Prepare against Petr Gruss
Czechia · World #69,668 classical · FIDE ID 321559
When preparing against Petr Gruss, expect 1.d4 in 83% of White games. Against 1.e4 the reply is 1...e5 (91% of games); against 1.d4, 1...d5 (100%).
Our database contains 95 games by Petr Gruss, covering Sep 2009 to Jul 2026. Below you'll find Petr Gruss's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Petr Gruss 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 | 1,822 | 1,898 | Sep 2009 |
| Rapid | 1,804 | 1,832 | Apr 2024 |
| Blitz | 1,752 | 1,839 | May 2016 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 95 | 25 | 16 | 54 | 26.3% |
| As White | 46 | 14 | 10 | 22 | 30.4% |
| As Black | 49 | 11 | 6 | 32 | 22.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Petr Gruss's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Petr Gruss's side.
First moves as White (46 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 38 | 82.6% | 42.1% |
| e4 | 7 | 15.2% | 42.9% |
| c4 | 1 | 2.2% | 0.0% |
Main lines as White
- 1.d4 — 83% of White games, 42.1% score
- …d5 (47% of these games) — Gruss usually continues Nf3 (35.7% score)
- …Nf6 (32% of these games) — Gruss usually continues c4 (33.3% score)
- …e6 (8% of these games) — Gruss usually continues c4 (83.3% score)
- 1.e4 — 15% of White games, 42.9% score
- …e5 (29% of these games) — Gruss usually continues Nf3 (50.0% score)
- …c5 (29% of these games) — Gruss usually continues Nf3 (0.0% score)
- …d6 (14% of these games) — Gruss usually continues d4 (100.0% score)
As Black against 1.e4 (33 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 30 | 90.9% | 35.0% |
| e6 | 3 | 9.1% | 16.7% |
As Black against 1.d4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 11 | 100.0% | 27.3% |
Petr Gruss's chess games
All 95 games by Petr Gruss in the Chess.ceo database (Sep 2009 - 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: 25 wins, 16 draws, 54 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D45 | Slav Defense | 7 | 2/3/2 | 28.6% |
| D37 | Indian Defense | 7 | 3/2/2 | 42.9% |
| D04 | Colle System | 4 | 0/0/4 | 0.0% |
| D02 | Queen's Pawn Game | 3 | 2/0/1 | 66.7% |
| A52 | Budapest Defense | 3 | 1/0/2 | 33.3% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 2 | 1/0/1 | 50.0% |
| B50 | Sicilian | 2 | 0/0/2 | 0.0% |
| A40 | Englund Gambit | 1 | 0/0/1 | 0.0% |
| D13 | English Opening: Slav Setup | 1 | 0/0/1 | 0.0% |
| B10 | Caro-Kann | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C41 | Philidor | 10 | 4/1/5 | 40.0% |
| C42 | Petrov's Defense | 8 | 2/0/6 | 25.0% |
| D06 | Queen's Gambit | 6 | 1/0/5 | 16.7% |
| D37 | Indian Defense | 3 | 1/1/1 | 33.3% |
| C25 | Vienna Game | 2 | 1/0/1 | 50.0% |
| C55 | Four Knights Game: Italian Variation | 2 | 0/0/2 | 0.0% |
| C23 | Bishop's Opening | 2 | 1/0/1 | 50.0% |
| C34 | King's Gambit | 2 | 0/1/1 | 0.0% |
| C50 | Italian Game | 2 | 1/0/1 | 50.0% |
| C01 | French: Exchange Variation | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2009 | Petr Klimek | 1,997 | Karlovy Vary Open | A52 |
| May 2009 | Karl Hrdina | 1,973 | Karlovy Vary Open | D45 |
| May 2009 | Lubomir Kosek | 1,898 | Karlovy Vary Open | C44 |
| Jan 1999 | Kamil Drahorad | 1,815 | Most Open A | C27 |
| Aug 2013 | Vladimir Simek | 1,741 | Tabor Open | D11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-CZE Juniors Open B | 2009 | 16 | 6 | 1,433 |
| Karlovy Vary Open | 2011 | 15 | 8 | 1,915 |
| Tabor Open | 2013 | 10 | 4.5 | 1,684 |
| 7th Teplice Open | 2012 | 9 | 3 | 1,660 |
| Volyne Open B | 2003 | 9 | 5 | 1,635 |
| 10th Teplice Open | 2015 | 9 | 0.5 | 1,409 |
| Most Open A | 1999 | 7 | 1 | 1,558 |
| Usti nad Labem Open | 2009 | 7 | 2 | 1,853 |
Interactive opening tree from all 95 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Petr Gruss's chess games?
95 games by Petr Gruss, from Sep 2009 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 Petr Gruss has played.
What does Petr Gruss play on the first move as White?
Across 46 games with White in our database, Petr Gruss opens with 1.d4 (83% of games), 1.e4 (15% of games), 1.c4 (2% of games). Against 1.e4 as Black, Petr Gruss answers 1...e5 (91% of games), 1...e6 (9% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Petr Gruss play as White?
As White, Petr Gruss's most-played openings in our database are: Slav Defense (7 games, 28.6% win rate); Indian Defense (7 games, 42.9% win rate); Colle System (4 games, 0.0% win rate). The full breakdown of 46 games with White is in the table above.
What openings does Petr Gruss play as Black?
As Black, Petr Gruss most often plays: Philidor (10 games, 40.0% win rate); Petrov's Defense (8 games, 25.0% win rate); Queen's Gambit (6 games, 16.7% win rate). See the table above for the top ten Black openings across 49 games.
What is Petr Gruss's FIDE rating?
Petr Gruss is currently rated 1,822 in classical chess, 1,804 in rapid and 1,752 in blitz. Peak classical rating: 1,898 (Sep 2009).
How many games has Petr Gruss played?
Our database contains 95 games by Petr Gruss, covering Sep 2009 to Jul 2026. Overall record: 25 wins, 16 draws, 54 losses (26.3% win rate).
How do I prepare against Petr Gruss?
95 games by Petr Gruss 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.