Prepare against Ondrej Vraj
Czechia · World #43,815 classical · FIDE ID 374644
Our database contains 123 games by Ondrej Vraj, covering Sep 2013 to Jul 2026. Below you'll find Ondrej Vraj's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ondrej Vraj 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 | 1,918 | 2,045 | Oct 2020 |
| Rapid | 1,882 | 1,939 | May 2025 |
| Blitz | 1,945 | 1,945 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 123 | 40 | 34 | 49 | 32.5% |
| As White | 60 | 25 | 20 | 15 | 41.7% |
| As Black | 63 | 15 | 14 | 34 | 23.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ondrej Vraj's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ondrej Vraj's side.
First moves as White (60 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 57 | 95.0% | 56.1% |
| c4 | 2 | 3.3% | 100.0% |
| g3 | 1 | 1.7% | 100.0% |
Main lines as White
- 1.e4 — 95% of White games, 56.1% score
- …c5 (39% of these games) — Vraj usually continues Nf3 (50.0% score)
- …e5 (26% of these games) — Vraj usually continues Nf3 (60.0% score)
- …e6 (14% of these games) — Vraj usually continues Nc3 (71.4% score)
- 1.c4 — 3% of White games, 100.0% score
- …e5 (50% of these games) — Vraj usually continues Nc3 (100.0% score)
- …c5 (50% of these games) — Vraj usually continues Nc3 (100.0% score)
As Black against 1.e4 (37 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 27 | 73.0% | 38.9% |
| c6 | 6 | 16.2% | 25.0% |
| e5 | 4 | 10.8% | 37.5% |
As Black against 1.d4 (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 17 | 89.5% | 32.4% |
| f5 | 1 | 5.3% | 100.0% |
| Nf6 | 1 | 5.3% | 50.0% |
Ondrej Vraj's chess games
All 123 games by Ondrej Vraj in the Chess.ceo database (Sep 2013 - 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: 40 wins, 34 draws, 49 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B13 | Caro-Kann: Exchange Variation | 8 | 2/4/2 | 25.0% |
| A04 | Sicilian | 8 | 2/4/2 | 25.0% |
| B24 | French Defense | 6 | 3/2/1 | 50.0% |
| B92 | Sicilian: Najdorf | 6 | 2/2/2 | 33.3% |
| B76 | Sicilian: Dragon | 5 | 1/4/0 | 20.0% |
| C54 | Italian Game: Classical Variation | 4 | 3/0/1 | 75.0% |
| C50 | Italian Game | 3 | 2/1/0 | 66.7% |
| A04 | Sicilian: Closed | 3 | 1/1/1 | 33.3% |
| A42 | Pirc Defense | 2 | 1/0/1 | 50.0% |
| C55 | Four Knights Game: Italian Variation | 2 | 1/0/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 27 | 8/5/14 | 29.6% |
| D35 | Indian Defense | 10 | 1/3/6 | 10.0% |
| B12 | Caro-Kann: Advance Variation | 3 | 0/0/3 | 0.0% |
| D11 | Slav Defense | 2 | 0/0/2 | 0.0% |
| A03 | Nimzovich-Larsen attack | 2 | 0/0/2 | 0.0% |
| D34 | Catalan | 2 | 1/1/0 | 50.0% |
| D02 | London System | 2 | 0/1/1 | 0.0% |
| A86 | Dutch Defense | 1 | 1/0/0 | 100.0% |
| D05 | Colle System | 1 | 1/0/0 | 100.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2020 | Vaclav Zidek | 2,193 | chT1E-CZE 1920 | D34 |
| Jul 2018 | Jakub Vojta | 2,124 | 43rd Vsetin Open | B13 |
| Oct 2022 | Radim Vratny | 2,088 | chT-Zlin Region 2223 | B01 |
| Nov 2022 | Robert Staufcik | 2,068 | chT-Zlin Region 2223 | C54 |
| Dec 2022 | Milan Valek | 1,955 | chT2F-CZE 2223 | B24 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Kouty nad Desnou Open B | 2017 | 16 | 12 | 1,781 |
| chT-Zlin Region 2223 | 2023 | 10 | 3.5 | 1,919 |
| ch-EU U10 | 2012 | 9 | 3.5 | 1,515 |
| ch-Morava U16 | 2017 | 9 | 6 | 1,792 |
| ch-CZE U10 | 2012 | 9 | 4 | 1,275 |
| 43rd Vsetin Open | 2018 | 9 | 4.5 | 2,114 |
| ch-CZE U12 | 2014 | 9 | 4 | 1,513 |
| Vsetin Open | 2017 | 9 | 4 | 2,030 |
Interactive opening tree from all 123 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ondrej Vraj's chess games?
123 games by Ondrej Vraj, from Sep 2013 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 Vraj has played.
What does Ondrej Vraj play on the first move as White?
Across 60 games with White in our database, Ondrej Vraj opens with 1.e4 (95% of games), 1.c4 (3% of games), 1.g3 (2% of games). Against 1.e4 as Black, Ondrej Vraj answers 1...d5 (73% of games), 1...c6 (16% of games), 1...e5 (11% of games). Against 1.d4: 1...d5 (89% of games), 1...f5 (5% of games), 1...Nf6 (5% of games).
What openings does Ondrej Vraj play as White?
As White, Ondrej Vraj's most-played openings in our database are: Caro-Kann: Exchange Variation (8 games, 25.0% win rate); Sicilian (8 games, 25.0% win rate); French Defense (6 games, 50.0% win rate). The full breakdown of 60 games with White is in the table above.
What openings does Ondrej Vraj play as Black?
As Black, Ondrej Vraj most often plays: Scandinavian Defense: Main Line (27 games, 29.6% win rate); Indian Defense (10 games, 10.0% win rate); Caro-Kann: Advance Variation (3 games, 0.0% win rate). See the table above for the top ten Black openings across 63 games.
What is Ondrej Vraj's FIDE rating?
Ondrej Vraj is currently rated 1,918 in classical chess, 1,882 in rapid and 1,945 in blitz. Peak classical rating: 2,045 (Oct 2020).
How many games has Ondrej Vraj played?
Our database contains 123 games by Ondrej Vraj, covering Sep 2013 to Jul 2026. Overall record: 40 wins, 34 draws, 49 losses (32.5% win rate).
How do I prepare against Ondrej Vraj?
123 games by Ondrej Vraj 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.