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Player profile

Benes, Jan Jeronym

Standard: 1835 Rapid: 1795 Blitz: 1884 (last updated 2026-11-02)
FIDE ID: 23777745 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 2012 Age: 14
Title: — Women's title: — Other title: — FOA title: —
Games: 47 Wins: 10 (21%) Draws: 13 (28%) Losses: 24 (51%)
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Dossier

43 of 47 games analyzed.

Accuracy: 83.7%
Opened d4: 17/18Opened e4: 1/18
Castled kingside: 29Same-side castling: 28Did not castle: 4Castled queenside: 2Opposite-side castling: 2
Fianchettoed kingside: 24Played in the center: 11Played on the queenside: 10Fianchettoed queenside: 9Played on the kingside: 5
Active pieces: 29Backward pawn: 23Sacrificed material: 23Space advantage: 22Initiated exchanges: 21Kept the bishop pair: 18Isolated pawn: 17Missed tactics: 11Avoided exchanges: 10Played gambits: 7
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Openings

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As White 21 games 7W 5D 9L
Catalan Opening 8 games 2W 3D 3L
(unspecified) 3 games 0W 1D 2L
(unspecified) 3 games 0W 1D 2L
Open Defense 3 games 1W 1D 1L
(unspecified) 2 games 1W 0D 1L
Classical Line 1 game 0W 1D 0L
Closed Variation 2 games 1W 1D 0L
Traditional Variation 2 games 1W 1D 0L
Queen's Gambit Accepted 3 games 1W 1D 1L
Normal Variation 2 games 0W 1D 1L
Traditional System 1 game 0W 0D 1L
(unspecified) 1 game 0W 1D 0L
Gunsberg Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Dutch Defense 3 games 2W 1D 0L
Leningrad Variation 2 games 1W 1D 0L
Warsaw Variation 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 2 games 1W 0D 1L
Quiet Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Line 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 2 games 0W 0D 2L
Fianchetto Variation 2 games 0W 0D 2L
Classical Variation 1 game 0W 0D 1L
Immediate Fianchetto 1 game 0W 0D 1L
Tarrasch Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Advance Variation 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Albin Countergambit 1 game 0W 0D 1L
Normal Line 1 game 0W 0D 1L
Italian Game 1 game 0W 0D 1L
Giuoco Pianissimo 1 game 0W 0D 1L
Lucchini Gambit 1 game 0W 0D 1L
As Black 18 games 3W 6D 9L
Sicilian Defense 10 games 2W 2D 6L
Closed 4 games 1W 0D 3L
(unspecified) 4 games 1W 0D 3L
Najdorf Variation 2 games 1W 0D 1L
Opocensky Variation 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Modern Variations 2 games 0W 2D 0L
Main Line 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Wing Gambit 1 game 0W 0D 1L
Marshall Variation 1 game 0W 0D 1L
Chekhover Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Grünfeld Defense 3 games 0W 2D 1L
Three Knights Variation 1 game 0W 0D 1L
Hungarian Variation 1 game 0W 0D 1L
Exchange Variation 1 game 0W 1D 0L
Modern Exchange Variation 1 game 0W 1D 0L
Russian Variation 1 game 0W 1D 0L
Byrne Variation 1 game 0W 1D 0L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 1W 0D 0L
Anglo-Grünfeld Variation 1 game 1W 0D 0L
Trompowsky Attack 1 game 0W 0D 1L
Raptor Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Réti Opening 1 game 0W 1D 0L
Anglo-Slav Variation 1 game 0W 1D 0L
with g3 1 game 0W 1D 0L
Polish Opening 1 game 0W 1D 0L
Outflank Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 269

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

2025.10.26 · 32. Rf1 (−81.2% win chance) 1-0
Malek, Daniel
Benes, Jan Jeronym
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2026.05.16 · 55. h3 (−69.3% win chance) 1/2-1/2
Macho, Miloslav
Benes, Jan Jeronym
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2026.05.16 · 53. Kf4 (−54.6% win chance) 1/2-1/2
Macho, Miloslav
Benes, Jan Jeronym
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2026.05.17 · 21. Nxb5 (−51.5% win chance) 0-1
Brstak, Ondrej
Benes, Jan Jeronym
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View blunders & mistakes
Games Showing all 47 games
Date Event Round Color Opponent Result Accuracy % First moves