Player profile

Brstak, Ondrej

Standard: 1877 Rapid: 1892 Blitz: 0 (last updated 2026-11-02)

FIDE ID: 23702680 (view FIDE profile)

Federation: CZE Sex: M Birth Year: 1990 Age: 36

Title: — Women's title: — Other title: — FOA title: —

Games: 7 Wins: 3 (43%) Draws: 1 (14%) Losses: 3 (43%)

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Dossier

6 of 7 games analyzed.

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Openings

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As White 3 games 2W 1D 0L

Sicilian Defense 1 game 1W 0D 0L

Hyperaccelerated Dragon 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Alekhine Defense 1 game 0W 1D 0L

Scandinavian Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

King's Pawn Game 1 game 1W 0D 0L

Maróczy Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

As Black 4 games 1W 0D 3L

Queen's Gambit Declined 2 games 1W 0D 1L

Albin Countergambit 2 games 1W 0D 1L

Fianchetto Variation, Bg4 Line 1 game 0W 0D 1L

Normal Line 1 game 1W 0D 0L

Caro-Kann Defense 2 games 0W 0D 2L

Classical Variation 1 game 0W 0D 1L

Spassky Variation 1 game 0W 0D 1L

Breyer Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blunders Top 4 of 31

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

2026.05.17 · 18... Rf7 (−38.4% win chance) 0-1

Brstak, Ondrej

Benes, Jan Jeronym

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2026.05.17 · 17. hxg6 (−26.5% win chance) 1-0

Brichacek, Miroslav

Brstak, Ondrej

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2026.05.17 · 29. Rxc7 (−18.5% win chance) 1/2-1/2

Kubat, Jonas

Brstak, Ondrej

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2026.05.17 · 33. b4 (−16.1% win chance) 1/2-1/2

Kubat, Jonas

Brstak, Ondrej

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Games Showing all 7 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.05.17	Round 9: Sprenar, Petr - Brstak, Ondrej	9.4	2026.05.17 Sprenar, Petr (397164) (2256)	0	88.90%	1. d4 d5 2. c4 e5 3. dxe5 d4
2026.05.17	Round 8: Brstak, Ondrej - Brichacek, Miroslav	8.11	2026.05.17 Brichacek, Miroslav (23735635) (1812)	1	87.60%	1. e4 c5 2. Nf3 g6 3. d4 cxd4
2026.05.17	Round 7: Benes, Jan Jeronym - Brstak, Ondrej	7.12	2026.05.17 Benes, Jan Jeronym (23777745) (1661)	1	80.80%	1. d4 d5 2. c4 e5 3. dxe5 d4
2026.05.17	Round 6: Brstak, Ondrej - Kubat, Jonas	6.13	2026.05.17 Kubat, Jonas (23764830) (1642)	½	88.30%	1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5
2026.05.17	Round 5: Pazdera, Tomas - Brstak, Ondrej	5.9	2026.05.17 Pazdera, Tomas (353701) (1950)	0	-	1. e4 c6 2. d4 d5 3. Nc3 dxe4
2026.05.17	Round 4: Brstak, Ondrej - Hostasa, Petr	4.13	2026.05.17 Hostasa, Petr (359637) (1694)	1	96.30%	1. e4 e5 2. d4 d6 3. dxe5 dxe5
2026.05.17	Round 3: Hosticka, Frantisek - Brstak, Ondrej	3.8	2026.05.17 Hosticka, Frantisek (302295) (2078)	0	90.20%	1. e4 c6 2. d3 d5 3. Nd2 e5