Prepare against Jan Bjolek
Czechia · World #30,105 classical · FIDE ID 23725800
When preparing against Jan Bjolek, expect 1.d4 in 96% of White games. Against 1.e4 the reply is 1...e6 (100% of games); against 1.d4, 1...e6 (67%). Lowest win rate among frequent openings: London System as White, 43.8% over 16 games.
Our database contains 51 games by Jan Bjolek, covering May 2018 to Oct 2026. Below you'll find Jan Bjolek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Bjolek 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 | 1,989 | 2,040 | Jan 2026 |
| Rapid | 1,991 | 2,002 | Sep 2026 |
| Blitz | 1,899 | 1,899 | Oct 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 51 | 20 | 15 | 16 | 39.2% |
| As White | 26 | 14 | 4 | 8 | 53.8% |
| As Black | 25 | 6 | 11 | 8 | 24.0% |
FIDE rated record
From FIDE's official rated-game ledger (2018-2026): 733 rated games against 498 different opponents, across 156 events in 2 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 385 | 156 | 128 | 101 | 40.5% | 1,771 | 1,825 | 18 |
| Rapid | 249 | 135 | 38 | 76 | 54.2% | 1,777 | 1,865 | 9 |
| Blitz | 99 | 49 | 8 | 42 | 49.5% | 1,790 | 1,794 | 6 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 327 | 73 | 83 | 171 | 22.3% |
| Against lower-rated | 373 | 247 | 83 | 43 | 66.2% |
Wins over titled players: 1 vs IM · 7 vs FM · 5 vs CM · 1 vs WFM · 3 vs WCM.
Tournament wins
4 tournament wins from 91 events, 2 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 88 | 45 | 15 | 28 | 1,917 | 1,995 |
| 2025 | 158 | 84 | 31 | 43 | 1,883 | 1,983 |
| 2024 | 145 | 69 | 36 | 40 | 1,816 | 1,896 |
| 2023 | 184 | 76 | 51 | 57 | 1,745 | 1,780 |
| 2022 | 53 | 27 | 7 | 19 | 1,696 | 1,704 |
| 2021 | 11 | 4 | 4 | 3 | 1,497 | 1,533 |
| 2020 | 2 | 0 | 2 | 0 | 1,415 | 1,415 |
| 2019 | 50 | 19 | 17 | 14 | 1,543 | 1,578 |
| 2018 | 42 | 16 | 11 | 15 | 1,484 | 1,474 |
Where Jan Bjolek has played
Czechia (155) · Slovakia (1)
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Bjolek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Bjolek's side.
First moves as White (26 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 25 | 96.2% | 60.0% |
| f4 | 1 | 3.8% | 100.0% |
Main lines as White
- 1.d4 — 96% of White games, 60.0% score
- …Nf6 (60% of these games) — Bjolek usually continues Bf4 (60.0% score)
- …d5 (24% of these games) — Bjolek usually continues Bf4 (33.3% score)
- …c5 (8% of these games) — Bjolek usually continues d5 (100.0% score)
- 1.f4 — 4% of White games, 100.0% score
- …d5 (100% of these games) — Bjolek usually continues b3 (100.0% score)
As Black against 1.e4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 9 | 100.0% | 44.4% |
As Black against 1.d4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 4 | 66.7% | 37.5% |
| Nf6 | 1 | 16.7% | 100.0% |
| d6 | 1 | 16.7% | 50.0% |
Jan Bjolek's chess games
All 51 games by Jan Bjolek in the Chess.ceo database (May 2018 - Oct 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: 20 wins, 15 draws, 16 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D00 | London System | 16 | 7/2/7 | 43.8% |
| D04 | Colle System | 3 | 2/0/1 | 66.7% |
| A43 | Benoni Defense | 2 | 2/0/0 | 100.0% |
| A80 | Dutch Defense | 1 | 1/0/0 | 100.0% |
