Prepare against Josef Prachar
Czechia · World #79,769 classical · FIDE ID 308412
When preparing against Josef Prachar, expect 1.d4 in 98% of White games. Against 1.e4 the reply is 1...c5 (98% of games); against 1.d4, 1...Nf6 (56%). Lowest win rate among frequent openings: Sicilian as Black, 25.0% over 24 games.
Our database contains 287 games by Josef Prachar, covering Apr 2003 to Jul 2026. Below you'll find Josef Prachar's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Josef Prachar 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 | 1,790 | 2,038 | Jul 2005 |
| Rapid | 1,801 | 1,807 | Sep 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 287 | 94 | 74 | 119 | 32.8% |
| As White | 144 | 54 | 37 | 53 | 37.5% |
| As Black | 143 | 40 | 37 | 66 | 28.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Josef Prachar's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Josef Prachar's side.
First moves as White (144 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 141 | 97.9% | 51.1% |
| Nf3 | 2 | 1.4% | 25.0% |
| c4 | 1 | 0.7% | 0.0% |
Main lines as White
- 1.d4 — 98% of White games, 51.1% score
- …Nf6 (47% of these games) — Prachar usually continues c4 (48.4% score)
- …d5 (35% of these games) — Prachar usually continues c4 (58.1% score)
- …c5 (5% of these games) — Prachar usually continues d5 (50.0% score)
- 1.Nf3 — 1% of White games, 25.0% score
- …d5 (100% of these games) — Prachar usually continues g3 (0.0% score)
As Black against 1.e4 (61 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 60 | 98.4% | 40.8% |
| g6 | 1 | 1.6% | 100.0% |
As Black against 1.d4 (50 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 28 | 56.0% | 57.1% |
| d5 | 19 | 38.0% | 44.7% |
| g6 | 3 | 6.0% | 33.3% |
Josef Prachar's chess games
All 287 games by Josef Prachar 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: 94 wins, 74 draws, 119 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D36 | Indian Defense | 23 | 13/6/4 | 56.5% |
| D18 | Slav Defense | 14 | 5/5/4 | 35.7% |
| E76 | King's Indian Defense: Four Pawns Attack | 12 | 3/5/4 | 25.0% |
| A69 | Benoni Defense | 11 | 4/2/5 | 36.4% |
| E24 | Nimzo-Indian: Sämisch Variation | 10 | 3/1/6 | 30.0% |
| D80 | Grünfeld Defense | 8 | 5/0/3 | 62.5% |
| D20 | Queen's Gambit Accepted | 7 | 4/2/1 | 57.1% |
| E25 | Nimzo-Indian: Kmoch Variation | 6 | 2/1/3 | 33.3% |
| D04 | Colle System | 6 | 1/4/1 | 16.7% |
| D13 | Semi-Slav Defense | 6 | 2/1/3 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 24 | 6/7/11 | 25.0% |
| B33 | Sicilian: Sveshnikov | 13 | 3/4/6 | 23.1% |
| B25 | Sicilian: Closed | 8 | 5/0/3 | 62.5% |
| D07 | Queen's Gambit | 8 | 3/2/3 | 37.5% |
| A41 | Modern Defense | 7 | 2/2/3 | 28.6% |
| B31 | Sicilian: Rossolimo | 7 | 0/1/6 | 0.0% |
| D02 | London System | 6 | 2/3/1 | 33.3% |
| A25 | English Opening: Reverse Sicilian | 6 | 1/1/4 | 16.7% |
| D02 | Queen's Pawn Game | 6 | 3/1/2 | 50.0% |
| A48 | Indian Defense | 5 | 2/2/1 | 40.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2008 | Arnold Zakharchenko | 2,288 | 10th Litomysl Open | D07 |
| Jul 2005 | Daniel Seleljo | 2,271 | Prague Visus Open | A68 |
| Sep 2004 | Michal Novotny | 2,197 | Prague ProMoPro Open | D85 |
| Jan 1994 | Radim Cernin | 2,155 | Litomysl Open | D35 |
| Jul 2005 | Jan Kovar | 2,107 | Prague Visus Open | D46 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Hradec Kralove Open | 2014 | 28 | 16 | 1,959 |
| Prague ProMoPro Open | 2006 | 26 | 11 | 2,043 |
| Litomysl Open | 2005 | 18 | 7.5 | 2,108 |
| Bratislava Slovan Open | 1996 | 13 | 4.5 | 2,133 |
| 26th Wch Seniors 65 | 2016 | 11 | 5 | 1,903 |
| 16th Rheinland Pfalz Open Seniors | 2018 | 9 | 5 | 1,850 |
| Dunajska Streda Open | 1999 | 9 | 5 | 1,948 |
| Liberec Metalmex Open | 2011 | 9 | 5 | 2,005 |
Interactive opening tree from all 287 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Josef Prachar's chess games?
287 games by Josef Prachar, 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 Josef Prachar has played.
What does Josef Prachar play on the first move as White?
Across 144 games with White in our database, Josef Prachar opens with 1.d4 (98% of games), 1.Nf3 (1% of games), 1.c4 (1% of games). Against 1.e4 as Black, Josef Prachar answers 1...c5 (98% of games), 1...g6 (2% of games). Against 1.d4: 1...Nf6 (56% of games), 1...d5 (38% of games), 1...g6 (6% of games).
What openings does Josef Prachar play as White?
As White, Josef Prachar's most-played openings in our database are: Indian Defense (23 games, 56.5% win rate); Slav Defense (14 games, 35.7% win rate); King's Indian Defense: Four Pawns Attack (12 games, 25.0% win rate). The full breakdown of 144 games with White is in the table above.
What openings does Josef Prachar play as Black?
As Black, Josef Prachar most often plays: Sicilian (24 games, 25.0% win rate); Sicilian: Sveshnikov (13 games, 23.1% win rate); Sicilian: Closed (8 games, 62.5% win rate). See the table above for the top ten Black openings across 143 games.
What is Josef Prachar's FIDE rating?
Josef Prachar is currently rated 1,790 in classical chess, 1,801 in rapid. Peak classical rating: 2,038 (Jul 2005).
How many games has Josef Prachar played?
Our database contains 287 games by Josef Prachar, covering Apr 2003 to Jul 2026. Overall record: 94 wins, 74 draws, 119 losses (32.8% win rate).
How do I prepare against Josef Prachar?
287 games by Josef Prachar 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.