Prepare against Jan Dedek
Czechia · World #11,192 classical · FIDE ID 23719907
Our database contains 46 games by Jan Dedek, covering Nov 2018 to Jul 2026. Below you'll find Jan Dedek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Dedek 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 | 2,152 | 2,155 | Mar 2026 |
| Blitz | 1,915 | 1,916 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 46 | 13 | 16 | 17 | 28.3% |
| As White | 19 | 4 | 7 | 8 | 21.1% |
| As Black | 27 | 9 | 9 | 9 | 33.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Dedek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Dedek's side.
First moves as White (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 14 | 73.7% | 50.0% |
| e4 | 3 | 15.8% | 16.7% |
| Nf3 | 2 | 10.5% | 0.0% |
Main lines as White
- 1.d4 — 74% of White games, 50.0% score
- …Nf6 (64% of these games) — Dedek usually continues c4 (43.8% score)
- …d5 (29% of these games) — Dedek usually continues c4 (62.5% score)
- …b6 (7% of these games) — Dedek usually continues e4 (0.0% score)
- 1.e4 — 16% of White games, 16.7% score
- …d5 (33% of these games) — Dedek usually continues exd5 (0.0% score)
- …e5 (33% of these games) — Dedek usually continues Nf3 (0.0% score)
- …e6 (33% of these games) — Dedek usually continues d4 (50.0% score)
As Black against 1.e4 (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 13 | 76.5% | 65.4% |
| c5 | 4 | 23.5% | 50.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 50.0% | 37.5% |
| d5 | 4 | 50.0% | 37.5% |
Jan Dedek's chess games
All 46 games by Jan Dedek in the Chess.ceo database (Nov 2018 - 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: 13 wins, 16 draws, 17 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E16 | Queen's Indian Defense | 4 | 0/3/1 | 0.0% |
| D35 | Indian Defense | 3 | 2/0/1 | 66.7% |
| B00 | English Defense | 1 | 0/0/1 | 0.0% |
| C10 | French: Tarrasch Variation | 1 | 0/1/0 | 0.0% |
| C50 | Italian Game: Giuoco Pianissimo | 1 | 0/0/1 | 0.0% |
| E65 | King's Indian Defense | 1 | 0/1/0 | 0.0% |
| D07 | Queen's Gambit | 1 | 0/0/1 | 0.0% |
| D37 | Queen's Gambit Declined | 1 | 0/1/0 | 0.0% |
| A53 | Rat Defense | 1 | 0/0/1 | 0.0% |
| A49 | Réti Opening: Symmetrical Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D94 | Caro-Kann: Exchange Variation | 3 | 2/1/0 | 66.7% |
| B12 | Caro-Kann: Advance Variation | 3 | 1/1/1 | 33.3% |
| D13 | Slav Defense | 3 | 1/1/1 | 33.3% |
| B11 | Caro-Kann: Two Knights Variation | 2 | 0/1/1 | 0.0% |
| B12 | Caro-Kann: Fantasy Variation | 2 | 2/0/0 | 100.0% |
| B17 | Caro-Kann: Karpov Variation | 2 | 0/2/0 | 0.0% |
| B22 | Sicilian | 2 | 1/1/0 | 50.0% |
| B33 | Sicilian: Sveshnikov | 1 | 0/0/1 | 0.0% |
| B49 | Sicilian: Taimanov | 1 | 0/1/0 | 0.0% |
| D94 | Benoni Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2023 | Martin Poslusny | 1,946 | chT2D-CZE 2223 | D13 |
| Nov 2022 | Josef Pinkava | 1,894 | chT-Hradec Kralove Region 2223 | D30 |
| Feb 2022 | Jaroslav Hajek | 1,889 | chT2D-CZE 2122 | A61 |
| Feb 2023 | Tomas Mik | 1,878 | chT2D-CZE 2223 | B12 |
| Dec 2022 | Michal Duriancik | 1,873 | chT2D-CZE 2223 | D94 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-CZE U16 | 2022 | 17 | 9 | 1,803 |
| chT-Hradec Kralove Region 2223 | 2023 | 10 | 6 | 1,894 |
| chT2D-CZE 2223 | 2023 | 6 | 3.5 | 2,009 |
| ch-CZE Juniors FIDE Open | 2020 | 6 | 1 | 1,570 |
| 31st Pardubice Czech Open A | 2020 | 2 | 0 | 1,822 |
| chT2D-CZE 2122 | 2022 | 2 | 1.5 | 2,086 |
| 7th Prague Summer Open | 2020 | 1 | 0 | 1,939 |
| Pardubice Czech Open B 32nd | 2021 | 1 | 0 | 1,602 |
Interactive opening tree from all 46 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Dedek's chess games?
46 games by Jan Dedek, from Nov 2018 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 Jan Dedek has played.
What does Jan Dedek play on the first move as White?
Across 19 games with White in our database, Jan Dedek opens with 1.d4 (74% of games), 1.e4 (16% of games), 1.Nf3 (11% of games). Against 1.e4 as Black, Jan Dedek answers 1...c6 (76% of games), 1...c5 (24% of games). Against 1.d4: 1...Nf6 (50% of games), 1...d5 (50% of games).
What openings does Jan Dedek play as White?
As White, Jan Dedek's most-played openings in our database are: Queen's Indian Defense (4 games, 0.0% win rate); Indian Defense (3 games, 66.7% win rate); English Defense (1 games, 0.0% win rate). The full breakdown of 19 games with White is in the table above.
What openings does Jan Dedek play as Black?
As Black, Jan Dedek most often plays: Caro-Kann: Exchange Variation (3 games, 66.7% win rate); Caro-Kann: Advance Variation (3 games, 33.3% win rate); Slav Defense (3 games, 33.3% win rate). See the table above for the top ten Black openings across 27 games.
What is Jan Dedek's FIDE rating?
Jan Dedek is currently rated 2,152 in classical chess and 1,915 in blitz. Peak classical rating: 2,155 (Mar 2026).
How many games has Jan Dedek played?
Our database contains 46 games by Jan Dedek, covering Nov 2018 to Jul 2026. Overall record: 13 wins, 16 draws, 17 losses (28.3% win rate).
How do I prepare against Jan Dedek?
46 games by Jan Dedek 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.