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Player profile

Seidl, Jan

Standard: 2347 Rapid: 2092 Blitz: 2163 (last updated 2026-11-02)
FIDE ID: 23714522 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 2007 Age: 19
Title: FM Women's title: — Other title: — FOA title: —
Games: 79 Wins: 36 (46%) Draws: 30 (38%) Losses: 13 (16%)
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Dossier

70 of 79 games analyzed.

Accuracy: 90.3%
Opened d4: 26/32Opened Nf3: 3/32Opened e4: 2/32Opened c4: 1/32
Castled kingside: 45Same-side castling: 41Did not castle: 9Opposite-side castling: 3
Fianchettoed queenside: 22Fianchettoed kingside: 22Played on the queenside: 18Played in the center: 17Played on the kingside: 11
Kept the bishop pair: 41Active pieces: 39Initiated exchanges: 37Space advantage: 35Sacrificed material: 34Backward pawn: 33Isolated pawn: 24Avoided exchanges: 10Played gambits: 8Missed tactics: 6
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Openings

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As White 36 games 17W 16D 3L
Catalan Opening 7 games 5W 1D 1L
Closed 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Open Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Closed Variation 1 game 1W 0D 0L
Traditional Variation 1 game 1W 0D 0L
Semi-Slav Defense 5 games 3W 1D 1L
Quiet Variation 5 games 3W 1D 1L
(unspecified) 5 games 3W 1D 1L
Sicilian Defense 3 games 0W 3D 0L
Accelerated Dragon 1 game 0W 1D 0L
Maróczy Bind 1 game 0W 1D 0L
Staunton-Cochrane Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Alapin Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
English Opening 3 games 1W 2D 0L
Symmetrical Variation 1 game 1W 0D 0L
Two Knights Variation 1 game 1W 0D 0L
King's English Variation 1 game 0W 1D 0L
Two Knights Variation, Fianchetto Line 1 game 0W 1D 0L
Agincourt Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 3 games 3W 0D 0L
Fianchetto Variation 2 games 2W 0D 0L
Yugoslav Variation, Rare Line 1 game 1W 0D 0L
Immediate Fianchetto 1 game 1W 0D 0L
Makogonov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 3 games 1W 2D 0L
Breyer Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Modern Line 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 2 games 0W 2D 0L
Colle System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Chigorin Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 2 games 1W 1D 0L
Kmoch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 2 games 0W 1D 1L
Albin Countergambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Exchange Variation 1 game 0W 1D 0L
Positional Variation 1 game 0W 1D 0L
Zukertort Opening 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Benko Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Dutch Defense 1 game 0W 1D 0L
Raphael Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Benoni Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Neo-Grünfeld Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Original Defense 1 game 0W 1D 0L
As Black 27 games 11W 11D 5L
Sicilian Defense 8 games 4W 3D 1L
Moscow Variation 3 games 0W 2D 1L
(unspecified) 3 games 0W 2D 1L
Closed 2 games 1W 1D 0L
Carlsen Variation 2 games 1W 1D 0L
Delayed Alapin Variation 1 game 1W 0D 0L
with d6 1 game 1W 0D 0L
Najdorf Variation 1 game 1W 0D 0L
Opocensky Variation, Traditional Line 1 game 1W 0D 0L
Smith-Morra Gambit Declined 1 game 1W 0D 0L
Push Variation 1 game 1W 0D 0L
Caro-Kann Defense 8 games 1W 6D 1L
Advance Variation 2 games 1W 1D 0L
Tal Variation 1 game 0W 1D 0L
Botvinnik-Carls Defense 1 game 1W 0D 0L
Panov Attack 2 games 0W 2D 0L
Fianchetto Defense 1 game 0W 1D 0L
Modern Defense 1 game 0W 1D 0L
Endgame Offer 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Two Knights Attack 1 game 0W 1D 0L
Mindeno Variation, Exchange Line 1 game 0W 1D 0L
Maróczy Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 2 games 1W 1D 0L
Harrwitz Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Three Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 2 games 1W 0D 1L
Accelerated London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Anti-Nimzo-Indian 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Slav Defense 2 games 1W 0D 1L
Anti-Moscow Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Stoltz Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Rapport-Jobava System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bird Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Indian Defense 1 game 0W 0D 1L
Riumin Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
Botvinnik System Reversed, with Nf3 1 game 0W 1D 0L
Blunders Top 4 of 242

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

2026.07.19 · 32. Rc4 (−81.5% win chance) 1-0
Kalia, Anant
Seidl, Jan
View game
2023.03.16 · 45. Rg4 (−78.1% win chance) 0-1
Paseka, Matyas
Seidl, Jan
View game
2025.05.10 · 20. Bxf7+ (−52.1% win chance) 1-0
Vojtek, Vladimir
Seidl, Jan
View game
2025.07.20 · 33... Rh8 (−47.5% win chance) 1-0
Seidl, Jan
Koziorowicz, Michal
View game
View blunders & mistakes
Games Showing all 79 games
Date Event Round Color Opponent Result Accuracy % First moves