Prepare against Ondrej Dunder
Czechia · World #39,376 classical · FIDE ID 363901
When preparing against Ondrej Dunder, expect 1.Nf3 in 78% of White games. Against 1.e4 the reply is 1...e5 (55% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 36 games by Ondrej Dunder, covering Dec 2012 to Sep 2026. Below you'll find Ondrej Dunder's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ondrej Dunder 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 | 1,938 | 1,943 | Apr 2025 |
| Rapid | 1,815 | 1,852 | Aug 2025 |
| Blitz | 1,790 | 1,862 | Jun 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 36 | 10 | 11 | 15 | 27.8% |
| As White | 18 | 6 | 4 | 8 | 33.3% |
| As Black | 18 | 4 | 7 | 7 | 22.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ondrej Dunder's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ondrej Dunder's side.
First moves as White (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 14 | 77.8% | 46.4% |
| d4 | 2 | 11.1% | 25.0% |
| e4 | 2 | 11.1% | 50.0% |
Main lines as White
- 1.Nf3 — 78% of White games, 46.4% score
- …d5 (57% of these games) — Dunder usually continues d4 (50.0% score)
- …Nf6 (36% of these games) — Dunder usually continues d4 (62.5% score)
- …c5 (7% of these games) — Dunder usually continues e3 (0.0% score)
- 1.d4 — 11% of White games, 25.0% score
- …d5 (50% of these games) — Dunder usually continues Nf3 (50.0% score)
- …g6 (50% of these games) — Dunder usually continues Nf3 (0.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 6 | 54.5% | 16.7% |
| d5 | 3 | 27.3% | 16.7% |
| Nf6 | 2 | 18.2% | 75.0% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 3 | 100.0% | 50.0% |
Ondrej Dunder's chess games
All 36 games by Ondrej Dunder in the Chess.ceo database (Dec 2012 - Sep 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: 10 wins, 11 draws, 15 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Queen's Pawn Game | 6 | 2/1/3 | 33.3% |
| A48 | King's Indian Defense | 3 | 2/0/1 | 66.7% |
| A48 | London System | 2 | 0/1/1 | 0.0% |
| A30 | Nimzo-Larsen Attack | 1 | 0/1/0 | 0.0% |
| B07 | Pirc Defense | 1 | 1/0/0 | 100.0% |
| A06 | Réti Opening | 1 | 0/0/1 | 0.0% |
| A61 | Benoni Defense | 1 | 0/1/0 | 0.0% |
| B21 | Sicilian: Smith-Morra Gambit | 1 | 0/0/1 | 0.0% |
| D05 | Colle System | 1 | 0/0/1 | 0.0% |
| D05 | Indian Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C50 | Italian Game | 2 | 1/0/1 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 0/0/2 | 0.0% |
| C30 | King's Gambit | 2 | 0/0/2 | 0.0% |
| A13 | English Opening | 2 | 2/0/0 | 100.0% |
| A03 | Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% |
| A45 | Queen's Pawn Game: Chigorin Variation | 1 | 0/1/0 | 0.0% |
| A26 | Réti Opening: Symmetrical Defense | 1 | 0/1/0 | 0.0% |
| C84 | Ruy Lopez: Morphy Defense | 1 | 0/1/0 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 0/1/0 | 0.0% |
| B02 | Alekhine Defense | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2019 | Jan Svatos | 2,232 | Ricany Open A | D04 |
| Aug 2019 | Filip Maly | 1,941 | Ricany Open A | A48 |
| Aug 2019 | Zdenek Voracek | 1,938 | Ricany Open A | D05 |
| Aug 2019 | Stanislav Toulec | 1,930 | Ricany Open A | D06 |
| Aug 2026 | Jiri Svetly | 1,814 | Ricany Open A 2026 | B07 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Ricany Open A | 2019 | 9 | 5.5 | 2,218 |
| Ricany Open A 2026 | 2026 | 8 | 4.5 | 1,918 |
| chT-CZE U20 Extraliga West 1415 | 2015 | 6 | 2.5 | 1,532 |
| ch-Czech Fed U16 | 2013 | 5 | 1.5 | 1,563 |
| chT-CZE U20 Extraliga Final B 1415 | 2015 | 4 | 1 | 1,542 |
| 21. Zlatá Praha Open 2026 | Blitz | 2026 | 2 | 0 | 1,539 |
| 15th Prague Golden Rap Open | 2019 | 1 | 0 | 1,601 |
| chT2C-CZE 2122 | 2022 | 1 | 0.5 | 2,014 |
Interactive opening tree from all 36 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ondrej Dunder's chess games?
36 games by Ondrej Dunder, from Dec 2012 to Sep 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 Dunder has played.
What does Ondrej Dunder play on the first move as White?
Across 18 games with White in our database, Ondrej Dunder opens with 1.Nf3 (78% of games), 1.d4 (11% of games), 1.e4 (11% of games). Against 1.e4 as Black, Ondrej Dunder answers 1...e5 (55% of games), 1...d5 (27% of games), 1...Nf6 (18% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Ondrej Dunder play as White?
As White, Ondrej Dunder's most-played openings in our database are: Queen's Pawn Game (6 games, 33.3% win rate); King's Indian Defense (3 games, 66.7% win rate); London System (2 games, 0.0% win rate). The full breakdown of 18 games with White is in the table above.
What openings does Ondrej Dunder play as Black?
As Black, Ondrej Dunder most often plays: Italian Game (2 games, 50.0% win rate); Scandinavian Defense: Main Line (2 games, 0.0% win rate); King's Gambit (2 games, 0.0% win rate). See the table above for the top ten Black openings across 18 games.
What is Ondrej Dunder's FIDE rating?
Ondrej Dunder is currently rated 1,938 in classical chess, 1,815 in rapid and 1,790 in blitz. Peak classical rating: 1,943 (Apr 2025).
How many games has Ondrej Dunder played?
Our database contains 36 games by Ondrej Dunder, covering Dec 2012 to Sep 2026. Overall record: 10 wins, 11 draws, 15 losses (27.8% win rate).
How do I prepare against Ondrej Dunder?
36 games by Ondrej Dunder 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.