| D05 | Horwitz Defense | 1 | 0/1/0 | 0.0% |
| D05 | Indian Defense | 1 | 0/1/0 | 0.0% |
| D02 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
| A03 | Bird's opening | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A84 | Horwitz Defense | 4 | 0/3/1 | 0.0% |
| A10 | English Opening: Dutch Defense | 4 | 0/1/3 | 0.0% |
| C02 | French: Advance Variation | 2 | 0/1/1 | 0.0% |
| C00 | French Defense | 2 | 0/2/0 | 0.0% |
| A10 | English Opening | 2 | 1/1/0 | 50.0% |
| C17 | French: Winawer Variation | 2 | 0/1/1 | 0.0% |
| E61 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
| A01 | Nimzovich-Larsen attack | 1 | 1/0/0 | 100.0% |
| E09 | Catalan | 1 | 0/0/1 | 0.0% |
| A41 | Rat Defense | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2025 | Stepan Seidl | 2,126 | chT-CZE 1 Liga Vychod | A45 |
| Aug 2026 | Milan Borkovec | 2,119 | Chess Slovak Open Skalica 2026 | Rapid | C00 |
| Jan 2026 | Rostislav Kubos | 2,080 | chT-CZE 1 Liga Vychod | A13 |
| Jul 2026 | Katarzyna Krajewska | 1,966 | 9th Bohumin Open 2026 | A45 |
| Jul 2026 | Oskar Gresek | 1,966 | 9th Bohumin Open 2026 | D00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 7th Bohumin Open B | 2024 | 9 | 5.5 | 1,811 |
| 6th Bohumin Open B | 2023 | 8 | 6 | 1,771 |
| 9th Bohumin Open 2026 | 2026 | 8 | 3 | 1,902 |
| Chess Slovak Open Skalica 2026 | Rapid | 2026 | 6 | 3.5 | 2,131 |
| Chess Slovak Open Skalica 2026 | Open B | 2026 | 6 | 5.5 | 2,135 |
| chT-CZE 1 Liga Vychod | 2026 | 6 | 2.5 | 2,029 |
| chT1E-CZE 2223 | 2023 | 4 | 1 | 1,955 |
| Czech Rapid Youth Championship 2026 | U20 | 2026 | 2 | 0 | 1,627 |
Interactive opening tree from all 51 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Bjolek's chess games?
51 games by Jan Bjolek, from May 2018 to Oct 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 Bjolek has played.
What does Jan Bjolek play on the first move as White?
Across 26 games with White in our database, Jan Bjolek opens with 1.d4 (96% of games), 1.f4 (4% of games). Against 1.e4 as Black, Jan Bjolek answers 1...e6 (100% of games). Against 1.d4: 1...e6 (67% of games), 1...Nf6 (17% of games), 1...d6 (17% of games).
What openings does Jan Bjolek play as White?
As White, Jan Bjolek's most-played openings in our database are: London System (16 games, 43.8% win rate); Colle System (3 games, 66.7% win rate); Benoni Defense (2 games, 100.0% win rate). The full breakdown of 26 games with White is in the table above.
What openings does Jan Bjolek play as Black?
As Black, Jan Bjolek most often plays: Horwitz Defense (4 games, 0.0% win rate); English Opening: Dutch Defense (4 games, 0.0% win rate); French: Advance Variation (2 games, 0.0% win rate). See the table above for the top ten Black openings across 25 games.
What is Jan Bjolek's FIDE rating?
Jan Bjolek is currently rated 1,989 in classical chess, 1,991 in rapid and 1,899 in blitz. Peak classical rating: 2,040 (Jan 2026).
How many games has Jan Bjolek played?
Our database contains 51 games by Jan Bjolek, covering May 2018 to Oct 2026. Overall record: 20 wins, 15 draws, 16 losses (39.2% win rate).
How do I prepare against Jan Bjolek?
51 games by Jan Bjolek 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.