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Machacek, Ondrej

Standard: 1771 Rapid: 1705 Blitz: 1672 (last updated 2026-11-02)
FIDE ID: 23749180 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 2004 Age: 22
Title: — Women's title: — Other title: — FOA title: —
Games: 5 Wins: 1 (20%) Draws: 0 (0%) Losses: 4 (80%)
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Dossier

4 of 5 games analyzed.

Accuracy: 84.3%
Opened d4: 2/2
Castled kingside: 3Same-side castling: 3Castled queenside: 1Opposite-side castling: 1
Fianchettoed kingside: 2Played in the center: 2Fianchettoed queenside: 1Played on the queenside: 1Played on the kingside: 1
Active pieces: 3Isolated pawn: 2Kept the bishop pair: 2Space advantage: 2Initiated exchanges: 2Missed tactics: 2Backward pawn: 1Sacrificed material: 1Avoided exchanges: 1
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Openings

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As White 3 games 0W 0D 3L
Benoni Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
New York Variation 1 game 0W 0D 1L
Neo-Grünfeld Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Original Defense 1 game 0W 0D 1L
Slav Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 2 games 1W 0D 1L
Queen's Gambit Declined 2 games 1W 0D 1L
Exchange Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Blunders Top 4 of 23

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

2026.07.22 · 21. Rc1 (−24.5% win chance) 0-1
Prymula, Roman
Machacek, Ondrej
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2026.07.22 · 10. Bxd6 (−23% win chance) 0-1
Prymula, Roman
Machacek, Ondrej
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2026.08.22 · 24... bxc5 (−20.9% win chance) 0-1
Machacek, Ondrej
Kubala, Karel
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2026.08.22 · 36... a6 (−20.1% win chance) 1-0
Machacek, Ondrej
Plischki, Sebastian
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View blunders & mistakes
Games Showing all 5 games
Date Event Round Color Opponent Result Accuracy % First moves