Prepare against Jiri Josko
Czechia · World #120,980 classical · FIDE ID 336912
When preparing against Jiri Josko, expect 1.e4 in 67% of White games. Against 1.e4 the reply is 1...d5 (80% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 36 games by Jiri Josko, covering Sep 2010 to Aug 2026. Below you'll find Jiri Josko's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jiri Josko 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 | 1,670 | 1,718 | Jul 2011 |
| Rapid | 1,735 | 1,735 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 36 | 10 | 8 | 18 | 27.8% |
| As White | 18 | 6 | 4 | 8 | 33.3% |
| As Black | 18 | 4 | 4 | 10 | 22.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jiri Josko's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jiri Josko's side.
First moves as White (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 12 | 66.7% | 50.0% |
| d4 | 6 | 33.3% | 33.3% |
Main lines as White
- 1.e4 — 67% of White games, 50.0% score
- …e5 (58% of these games) — Josko usually continues Nc3 (64.3% score)
- …e6 (17% of these games) — Josko usually continues d4 (50.0% score)
- …c5 (17% of these games) — Josko usually continues Nf3 (25.0% score)
- 1.d4 — 33% of White games, 33.3% score
- …Nf6 (83% of these games) — Josko usually continues Bf4 (66.7% score)
- …c5 (17% of these games) — Josko usually continues Nf3 (0.0% score)
As Black against 1.e4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 8 | 80.0% | 43.8% |
| e5 | 2 | 20.0% | 0.0% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 100.0% | 50.0% |
Jiri Josko's chess games
All 36 games by Jiri Josko in the Chess.ceo database (Sep 2010 - 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, 8 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C29 | Vienna Game | 6 | 3/1/2 | 50.0% |
| C01 | French: Exchange Variation | 2 | 0/2/0 | 0.0% |
| D00 | Indian Defense | 2 | 1/0/1 | 50.0% |
| A45 | London System | 2 | 1/0/1 | 50.0% |
| A48 | King's Indian Defense | 1 | 0/0/1 | 0.0% |
| A43 | Benoni Defense | 1 | 0/0/1 | 0.0% |
| B00 | Pirc Defense | 1 | 0/0/1 | 0.0% |
| B43 | Sicilian | 1 | 0/1/0 | 0.0% |
| B33 | Sicilian: Sveshnikov | 1 | 0/0/1 | 0.0% |
| C50 | Italian Game | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Modern Variation | 8 | 2/3/3 | 25.0% |
| A52 | Budapest Defense | 3 | 1/1/1 | 33.3% |
| C44 | Ponziani Opening | 2 | 0/0/2 | 0.0% |
| D94 | Grünfeld Defense | 1 | 1/0/0 | 100.0% |
| A02 | Bird's opening | 1 | 0/0/1 | 0.0% |
| D03 | Torre Attack | 1 | 0/0/1 | 0.0% |
| D02 | English Opening | 1 | 0/0/1 | 0.0% |
| A28 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2014 | Pavel Blazek | 1,795 | Brno Duras Open A | C29 |
| Aug 2012 | Tomas Suchomel | 1,727 | Liberec Metalmex Open | B01 |
| Aug 2012 | Miroslav Hejduk | 1,711 | Liberec Metalmex Open | C50 |
| Jul 2014 | Jan Brychta | 1,664 | Brno Duras Open A | A52 |
| Jul 2020 | Vaclav Finek | 1,484 | Ceske Budejovice Open B | D00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Liberec Metalmex Open | 2012 | 9 | 3.5 | 1,693 |
| Brno Duras Open A | 2014 | 9 | 3 | 1,618 |
| Stare Mesto Open B | 2023 | 8 | 3 | 1,331 |
| Ceske Budejovice Open B | 2020 | 8 | 4.5 | 1,509 |
| Znojmo Open 2026 | 2026 | 1 | 0 | 1,745 |
| Znojemská Rotunda Open 2026 | Open A | 2026 | 1 | 0 | 1,607 |
Interactive opening tree from all 36 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jiri Josko's chess games?
36 games by Jiri Josko, from Sep 2010 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 Jiri Josko has played.
What does Jiri Josko play on the first move as White?
Across 18 games with White in our database, Jiri Josko opens with 1.e4 (67% of games), 1.d4 (33% of games). Against 1.e4 as Black, Jiri Josko answers 1...d5 (80% of games), 1...e5 (20% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Jiri Josko play as White?
As White, Jiri Josko's most-played openings in our database are: Vienna Game (6 games, 50.0% win rate); French: Exchange Variation (2 games, 0.0% win rate); Indian Defense (2 games, 50.0% win rate). The full breakdown of 18 games with White is in the table above.
What openings does Jiri Josko play as Black?
As Black, Jiri Josko most often plays: Scandinavian Defense: Modern Variation (8 games, 25.0% win rate); Budapest Defense (3 games, 33.3% win rate); Ponziani Opening (2 games, 0.0% win rate). See the table above for the top ten Black openings across 18 games.
What is Jiri Josko's FIDE rating?
Jiri Josko is currently rated 1,670 in classical chess, 1,735 in rapid. Peak classical rating: 1,718 (Jul 2011).
How many games has Jiri Josko played?
Our database contains 36 games by Jiri Josko, covering Sep 2010 to Aug 2026. Overall record: 10 wins, 8 draws, 18 losses (27.8% win rate).
How do I prepare against Jiri Josko?
36 games by Jiri Josko 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.