Prepare against Jaroslav Vacek
Czechia · World #114,344 classical · FIDE ID 330540
When preparing against Jaroslav Vacek, expect 1.e4 in 93% of White games. Against 1.e4 the reply is 1...e5 (100% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 52 games by Jaroslav Vacek, covering Jul 2010 to Jul 2026. Below you'll find Jaroslav Vacek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jaroslav Vacek 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 | 1,689 | 1,721 | Aug 2017 |
| Rapid | 1,788 | 1,788 | Jul 2026 |
| Blitz | 1,780 | 1,780 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 52 | 11 | 18 | 23 | 21.2% |
| As White | 27 | 8 | 8 | 11 | 29.6% |
| As Black | 25 | 3 | 10 | 12 | 12.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jaroslav Vacek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jaroslav Vacek's side.
First moves as White (27 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 25 | 92.6% | 44.0% |
| a3 | 1 | 3.7% | 100.0% |
| Nf3 | 1 | 3.7% | 0.0% |
Main lines as White
- 1.e4 — 93% of White games, 44.0% score
- …c5 (52% of these games) — Vacek usually continues Nf3 (42.3% score)
- …e5 (16% of these games) — Vacek usually continues Nf3 (62.5% score)
- …e6 (16% of these games) — Vacek usually continues d4 (33.3% score)
- 1.a3 — 4% of White games, 100.0% score
- …e5 (100% of these games) — Vacek usually continues d3 (100.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 11 | 100.0% | 27.3% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 10 | 100.0% | 35.0% |
Jaroslav Vacek's chess games
All 52 games by Jaroslav Vacek in the Chess.ceo database (Jul 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: 11 wins, 18 draws, 23 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 5 | 2/0/3 | 40.0% |
| B45 | Sicilian: Four Knights | 3 | 1/1/1 | 33.3% |
| C41 | Philidor | 2 | 0/2/0 | 0.0% |
| C01 | French: Exchange Variation | 2 | 1/0/1 | 50.0% |
| B33 | Sicilian: Sveshnikov | 2 | 0/1/1 | 0.0% |
| B70 | Sicilian: Dragon | 2 | 1/1/0 | 50.0% |
| B07 | Pirc Defense | 2 | 0/2/0 | 0.0% |
| A00 | Anderssen's opening | 1 | 1/0/0 | 100.0% |
| B92 | Sicilian: Najdorf | 1 | 0/0/1 | 0.0% |
| B07 | Nimzowitsch Defense: Kennedy Variation | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A45 | Indian Defense | 3 | 2/0/1 | 66.7% |
| C42 | Petrov's Defense | 3 | 0/2/1 | 0.0% |
| D85 | Grünfeld Defense | 2 | 0/2/0 | 0.0% |
| C45 | Scotch Game | 2 | 0/1/1 | 0.0% |
| A17 | English Opening | 2 | 1/1/0 | 50.0% |
| E80 | King's Indian: Sämisch | 1 | 0/0/1 | 0.0% |
| A48 | London System | 1 | 0/0/1 | 0.0% |
| E33 | Nimzo-Indian: Classical Variation | 1 | 0/1/0 | 0.0% |
| C41 | Philidor | 1 | 0/1/0 | 0.0% |
| C66 | Ruy Lopez: Morphy Defense | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1997 | Jan Galandauer | 2,165 | chT1c-CZE 9697 | A00 |
| Jul 2017 | Josef Kourek | 2,072 | 28th Pardubice Czech Open C | B73 |
| Jul 2011 | Milan Kotva | 2,014 | 9th Nachod Open | C49 |
| May 2013 | Ludek Svec | 1,795 | Hradec Kralove Open | B45 |
| Oct 2017 | Ladislav Levinsky | 1,559 | 8th Hradec Kralove Open | A17 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Hradec Kralove Open | 2015 | 11 | 4.5 | 1,751 |
| 11th Nachod Open | 2013 | 9 | 2.5 | 1,609 |
| 9th Nachod Open | 2011 | 9 | 3 | 1,771 |
| Nachod Open | 2006 | 9 | 3.5 | 1,748 |
| 9th Hradec Kralove Open | 2018 | 4 | 1.5 | 1,552 |
| 8th Hradec Kralove Open | 2017 | 4 | 3 | 1,895 |
| chT1c-CZE 9697 | 1997 | 2 | 1 | 2,165 |
| 10th Hradec Kralove Open | 2019 | 1 | 0 | 1,749 |
Interactive opening tree from all 52 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jaroslav Vacek's chess games?
52 games by Jaroslav Vacek, from Jul 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 Jaroslav Vacek has played.
What does Jaroslav Vacek play on the first move as White?
Across 27 games with White in our database, Jaroslav Vacek opens with 1.e4 (93% of games), 1.a3 (4% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Jaroslav Vacek answers 1...e5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Jaroslav Vacek play as White?
As White, Jaroslav Vacek's most-played openings in our database are: Sicilian (5 games, 40.0% win rate); Sicilian: Four Knights (3 games, 33.3% win rate); Philidor (2 games, 0.0% win rate). The full breakdown of 27 games with White is in the table above.
What openings does Jaroslav Vacek play as Black?
As Black, Jaroslav Vacek most often plays: Indian Defense (3 games, 66.7% win rate); Petrov's Defense (3 games, 0.0% win rate); Grünfeld Defense (2 games, 0.0% win rate). See the table above for the top ten Black openings across 25 games.
What is Jaroslav Vacek's FIDE rating?
Jaroslav Vacek is currently rated 1,689 in classical chess, 1,788 in rapid and 1,780 in blitz. Peak classical rating: 1,721 (Aug 2017).
How many games has Jaroslav Vacek played?
Our database contains 52 games by Jaroslav Vacek, covering Jul 2010 to Jul 2026. Overall record: 11 wins, 18 draws, 23 losses (21.2% win rate).
How do I prepare against Jaroslav Vacek?
52 games by Jaroslav Vacek 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.