense 2 games 1W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Marshall Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
Bronstein Variation 1 game 0W 0D 1L
As Black 9 games 4W 4D 1L
Caro-Kann Defense 3 games 1W 2D 0L
Advance Variation 1 game 0W 1D 0L
Tal Variation 1 game 0W 1D 0L
Two Knights Attack 1 game 0W 1D 0L
Mindeno Variation, Retreat Line 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 2 games 0W 1D 1L
Alapin Variation 1 game 0W 1D 0L
Barmen Defense 1 game 0W 1D 0L
Lasker-Pelikan Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Pawn Game 2 games 1W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Colle System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 158

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

2026.08.16 · 23... Rg7 (−48.3% win chance) 0-1
Marek, Jiri
Weiss, Pavel
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2026.08.18 · 30. Bxf7+ (−45.9% win chance) 0-1
Lexa, Vaclav
Marek, Jiri
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2026.08.16 · 22... Raf8 (−41.4% win chance) 0-1
Marek, Jiri
Weiss, Pavel
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2023.08.18 · 44. Rf3 (−38% win chance) 1/2-1/2
Titera, Libor
Marek, Jiri
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Games Showing all 31 games
Date Event Round Color Opponent Result Accuracy % First moves