Prepare against Ondrej Dejmal
Czechia · World #46,257 classical · FIDE ID 384100
Our database contains 48 games by Ondrej Dejmal, covering Aug 2014 to Jul 2026. Below you'll find Ondrej Dejmal's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ondrej Dejmal 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 | 1,908 | 1,911 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 48 | 11 | 14 | 23 | 22.9% |
| As White | 22 | 6 | 9 | 7 | 27.3% |
| As Black | 26 | 5 | 5 | 16 | 19.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ondrej Dejmal's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ondrej Dejmal's side.
First moves as White (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 22 | 100.0% | 47.7% |
Main lines as White
- 1.e4 — 100% of White games, 47.7% score
- …c5 (45% of these games) — Dejmal usually continues Nf3 (55.0% score)
- …e5 (27% of these games) — Dejmal usually continues Nf3 (50.0% score)
- …e6 (14% of these games) — Dejmal usually continues d4 (50.0% score)
As Black against 1.e4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 15 | 100.0% | 43.3% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 70.0% | 14.3% |
| d5 | 3 | 30.0% | 0.0% |
Ondrej Dejmal's chess games
All 48 games by Ondrej Dejmal in the Chess.ceo database (Aug 2014 - 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: 11 wins, 14 draws, 23 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B53 | Sicilian | 5 | 3/1/1 | 60.0% |
| C01 | French: Exchange Variation | 3 | 1/1/1 | 33.3% |
| C25 | Vienna Game | 2 | 0/2/0 | 0.0% |
| C54 | Italian Game: Classical Variation | 2 | 1/1/0 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 0/1/1 | 0.0% |
| B77 | Sicilian: Dragon | 2 | 0/1/1 | 0.0% |
| B75 | Sicilian: Najdorf | 2 | 1/0/1 | 50.0% |
| B35 | Sicilian: Accelerated Dragon | 1 | 0/1/0 | 0.0% |
| C42 | Petrov's Defense | 1 | 0/1/0 | 0.0% |
| C47 | Four Knights Game: Scotch Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C56 | Italian Game | 4 | 1/1/2 | 25.0% |
| D35 | Indian Defense | 3 | 0/1/2 | 0.0% |
| C84 | Ruy Lopez: Morphy Defense | 3 | 1/1/1 | 33.3% |
| C51 | Italian Game: Evans Gambit | 2 | 1/0/1 | 50.0% |
| E11 | Bogo-Indian Defense | 2 | 0/0/2 | 0.0% |
| C54 | Italian Game: Giuoco Pianissimo | 1 | 0/1/0 | 0.0% |
| E90 | King's Indian Defense: Orthodox Variation | 1 | 0/0/1 | 0.0% |
| A47 | London System | 1 | 0/0/1 | 0.0% |
| E32 | Nimzo-Indian: Classical Variation | 1 | 0/0/1 | 0.0% |
| D55 | Queen's Gambit Declined | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2020 | Jan Tuma | 1,993 | ch-CZE Juniors FIDE Open | B30 |
| Mar 2020 | Kyryl Slepov | 1,973 | ch-CZE Juniors FIDE Open | C90 |
| Mar 2017 | Kamila Nemcova | 1,945 | Kouty nad Desnou Open A | B53 |
| Mar 2015 | Martin Nehyba | 1,711 | ch-CZE U14 | B88 |
| Aug 2015 | Andrej Brnusak | 1,640 | ch-EU Union U14 | C68 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-EU Union U14 | 2016 | 18 | 6 | 1,595 |
| ch-CZE U14 | 2015 | 9 | 3 | 1,553 |
| Kouty nad Desnou Open A | 2017 | 8 | 3 | 1,768 |
| ch-CZE Juniors FIDE Open | 2020 | 7 | 3.5 | 1,955 |
| ch-Morava U16 | 2017 | 5 | 2.5 | 1,471 |
| Kouty nad Desnou Open B | 2014 | 1 | 0 | 1,464 |
Interactive opening tree from all 48 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ondrej Dejmal's chess games?
48 games by Ondrej Dejmal, from Aug 2014 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 Dejmal has played.
What does Ondrej Dejmal play on the first move as White?
Across 22 games with White in our database, Ondrej Dejmal opens with 1.e4 (100% of games). Against 1.e4 as Black, Ondrej Dejmal answers 1...e5 (100% of games). Against 1.d4: 1...Nf6 (70% of games), 1...d5 (30% of games).
What openings does Ondrej Dejmal play as White?
As White, Ondrej Dejmal's most-played openings in our database are: Sicilian (5 games, 60.0% win rate); French: Exchange Variation (3 games, 33.3% win rate); Vienna Game (2 games, 0.0% win rate). The full breakdown of 22 games with White is in the table above.
What openings does Ondrej Dejmal play as Black?
As Black, Ondrej Dejmal most often plays: Italian Game (4 games, 25.0% win rate); Indian Defense (3 games, 0.0% win rate); Ruy Lopez: Morphy Defense (3 games, 33.3% win rate). See the table above for the top ten Black openings across 26 games.
What is Ondrej Dejmal's FIDE rating?
Ondrej Dejmal is currently rated 1,908 in classical chess. Peak classical rating: 1,911 (Mar 2026).
How many games has Ondrej Dejmal played?
Our database contains 48 games by Ondrej Dejmal, covering Aug 2014 to Jul 2026. Overall record: 11 wins, 14 draws, 23 losses (22.9% win rate).
How do I prepare against Ondrej Dejmal?
48 games by Ondrej Dejmal 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.