Prepare against Jaroslav Hajek
Czechia · World #65,602 classical · FIDE ID 306770
When preparing against Jaroslav Hajek, expect 1.e4 in 93% of White games. Against 1.e4 the reply is 1...c5 (32% of games); against 1.d4, 1...Nf6 (88%). Lowest win rate among frequent openings: Sicilian as White, 9.5% over 21 games.
Our database contains 250 games by Jaroslav Hajek, covering Apr 2003 to Jul 2026. Below you'll find Jaroslav Hajek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jaroslav Hajek 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 | 1,836 | 2,031 | Nov 2010 |
| Rapid | 1,936 | 1,936 | Jul 2026 |
| Blitz | 1,826 | 1,902 | Dec 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 250 | 62 | 94 | 94 | 24.8% |
| As White | 117 | 37 | 46 | 34 | 31.6% |
| As Black | 133 | 25 | 48 | 60 | 18.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jaroslav Hajek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jaroslav Hajek's side.
First moves as White (117 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 109 | 93.2% | 53.2% |
| b4 | 3 | 2.6% | 0.0% |
| c4 | 1 | 0.9% | 50.0% |
| b3 | 1 | 0.9% | 0.0% |
| g3 | 1 | 0.9% | 50.0% |
| d3 | 1 | 0.9% | 50.0% |
Main lines as White
- 1.e4 — 93% of White games, 53.2% score
- …c5 (41% of these games) — Hajek usually continues Nf3 (36.8% score)
- …e5 (25% of these games) — Hajek usually continues Nf3 (60.0% score)
- …e6 (13% of these games) — Hajek usually continues d4 (57.7% score)
- 1.b4 — 3% of White games, 0.0% score
- …e5 (33% of these games) — Hajek usually continues Bb2 (0.0% score)
- …g6 (33% of these games) — Hajek usually continues Bb2 (0.0% score)
- …e6 (33% of these games) — Hajek usually continues Bb2 (0.0% score)
As Black against 1.e4 (69 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 22 | 31.9% | 20.5% |
| Nf6 | 19 | 27.5% | 39.5% |
| d5 | 18 | 26.1% | 41.7% |
| e6 | 5 | 7.2% | 20.0% |
| e5 | 2 | 2.9% | 0.0% |
| g6 | 1 | 1.4% | 50.0% |
As Black against 1.d4 (34 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 30 | 88.2% | 46.7% |
| d5 | 2 | 5.9% | 0.0% |
| c6 | 1 | 2.9% | 0.0% |
| e6 | 1 | 2.9% | 100.0% |
Jaroslav Hajek's chess games
All 250 games by Jaroslav Hajek in the Chess.ceo database (Apr 2003 - 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: 62 wins, 94 draws, 94 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B53 | Sicilian | 21 | 2/9/10 | 9.5% |
| C68 | Ruy Lopez: Exchange | 10 | 6/3/1 | 60.0% |
| B21 | Sicilian: Grand Prix Attack | 10 | 6/3/1 | 60.0% |
| B30 | Sicilian: Rossolimo | 10 | 4/2/4 | 40.0% |
| C06 | French: Tarrasch Variation | 7 | 3/3/1 | 42.9% |
| C01 | French: Exchange Variation | 5 | 0/4/1 | 0.0% |
| C42 | Petrov's Defense | 4 | 0/1/3 | 0.0% |
| B07 | Pirc Defense | 4 | 2/1/1 | 50.0% |
| B08 | Modern Defense | 4 | 0/2/2 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 4 | 0/3/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B02 | Alekhine Defense | 19 | 3/9/7 | 15.8% |
| B01 | Scandinavian Defense: Main Line | 17 | 3/8/6 | 17.6% |
| A33 | Benoni Defense | 15 | 4/4/7 | 26.7% |
| B40 | Sicilian | 13 | 1/3/9 | 7.7% |
| A25 | English Opening: Reverse Sicilian | 11 | 2/5/4 | 18.2% |
| A33 | English Opening | 7 | 4/2/1 | 57.1% |
| D02 | Indian Defense | 7 | 1/5/1 | 14.3% |
| A09 | Réti Opening | 5 | 2/0/3 | 40.0% |
| B23 | Sicilian: Closed | 4 | 0/1/3 | 0.0% |
| B07 | Horwitz Defense | 3 | 1/0/2 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2011 | Jiri Hostinsky | 2,244 | chT2D-CZE 1011 | B01 |
| Jan 2000 | Christoph Gritsch | 2,155 | Ceske Budejovice Open | B31 |
| Jun 2010 | Mark Lyell | 2,132 | 5th Teplice Open | C48 |
| Jan 2000 | Alexander Ewald | 2,125 | Ceske Budejovice Open | B53 |
| Mar 2008 | Michal Zavadil | 2,113 | ch-CZE Juniors Open A | C69 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Chrudim Open | 2003 | 27 | 13.5 | 1,942 |
| Kouty nad Desnou Open A | 2012 | 21 | 12 | 2,017 |
| ch-CZE Juniors Open A | 2009 | 18 | 9 | 1,974 |
| Ceske Budejovice Open | 2000 | 11 | 4 | 2,065 |
| chT2D-CZE 1011 | 2011 | 11 | 4 | 1,993 |
| chTV-CZE 0102 | 2002 | 11 | 1 | 1,859 |
| 6th Teplice Open | 2011 | 9 | 4.5 | 2,083 |
| Harrachov Open A | 2009 | 9 | 5 | 2,059 |
Interactive opening tree from all 250 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jaroslav Hajek's chess games?
250 games by Jaroslav Hajek, from Apr 2003 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 Jaroslav Hajek has played.
What does Jaroslav Hajek play on the first move as White?
Across 117 games with White in our database, Jaroslav Hajek opens with 1.e4 (93% of games), 1.b4 (3% of games), 1.c4 (1% of games). Against 1.e4 as Black, Jaroslav Hajek answers 1...c5 (32% of games), 1...Nf6 (28% of games), 1...d5 (26% of games). Against 1.d4: 1...Nf6 (88% of games), 1...d5 (6% of games), 1...c6 (3% of games).
What openings does Jaroslav Hajek play as White?
As White, Jaroslav Hajek's most-played openings in our database are: Sicilian (21 games, 9.5% win rate); Ruy Lopez: Exchange (10 games, 60.0% win rate); Sicilian: Grand Prix Attack (10 games, 60.0% win rate). The full breakdown of 117 games with White is in the table above.
What openings does Jaroslav Hajek play as Black?
As Black, Jaroslav Hajek most often plays: Alekhine Defense (19 games, 15.8% win rate); Scandinavian Defense: Main Line (17 games, 17.6% win rate); Benoni Defense (15 games, 26.7% win rate). See the table above for the top ten Black openings across 133 games.
What is Jaroslav Hajek's FIDE rating?
Jaroslav Hajek is currently rated 1,836 in classical chess, 1,936 in rapid and 1,826 in blitz. Peak classical rating: 2,031 (Nov 2010).
How many games has Jaroslav Hajek played?
Our database contains 250 games by Jaroslav Hajek, covering Apr 2003 to Jul 2026. Overall record: 62 wins, 94 draws, 94 losses (24.8% win rate).
How do I prepare against Jaroslav Hajek?
250 games by Jaroslav Hajek 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.