Prepare against Ondrej Prazak
Czechia · World #18,710 classical · FIDE ID 322210
Our database contains 161 games by Ondrej Prazak, covering Oct 2003 to Jul 2026. Below you'll find Ondrej Prazak's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ondrej Prazak before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,068 | 2,115 | Dec 2023 |
| Rapid | 2,008 | 2,073 | Sep 2016 |
| Blitz | 2,061 | 2,061 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 161 | 46 | 69 | 46 | 28.6% |
| As White | 86 | 26 | 34 | 26 | 30.2% |
| As Black | 75 | 20 | 35 | 20 | 26.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ondrej Prazak's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ondrej Prazak's side.
First moves as White (86 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 43 | 50.0% | 46.5% |
| e4 | 31 | 36.0% | 56.5% |
| Nf3 | 10 | 11.6% | 55.0% |
| c4 | 2 | 2.3% | 0.0% |
Main lines as White
- 1.d4 — 50% of White games, 46.5% score
- …Nf6 (56% of these games) — Prazak usually continues c4 (39.5% score)
- …d5 (33% of these games) — Prazak usually continues c4 (50.0% score)
- …e6 (5% of these games) — Prazak usually continues Nf3 (100.0% score)
- 1.e4 — 36% of White games, 56.5% score
- …c5 (39% of these games) — Prazak usually continues Nc3 (56.3% score)
- …e5 (23% of these games) — Prazak usually continues Nf3 (42.9% score)
- …c6 (13% of these games) — Prazak usually continues d4 (50.0% score)
As Black against 1.e4 (52 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 25 | 48.1% | 50.0% |
| c6 | 17 | 32.7% | 61.8% |
| e5 | 5 | 9.6% | 20.0% |
| d6 | 2 | 3.8% | 25.0% |
| c5 | 2 | 3.8% | 25.0% |
| d5 | 1 | 1.9% | 50.0% |
As Black against 1.d4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 10 | 71.4% | 35.0% |
| d5 | 4 | 28.6% | 62.5% |
Ondrej Prazak's chess games
All 161 games by Ondrej Prazak in the Chess.ceo database (Oct 2003 - Jul 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 46 wins, 69 draws, 46 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A47 | Indian Defense | 9 | 2/3/4 | 22.2% |
| B26 | Sicilian: Closed | 8 | 2/5/1 | 25.0% |
| D02 | Queen's Pawn Game | 6 | 2/2/2 | 33.3% |
| E86 | King's Indian: Sämisch | 4 | 0/2/2 | 0.0% |
| A39 | English Opening | 4 | 2/1/1 | 50.0% |
| D10 | Slav Defense | 4 | 0/4/0 | 0.0% |
| E00 | Catalan | 2 | 0/1/1 | 0.0% |
| E92 | King's Indian Defense: Orthodox Variation | 2 | 0/0/2 | 0.0% |
| C08 | French: Tarrasch Variation | 2 | 0/1/1 | 0.0% |
| E11 | Bogo-Indian Defense | 2 | 0/2/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C01 | French: Exchange Variation | 7 | 4/3/0 | 57.1% |
| D37 | Indian Defense | 7 | 1/4/2 | 14.3% |
| C10 | French Defense | 6 | 2/3/1 | 33.3% |
| B18 | Caro-Kann: Classical | 5 | 2/2/1 | 40.0% |
| C02 | French: Advance Variation | 5 | 1/2/2 | 20.0% |
| C10 | French: Tarrasch Variation | 4 | 0/1/3 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 3 | 1/1/1 | 33.3% |
| B12 | Caro-Kann: Advance Variation | 3 | 2/0/1 | 66.7% |
| C00 | King's Indian Attack | 3 | 0/2/1 | 0.0% |
| A13 | English Opening | 2 | 2/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2000 | Josef Beran | 2,265 | Schneider Bohemia Open C | D51 |
| Jul 2005 | Martin Tupy | 2,248 | Klatovy Open A | A26 |
| Dec 2021 | Marcel Bednar | 2,246 | chT2C-CZE 2122 | B29 |
| Apr 2022 | Lukas Jandourek | 2,158 | chT2C-CZE 2122 | B13 |
| Oct 2003 | Martin Handl | 2,090 | Liberec Open | C10 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Klatovy Open A | 2005 | 35 | 14.5 | 2,023 |
| Klatovy Open B | 2001 | 18 | 10.5 | 1,845 |
| chT2C-CZE 2122 | 2022 | 11 | 6 | 2,190 |
| chT-Liberec Region 2223 | 2023 | 10 | 6.5 | 2,070 |
| ch-CZE Ma U14 | 1998 | 9 | 4.5 | 2,235 |
| ch-Czech U16 | 2000 | 9 | 4.5 | 1,625 |
| ch-CZE U18 | 2001 | 9 | 5 | 1,957 |
| ch-CZE U16 | 1999 | 9 | 4 | 1,660 |
Interactive opening tree from all 161 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ondrej Prazak's chess games?
161 games by Ondrej Prazak, from Oct 2003 to Jul 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Ondrej Prazak has played.
What does Ondrej Prazak play on the first move as White?
Across 86 games with White in our database, Ondrej Prazak opens with 1.d4 (50% of games), 1.e4 (36% of games), 1.Nf3 (12% of games). Against 1.e4 as Black, Ondrej Prazak answers 1...e6 (48% of games), 1...c6 (33% of games), 1...e5 (10% of games). Against 1.d4: 1...Nf6 (71% of games), 1...d5 (29% of games).
What openings does Ondrej Prazak play as White?
As White, Ondrej Prazak's most-played openings in our database are: Indian Defense (9 games, 22.2% win rate); Sicilian: Closed (8 games, 25.0% win rate); Queen's Pawn Game (6 games, 33.3% win rate). The full breakdown of 86 games with White is in the table above.
What openings does Ondrej Prazak play as Black?
As Black, Ondrej Prazak most often plays: French: Exchange Variation (7 games, 57.1% win rate); Indian Defense (7 games, 14.3% win rate); French Defense (6 games, 33.3% win rate). See the table above for the top ten Black openings across 75 games.
What is Ondrej Prazak's FIDE rating?
Ondrej Prazak is currently rated 2,068 in classical chess, 2,008 in rapid and 2,061 in blitz. Peak classical rating: 2,115 (Dec 2023).
How many games has Ondrej Prazak played?
Our database contains 161 games by Ondrej Prazak, covering Oct 2003 to Jul 2026. Overall record: 46 wins, 69 draws, 46 losses (28.6% win rate).
How do I prepare against Ondrej Prazak?
161 games by Ondrej Prazak reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.