Prepare against Jan Kastner
Czechia · World #32,558 classical · FIDE ID 319538
When preparing against Jan Kastner, expect 1.d4 in 73% of White games. Against 1.e4 the reply is 1...c6 (56% of games); against 1.d4, 1...d5 (63%).
Our database contains 55 games by Jan Kastner, covering Mar 2010 to Jul 2026. Below you'll find Jan Kastner's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Kastner 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 | 1,971 | 2,016 | Jul 2025 |
| Rapid | 1,953 | 1,996 | Jun 2023 |
| Blitz | 1,913 | 1,993 | Sep 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 55 | 29 | 11 | 15 | 52.7% |
| As White | 26 | 14 | 4 | 8 | 53.8% |
| As Black | 29 | 15 | 7 | 7 | 51.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Kastner's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Kastner's side.
First moves as White (26 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 19 | 73.1% | 65.8% |
| e4 | 7 | 26.9% | 50.0% |
Main lines as White
- 1.d4 — 73% of White games, 65.8% score
- …Nf6 (53% of these games) — Kastner usually continues Nf3 (62.5% score)
- …d5 (37% of these games) — Kastner usually continues Nf3 (78.6% score)
- …e5 (5% of these games) — Kastner usually continues c3 (100.0% score)
- 1.e4 — 27% of White games, 50.0% score
- …c5 (43% of these games) — Kastner usually continues Nf3 (50.0% score)
- …d5 (14% of these games) — Kastner usually continues exd5 (50.0% score)
- …Nc6 (14% of these games) — Kastner usually continues Nc3 (100.0% score)
As Black against 1.e4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 9 | 56.3% | 77.8% |
| e6 | 4 | 25.0% | 62.5% |
| c5 | 2 | 12.5% | 50.0% |
| d6 | 1 | 6.3% | 100.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 5 | 62.5% | 50.0% |
| Nf6 | 3 | 37.5% | 50.0% |
Jan Kastner's chess games
All 55 games by Jan Kastner in the Chess.ceo database (Mar 2010 - 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: 29 wins, 11 draws, 15 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 8 | 5/1/2 | 62.5% |
| D02 | Queen's Pawn Game | 4 | 3/0/1 | 75.0% |
| A46 | Indian Defense | 3 | 2/1/0 | 66.7% |
| D04 | King's Indian Defense | 1 | 0/0/1 | 0.0% |
| B09 | Modern Defense | 1 | 1/0/0 | 100.0% |
| B00 | Nimzowitsch Defense | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/1/0 | 0.0% |
| B40 | Sicilian | 1 | 0/0/1 | 0.0% |
| B50 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| B76 | Sicilian: Dragon | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B13 | Caro-Kann: Exchange Variation | 4 | 2/1/1 | 50.0% |
| C02 | French: Advance Variation | 2 | 1/1/0 | 50.0% |
| D02 | London System | 2 | 2/0/0 | 100.0% |
| D36 | Indian Defense | 2 | 1/1/0 | 50.0% |
| E04 | Catalan | 2 | 0/1/1 | 0.0% |
| B19 | Caro-Kann: Classical | 2 | 2/0/0 | 100.0% |
| B12 | Caro-Kann: Advance Variation | 2 | 2/0/0 | 100.0% |
| A00 | Mieses Opening | 1 | 1/0/0 | 100.0% |
| B08 | Pirc Defense | 1 | 1/0/0 | 100.0% |
| A00 | Réti Opening | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2008 | Vaclav Ksana | 2,094 | 3rd Teplice Open | B00 |
| Jun 2023 | Adam Spirek | 1,974 | Prague Golden Open 18th | B12 |
| Jul 2018 | Jiri Danko | 1,954 | 24th Klatovy Open B | D02 |
| Oct 2022 | Tomas Vavrinec | 1,905 | chT-Mid Bohemia Region 2223 | A13 |
| Apr 2023 | Milan Holub | 1,904 | chT-Mid Bohemia Region 2223 | D02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 3rd Teplice Open | 2008 | 9 | 4 | 1,874 |
| Prague Golden Open 18th | 2023 | 9 | 7 | 1,803 |
| 24th Klatovy Open B | 2018 | 9 | 7.5 | 2,010 |
| 20th Marianske Lazne Open | 2022 | 8 | 4 | 1,930 |
| 22nd Klatovy Open B | 2016 | 7 | 6 | 1,982 |
| chT-Mid Bohemia Region 2223 | 2023 | 5 | 3.5 | 2,049 |
| 8th Prague Summer Open A | 2021 | 3 | 0.5 | 1,956 |
| Hradec Kralove Open | 2010 | 1 | 0 | 1,954 |
Interactive opening tree from all 55 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Kastner's chess games?
55 games by Jan Kastner, from Mar 2010 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 Kastner has played.
What does Jan Kastner play on the first move as White?
Across 26 games with White in our database, Jan Kastner opens with 1.d4 (73% of games), 1.e4 (27% of games). Against 1.e4 as Black, Jan Kastner answers 1...c6 (56% of games), 1...e6 (25% of games), 1...c5 (13% of games). Against 1.d4: 1...d5 (63% of games), 1...Nf6 (38% of games).
What openings does Jan Kastner play as White?
As White, Jan Kastner's most-played openings in our database are: London System (8 games, 62.5% win rate); Queen's Pawn Game (4 games, 75.0% win rate); Indian Defense (3 games, 66.7% win rate). The full breakdown of 26 games with White is in the table above.
What openings does Jan Kastner play as Black?
As Black, Jan Kastner most often plays: Caro-Kann: Exchange Variation (4 games, 50.0% win rate); French: Advance Variation (2 games, 50.0% win rate); London System (2 games, 100.0% win rate). See the table above for the top ten Black openings across 29 games.
What is Jan Kastner's FIDE rating?
Jan Kastner is currently rated 1,971 in classical chess, 1,953 in rapid and 1,913 in blitz. Peak classical rating: 2,016 (Jul 2025).
How many games has Jan Kastner played?
Our database contains 55 games by Jan Kastner, covering Mar 2010 to Jul 2026. Overall record: 29 wins, 11 draws, 15 losses (52.7% win rate).
How do I prepare against Jan Kastner?
55 games by Jan Kastner 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.