Prepare against Jiri Pacovsky
Czechia · World #8,804 classical · FIDE ID 304654
When preparing against Jiri Pacovsky, expect 1.c4 in 99% of White games. Against 1.e4 the reply is 1...e5 (100% of games); against 1.d4, 1...d5 (100%). Lowest win rate among frequent openings: Slav Defense as Black, 28.1% over 32 games.
Our database contains 209 games by Jiri Pacovsky, covering Apr 2003 to Jul 2026. Below you'll find Jiri Pacovsky's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jiri Pacovsky 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 | 2,189 | 2,303 | Apr 2003 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 209 | 69 | 92 | 48 | 33.0% |
| As White | 100 | 33 | 44 | 23 | 33.0% |
| As Black | 109 | 36 | 48 | 25 | 33.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jiri Pacovsky's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jiri Pacovsky's side.
First moves as White (100 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 99 | 99.0% | 55.1% |
| e4 | 1 | 1.0% | 50.0% |
Main lines as White
- 1.c4 — 99% of White games, 55.1% score
- …Nf6 (47% of these games) — Pacovsky usually continues Nc3 (61.7% score)
- …e5 (18% of these games) — Pacovsky usually continues Nc3 (38.9% score)
- …c5 (11% of these games) — Pacovsky usually continues Nf3 (66.7% score)
- 1.e4 — 1% of White games, 50.0% score
- …e5 (100% of these games) — Pacovsky usually continues Nf3 (50.0% score)
As Black against 1.e4 (45 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 45 | 100.0% | 48.9% |
As Black against 1.d4 (39 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 39 | 100.0% | 60.3% |
Jiri Pacovsky's chess games
All 209 games by Jiri Pacovsky 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: 69 wins, 92 draws, 48 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A16 | English Opening | 41 | 14/22/5 | 34.1% |
| A29 | English Opening: Reverse Sicilian | 23 | 8/6/9 | 34.8% |
| A30 | English Opening: Symmetrical | 13 | 3/6/4 | 23.1% |
| A18 | English Opening: Mikenas Variation | 8 | 4/4/0 | 50.0% |
| A13 | Modern Defense | 4 | 1/1/2 | 25.0% |
| A14 | English Opening: Neo-Catalan | 3 | 1/0/2 | 33.3% |
| A16 | English Opening: Dutch Defense | 3 | 1/2/0 | 33.3% |
| A30 | Benoni Defense | 2 | 1/1/0 | 50.0% |
| D13 | English Opening: Slav Setup | 1 | 0/1/0 | 0.0% |
| C47 | Four Knights Game: Scotch Variation | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D14 | Slav Defense | 32 | 9/17/6 | 28.1% |
| C44 | Scotch Game | 12 | 2/4/6 | 16.7% |
| D02 | Queen's Pawn Game | 9 | 3/5/1 | 33.3% |
| A12 | Réti Opening | 7 | 2/2/3 | 28.6% |
| C83 | Ruy Lopez: Open | 7 | 3/2/2 | 42.9% |
| C50 | Italian Game | 7 | 2/2/3 | 28.6% |
| A11 | English Opening: Slav Setup | 6 | 4/2/0 | 66.7% |
| C84 | Ruy Lopez: Morphy Defense | 4 | 0/3/1 | 0.0% |
| C68 | Ruy Lopez: Exchange | 3 | 2/1/0 | 66.7% |
| C62 | Ruy Lopez | 3 | 1/1/1 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1997 | Jan Cerny | 2,428 | chT1b-CZE 9697 | A12 |
| Jan 1997 | Jiri Nun | 2,395 | chT2-CZE 9697 | A29 |
| Jan 1992 | Oleg Vasilchenko | 2,385 | Pardubice Open | A30 |
| Nov 1998 | Petr Jirovsky | 2,380 | chT-CZE 9899 | A26 |
| Jan 1999 | Jan Svatos | 2,355 | chT2-CZE 9899 | A21 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Karvina Hornicky Kahanec-08 | 1985 | 13 | 6 | 2,284 |
| chT-CZE 9900 | 2000 | 11 | 6.5 | 2,384 |
| chT-CZE 0001 | 2001 | 11 | 4.5 | 2,256 |
| chT1b-CZE 9697 | 1997 | 11 | 9.5 | 2,513 |
| Pardubice Open | 1993 | 10 | 5.5 | 2,389 |
| chT2-CZE 9899 | 1999 | 10 | 6 | 2,380 |
| chT2-CZE 9900 | 2000 | 10 | 4.5 | 2,268 |
| chT2a-CZE 9596 | 1996 | 9 | 5 | 2,311 |
Interactive opening tree from all 209 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jiri Pacovsky's chess games?
209 games by Jiri Pacovsky, 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 Jiri Pacovsky has played.
What does Jiri Pacovsky play on the first move as White?
Across 100 games with White in our database, Jiri Pacovsky opens with 1.c4 (99% of games), 1.e4 (1% of games). Against 1.e4 as Black, Jiri Pacovsky answers 1...e5 (100% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Jiri Pacovsky play as White?
As White, Jiri Pacovsky's most-played openings in our database are: English Opening (41 games, 34.1% win rate); English Opening: Reverse Sicilian (23 games, 34.8% win rate); English Opening: Symmetrical (13 games, 23.1% win rate). The full breakdown of 100 games with White is in the table above.
What openings does Jiri Pacovsky play as Black?
As Black, Jiri Pacovsky most often plays: Slav Defense (32 games, 28.1% win rate); Scotch Game (12 games, 16.7% win rate); Queen's Pawn Game (9 games, 33.3% win rate). See the table above for the top ten Black openings across 109 games.
What is Jiri Pacovsky's FIDE rating?
Jiri Pacovsky is currently rated 2,189 in classical chess. Peak classical rating: 2,303 (Apr 2003).
How many games has Jiri Pacovsky played?
Our database contains 209 games by Jiri Pacovsky, covering Apr 2003 to Jul 2026. Overall record: 69 wins, 92 draws, 48 losses (33.0% win rate).
How do I prepare against Jiri Pacovsky?
209 games by Jiri Pacovsky 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.