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Player profile

Siles, Jan

Standard: 2001 Rapid: 1902 Blitz: 1982 (last updated 2026-11-02)
FIDE ID: 23715405 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 2009 Age: 17
Title: — Women's title: — Other title: — FOA title: —
Games: 51 Wins: 11 (22%) Draws: 13 (25%) Losses: 27 (53%)
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Dossier

31 of 51 games analyzed.

Accuracy: 87.4%
Opened d4: 5/5
Castled kingside: 14Same-side castling: 11Opposite-side castling: 4Castled queenside: 2
Fianchettoed kingside: 9Fianchettoed queenside: 7Played in the center: 6Played on the queenside: 3Played on the kingside: 2
Backward pawn: 12Kept the bishop pair: 11Isolated pawn: 10Active pieces: 10Sacrificed material: 9Missed tactics: 8Initiated exchanges: 7Space advantage: 6Avoided exchanges: 6Played gambits: 1
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Openings

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As White 16 games 7W 4D 5L
Trompowsky Attack 5 games 4W 0D 1L
(unspecified) 3 games 2W 0D 1L
(unspecified) 3 games 2W 0D 1L
Classical Defense 2 games 2W 0D 0L
Big Center Variation 2 games 2W 0D 0L
Rapport-Jobava System 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
French Defense 2 games 1W 0D 1L
King's Indian Attack 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Queen's Gambit Declined 2 games 0W 1D 1L
Barmen 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
Slav Defense 2 games 1W 0D 1L
Quiet Variation 2 games 1W 0D 1L
Schallopp Defense 2 games 1W 0D 1L
Indian Defense 1 game 0W 0D 1L
Wade-Tartakower Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Benoni Defense 1 game 0W 1D 0L
Old Benoni 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Pawn Game 1 game 0W 1D 0L
Zukertort Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 20 games 2W 6D 12L
Sicilian Defense 12 games 2W 4D 6L
Accelerated Dragon 4 games 1W 0D 3L
Maróczy Bind 3 games 1W 0D 2L
Modern Variation 1 game 0W 0D 1L
Hyperaccelerated Dragon 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Alapin Variation 1 game 1W 0D 0L
Barmen Defense 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Smith-Morra Gambit Declined 1 game 0W 1D 0L
Push Variation 1 game 0W 1D 0L
Smith-Morra Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Closed 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Richter-Rauzer Variation 1 game 0W 0D 1L
Neo-Modern Variation, Early Deviations 1 game 0W 0D 1L
English Opening 3 games 0W 1D 2L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Anglo-Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Agincourt Defense 1 game 0W 0D 1L
Neo-Catalan Declined 1 game 0W 0D 1L
Queen's Pawn Game 1 game 0W 1D 0L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 1 game 0W 0D 1L
Sicilian Invitation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blumenfeld Countergambit Accepted 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 194

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

2023.08.26 · 25... Kg8 (−85.7% win chance) 1-0
Siles, Jan
Svadlenka, Dominik
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2025.05.10 · 29... Rf7 (−50.3% win chance) 1-0
Siles, Jan
Martianov, Andrey
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2023.08.31 · 28. Bd8 (−42% win chance) 1/2-1/2
Ondrej Stanek
Jan Siles
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2023.10.27 · 51... Rf7 (−34.5% win chance) 1/2-1/2
Jan Síleš
Vojtěch Vlček
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View blunders & mistakes
Games Showing all 51 games
Date Event Round Color Opponent Result Accuracy % First moves