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Player profile

Pejsa, Jaroslav

Standard: 1692 Rapid: 1496 Blitz: 0 (last updated 2026-11-02)
FIDE ID: 23777923 (view FIDE profile)
Federation: CZE
Federation: CZE Sex: M Birth Year: 2012 Age: 14
Title: — Women's title: — Other title: — FOA title: —
Games: 11 Wins: 3 (27%) Draws: 2 (18%) Losses: 6 (55%)
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Dossier

10 of 11 games analyzed.

Accuracy: 83.9%
Opened e4: 5/5
Castled kingside: 8Same-side castling: 7Opposite-side castling: 2Did not castle: 1Castled queenside: 1
Played in the center: 5Played on the kingside: 3Played on the queenside: 1Fianchettoed kingside: 1Fianchettoed queenside: 1
Sacrificed material: 7Initiated exchanges: 7Active pieces: 6Space advantage: 5Kept the bishop pair: 4Isolated pawn: 4Missed tactics: 3Backward pawn: 3Played gambits: 1Avoided exchanges: 1
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Openings

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

As White 6 games 2W 1D 3L
Sicilian Defense 3 games 0W 1D 2L
Moscow Variation 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Closed 1 game 0W 0D 1L
Grob Attack 1 game 0W 0D 1L
Modern Variations 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Italian Game 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Scandinavian Defense 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Pawn Game 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 5 games 1W 1D 3L
French Defense 3 games 0W 1D 2L
Exchange Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Two Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 2 games 1W 0D 1L
Old Indian Attack 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Blunders Top 4 of 45

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

2026.07.07 · 39... Ke7 (−40% win chance) 1-0
Pejsa, Jaroslav
Studnicka, Ondrej
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2025.10.26 · 38... Nfg3+ (−35.2% win chance) 1-0
Pejsa, Jaroslav
Vorlik, Jachym
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2026.07.06 · 21. Qxd5+ (−33.4% win chance) 1/2-1/2
Hajicek, Matyas
Pejsa, Jaroslav
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2025.10.29 · 12. Ndb5 (−30.2% win chance) 0-1
Tsantsala, Kostiantyn
Pejsa, Jaroslav
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View blunders & mistakes
Games Showing all 11 games
Date Event Round Color Opponent Result Accuracy % First moves