Prepare against Krystof Jandacek
Czechia · World #23,969 classical · FIDE ID 23780800
When preparing against Krystof Jandacek, expect 1.e4 in 88% of White games. Against 1.e4 the reply is 1...e5 (43% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 30 games by Krystof Jandacek, covering Oct 2024 to Aug 2026. Below you'll find Krystof Jandacek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Krystof Jandacek 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 | 2,026 | 2,026 | Aug 2026 |
| Rapid | 1,927 | 1,927 | Aug 2026 |
| Blitz | 1,833 | 1,895 | Nov 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 30 | 10 | 9 | 11 | 33.3% |
| As White | 16 | 8 | 3 | 5 | 50.0% |
| As Black | 14 | 2 | 6 | 6 | 14.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Krystof Jandacek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Krystof Jandacek's side.
First moves as White (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 14 | 87.5% | 60.7% |
| g3 | 1 | 6.3% | 100.0% |
| d4 | 1 | 6.3% | 0.0% |
Main lines as White
- 1.e4 — 88% of White games, 60.7% score
- …c5 (43% of these games) — Jandacek usually continues a3 (58.3% score)
- …e6 (29% of these games) — Jandacek usually continues d4 (50.0% score)
- …c6 (14% of these games) — Jandacek usually continues Nf3 (50.0% score)
- 1.g3 — 6% of White games, 100.0% score
- …c5 (100% of these games) — Jandacek usually continues Bg2 (100.0% score)
As Black against 1.e4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 3 | 42.9% | 66.7% |
| d6 | 3 | 42.9% | 33.3% |
| c5 | 1 | 14.3% | 50.0% |
As Black against 1.d4 (1 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 1 | 100.0% | 0.0% |
Krystof Jandacek's chess games
All 30 games by Krystof Jandacek in the Chess.ceo database (Oct 2024 - Aug 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, 9 draws, 11 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 6 | 3/1/2 | 50.0% |
| C02 | French: Advance Variation | 3 | 1/1/1 | 33.3% |
| C26 | Vienna Game | 2 | 2/0/0 | 100.0% |
| B10 | Caro-Kann: Endgame Variation | 2 | 1/0/1 | 50.0% |
| C00 | French Defense | 1 | 0/1/0 | 0.0% |
| A73 | Benoni Defense | 1 | 0/0/1 | 0.0% |
| A08 | Réti Opening | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 3 | 1/0/2 | 33.3% |
| A15 | English Opening | 3 | 0/2/1 | 0.0% |
| A48 | King's Indian Defense | 1 | 0/0/1 | 0.0% |
| E76 | King's Indian Defense: Four Pawns Attack | 1 | 0/1/0 | 0.0% |
| E94 | King's Indian Defense: Orthodox Variation | 1 | 0/0/1 | 0.0% |
| A05 | Réti Opening: Symmetrical Defense | 1 | 0/0/1 | 0.0% |
| C80 | Ruy Lopez: Open | 1 | 0/1/0 | 0.0% |
| C22 | Center Game | 1 | 1/0/0 | 100.0% |
| B29 | Sicilian | 1 | 0/1/0 | 0.0% |
| C47 | Four Knights Game: Scotch Variation | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Rudolf Jun | 2,345 | 13th Prague Summer Open | C22 |
| Jul 2026 | Patlolla Indra Reddy | 2,098 | Ceske Budejovice Open A | B20 |
| Jun 2026 | Matej Krivka | 2,052 | Mistrovství České republiky školních týmů v šachu 2026, žáci z 6. - 9. tříd | B09 |
| Jun 2026 | Ondrej Augustyn | 1,999 | Mistrovství České republiky školních týmů v šachu 2026, žáci z 6. - 9. tříd | C28 |
| Jul 2026 | Dinmukhammed Makhanbetali | 1,979 | Ceske Budejovice Open A | C26 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Ceske Budejovice Open A | 2026 | 9 | 4.5 | 2,081 |
| Czech Youth Championship 2026 | Boys U14 | 2026 | 8 | 4 | 1,910 |
| Mistrovství České republiky školních týmů v šachu 2026, žáci z 6. - 9. tříd | 2026 | 8 | 3.5 | 1,906 |
| European Union Youth Chess Championship 2026 | U14 | 2026 | 3 | 1.5 | 1,771 |
| 13th Prague Summer Open | 2026 | 2 | 1 | 2,244 |
Interactive opening tree from all 30 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Krystof Jandacek's chess games?
30 games by Krystof Jandacek, from Oct 2024 to Aug 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 Krystof Jandacek has played.
What does Krystof Jandacek play on the first move as White?
Across 16 games with White in our database, Krystof Jandacek opens with 1.e4 (88% of games), 1.g3 (6% of games), 1.d4 (6% of games). Against 1.e4 as Black, Krystof Jandacek answers 1...e5 (43% of games), 1...d6 (43% of games), 1...c5 (14% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Krystof Jandacek play as White?
As White, Krystof Jandacek's most-played openings in our database are: Sicilian (6 games, 50.0% win rate); French: Advance Variation (3 games, 33.3% win rate); Vienna Game (2 games, 100.0% win rate). The full breakdown of 16 games with White is in the table above.
What openings does Krystof Jandacek play as Black?
As Black, Krystof Jandacek most often plays: Pirc Defense (3 games, 33.3% win rate); English Opening (3 games, 0.0% win rate); King's Indian Defense (1 games, 0.0% win rate). See the table above for the top ten Black openings across 14 games.
What is Krystof Jandacek's FIDE rating?
Krystof Jandacek is currently rated 2,026 in classical chess, 1,927 in rapid and 1,833 in blitz. Peak classical rating: 2,026 (Aug 2026).
How many games has Krystof Jandacek played?
Our database contains 30 games by Krystof Jandacek, covering Oct 2024 to Aug 2026. Overall record: 10 wins, 9 draws, 11 losses (33.3% win rate).
How do I prepare against Krystof Jandacek?
30 games by Krystof Jandacek 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.