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Sipek, Ondrej

Standard: 1479 Rapid: 1545 Blitz: 0 (last updated 2026-11-02)
FIDE ID: 23758651 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 2015 Age: 11
Title: — Women's title: — Other title: — FOA title: —
Games: 7 Wins: 2 (29%) Draws: 1 (14%) Losses: 4 (57%)
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Dossier

3 of 7 games analyzed.

Accuracy: 82%
Opened e4: 2/2
Castled kingside: 3Same-side castling: 3
Played on the kingside: 2Fianchettoed kingside: 1Played on the queenside: 1
Backward pawn: 3Active pieces: 3Space advantage: 2Missed tactics: 2Initiated exchanges: 2Avoided exchanges: 1Kept the bishop pair: 1Isolated pawn: 1
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Openings

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As White 3 games 1W 1D 1L
Caro-Kann Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
French Defense 1 game 1W 0D 0L
Advance Variation 1 game 1W 0D 0L
Paulsen Attack 1 game 1W 0D 0L
Three Knights Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 4 games 1W 0D 3L
Sicilian Defense 2 games 0W 0D 2L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Smith-Morra Gambit Declined 1 game 0W 0D 1L
Push Variation 1 game 0W 0D 1L
Torre Attack 1 game 1W 0D 0L
Fianchetto Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Positional Variation 1 game 0W 0D 1L
Blunders Top 4 of 21

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

2026.10.31 · 27... Be5+ (−30.2% win chance) 0-1
Sipek, Ondrej
Krejcik, Radek
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2025.10.31 · 20. Qf5+ (−25.5% win chance) 1-0
Tehan, Albert
Sipek, Ondrej
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2025.10.31 · 16. Bxg6+ (−19.5% win chance) 1-0
Tehan, Albert
Sipek, Ondrej
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2025.10.31 · 17. Nh4+ (−17.8% win chance) 1-0
Tehan, Albert
Sipek, Ondrej
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Games Showing all 7 games
Date Event Round Color Opponent Result Accuracy % First moves