Prepare against Jan Mostek
Czechia · World #32,560 classical · FIDE ID 350532
When preparing against Jan Mostek, expect 1.d4 in 89% of White games. Against 1.e4 the reply is 1...e6 (95% of games); against 1.d4, 1...Nf6 (67%). Lowest win rate among frequent openings: London System as White, 45.8% over 24 games.
Our database contains 83 games by Jan Mostek, covering Sep 2010 to Jul 2026. Below you'll find Jan Mostek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Mostek 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 | 1,999 | Feb 2025 |
| Rapid | 1,904 | 1,913 | Jun 2022 |
| Blitz | 1,903 | 1,903 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 83 | 25 | 29 | 29 | 30.1% |
| As White | 46 | 18 | 14 | 14 | 39.1% |
| As Black | 37 | 7 | 15 | 15 | 18.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Mostek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Mostek's side.
First moves as White (46 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 41 | 89.1% | 56.1% |
| e4 | 5 | 10.9% | 40.0% |
Main lines as White
- 1.d4 — 89% of White games, 56.1% score
- …Nf6 (49% of these games) — Mostek usually continues Nf3 (35.7% score)
- …d5 (41% of these games) — Mostek usually continues Bf4 (64.7% score)
- …e6 (5% of these games) — Mostek usually continues Bf4 (100.0% score)
- 1.e4 — 11% of White games, 40.0% score
- …e6 (60% of these games) — Mostek usually continues d4 (33.3% score)
- …c5 (40% of these games) — Mostek usually continues Nc3 (50.0% score)
As Black against 1.e4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 20 | 95.2% | 47.5% |
| c6 | 1 | 4.8% | 0.0% |
As Black against 1.d4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 8 | 66.7% | 25.0% |
| d5 | 2 | 16.7% | 25.0% |
| e6 | 2 | 16.7% | 50.0% |
Jan Mostek's chess games
All 83 games by Jan Mostek in the Chess.ceo database (Sep 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: 25 wins, 29 draws, 29 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 24 | 11/8/5 | 45.8% |
| D02 | Indian Defense | 8 | 1/4/3 | 12.5% |
| A48 | Torre Attack | 5 | 2/0/3 | 40.0% |
| C01 | French: Exchange Variation | 3 | 1/0/2 | 33.3% |
| A40 | Horwitz Defense | 2 | 2/0/0 | 100.0% |
| B23 | Sicilian: Closed | 2 | 1/0/1 | 50.0% |
| A41 | Rat Defense | 1 | 0/1/0 | 0.0% |
| A80 | Dutch Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C08 | French: Tarrasch Variation | 6 | 2/2/2 | 33.3% |
| C00 | King's Indian Attack | 5 | 2/0/3 | 40.0% |
| D85 | Grünfeld Defense | 4 | 1/1/2 | 25.0% |
| D02 | Indian Defense | 3 | 0/1/2 | 0.0% |
| C02 | French: Advance Variation | 3 | 0/2/1 | 0.0% |
| C00 | French Defense | 2 | 1/1/0 | 50.0% |
| C01 | French: Exchange Variation | 2 | 1/1/0 | 50.0% |
| E05 | Catalan | 2 | 0/1/1 | 0.0% |
| C16 | French: Winawer Variation | 2 | 0/1/1 | 0.0% |
| D36 | English Opening | 2 | 0/2/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2021 | Petr Kapusta | 2,145 | Stare Mesto Open | D03 |
| Dec 2021 | Pavel Dvoulety | 2,113 | chT2E-CZE 2122 | C00 |
| Nov 2021 | Tomas Lakatos | 2,109 | chT2E-CZE 2122 | D02 |
| Jul 2018 | David Zvolensky | 2,040 | 43rd Vsetin Open | A45 |
| Aug 2023 | Tomas Hanak | 2,036 | Stare Mesto Open | C01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Stare Mesto Open | 2023 | 21 | 10.5 | 2,008 |
| 43rd Vsetin Open | 2018 | 9 | 4.5 | 2,060 |
| chT2E-CZE 2122 | 2022 | 9 | 5 | 2,093 |
| chT-Zlin Region 2223 | 2023 | 9 | 6 | 2,018 |
| Vsetin Open | 2017 | 8 | 2.5 | 1,820 |
| chT1E-CZE 2324 | 2024 | 6 | 3 | 2,124 |
| chT2E-CZE 1718 | 2018 | 6 | 3 | 2,015 |
| chT-Zlin Region 2324 | 2024 | 5 | 2 | 1,853 |
Interactive opening tree from all 83 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Mostek's chess games?
83 games by Jan Mostek, from Sep 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 Mostek has played.
What does Jan Mostek play on the first move as White?
Across 46 games with White in our database, Jan Mostek opens with 1.d4 (89% of games), 1.e4 (11% of games). Against 1.e4 as Black, Jan Mostek answers 1...e6 (95% of games), 1...c6 (5% of games). Against 1.d4: 1...Nf6 (67% of games), 1...d5 (17% of games), 1...e6 (17% of games).
What openings does Jan Mostek play as White?
As White, Jan Mostek's most-played openings in our database are: London System (24 games, 45.8% win rate); Indian Defense (8 games, 12.5% win rate); Torre Attack (5 games, 40.0% win rate). The full breakdown of 46 games with White is in the table above.
What openings does Jan Mostek play as Black?
As Black, Jan Mostek most often plays: French: Tarrasch Variation (6 games, 33.3% win rate); King's Indian Attack (5 games, 40.0% win rate); Grünfeld Defense (4 games, 25.0% win rate). See the table above for the top ten Black openings across 37 games.
What is Jan Mostek's FIDE rating?
Jan Mostek is currently rated 1,971 in classical chess, 1,904 in rapid and 1,903 in blitz. Peak classical rating: 1,999 (Feb 2025).
How many games has Jan Mostek played?
Our database contains 83 games by Jan Mostek, covering Sep 2010 to Jul 2026. Overall record: 25 wins, 29 draws, 29 losses (30.1% win rate).
How do I prepare against Jan Mostek?
83 games by Jan Mostek 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.