Prepare against Petr Janis
Czechia · World #49,177 classical · FIDE ID 346039
Our database contains 30 games by Petr Janis, covering Sep 2010 to Jul 2026. Below you'll find Petr Janis's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Petr Janis 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 | 1,896 | 1,979 | Dec 2022 |
| Blitz | 1,975 | 1,981 | Dec 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 30 | 12 | 7 | 11 | 40.0% |
| As White | 14 | 5 | 5 | 4 | 35.7% |
| As Black | 16 | 7 | 2 | 7 | 43.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Petr Janis's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Petr Janis's side.
First moves as White (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 14 | 100.0% | 53.6% |
Main lines as White
- 1.e4 — 100% of White games, 53.6% score
- …c5 (43% of these games) — Janis usually continues Nf3 (75.0% score)
- …e6 (21% of these games) — Janis usually continues d4 (66.7% score)
- …e5 (21% of these games) — Janis usually continues f4 (66.7% score)
As Black against 1.e4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 4 | 57.1% | 50.0% |
| c5 | 2 | 28.6% | 50.0% |
| e6 | 1 | 14.3% | 0.0% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 100.0% | 64.3% |
Petr Janis's chess games
All 30 games by Petr Janis in the Chess.ceo database (Sep 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: 12 wins, 7 draws, 11 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C30 | King's Gambit | 3 | 2/0/1 | 66.7% |
| C05 | French: Tarrasch Variation | 2 | 1/1/0 | 50.0% |
| B22 | Sicilian: Alapin | 2 | 1/1/0 | 50.0% |
| B26 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| B20 | Sicilian: Grand Prix Attack | 1 | 0/0/1 | 0.0% |
| B22 | Sicilian: Hyperaccelerated Dragon | 1 | 1/0/0 | 100.0% |
| B11 | Caro-Kann: Two Knights Variation | 1 | 0/1/0 | 0.0% |
| C34 | Vienna Game | 1 | 0/0/1 | 0.0% |
| C01 | French: Exchange Variation | 1 | 0/1/0 | 0.0% |
| B43 | Sicilian | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A61 | Benoni Defense | 3 | 1/1/1 | 33.3% |
| C28 | Vienna Game | 2 | 1/0/1 | 50.0% |
| D00 | Indian Defense | 2 | 2/0/0 | 100.0% |
| D85 | Grünfeld Defense | 1 | 1/0/0 | 100.0% |
| A21 | English Opening: Reverse Sicilian | 1 | 0/1/0 | 0.0% |
| C54 | Italian Game: Classical Variation | 1 | 1/0/0 | 100.0% |
| E87 | King's Indian: Sämisch | 1 | 0/0/1 | 0.0% |
| C77 | Ruy Lopez: Morphy Defense | 1 | 0/0/1 | 0.0% |
| B34 | Sicilian | 1 | 1/0/0 | 100.0% |
| B31 | Sicilian: Rossolimo | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2022 | Jakub Safarik | 2,171 | chT2D-CZE 2122 | A61 |
| Oct 2009 | Jan Misicko | 2,136 | Harrachov Open B | C30 |
| Nov 2022 | Jaroslav Mojzis | 2,108 | chT2D-CZE 2223 | D74 |
| Oct 2022 | Oldrich Lorenc | 2,088 | chT2D-CZE 2223 | B22 |
| Feb 2023 | Bedrich Fiedler | 2,077 | chT2D-CZE 2223 | D85 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Harrachov Open B | 2009 | 8 | 4.5 | 1,776 |
| chT2D-CZE 2223 | 2023 | 8 | 5.5 | 2,144 |
| chT2D-CZE 2122 | 2022 | 7 | 4.5 | 2,133 |
| ch-CZE U16 | 2008 | 2 | 0 | 1,643 |
| chT-CZE 2D 1617 | 2017 | 2 | 1 | 1,969 |
| chT2D-CZE 1314 | 2014 | 1 | 0 | 1,607 |
| 10th Prague Summer Open A | 2023 | 1 | 0 | 2,011 |
| Prague Summer Open | 2024 | 1 | 0 | 1,978 |
Interactive opening tree from all 30 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Petr Janis's chess games?
30 games by Petr Janis, from Sep 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 Petr Janis has played.
What does Petr Janis play on the first move as White?
Across 14 games with White in our database, Petr Janis opens with 1.e4 (100% of games). Against 1.e4 as Black, Petr Janis answers 1...e5 (57% of games), 1...c5 (29% of games), 1...e6 (14% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Petr Janis play as White?
As White, Petr Janis's most-played openings in our database are: King's Gambit (3 games, 66.7% win rate); French: Tarrasch Variation (2 games, 50.0% win rate); Sicilian: Alapin (2 games, 50.0% win rate). The full breakdown of 14 games with White is in the table above.
What openings does Petr Janis play as Black?
As Black, Petr Janis most often plays: Benoni Defense (3 games, 33.3% win rate); Vienna Game (2 games, 50.0% win rate); Indian Defense (2 games, 100.0% win rate). See the table above for the top ten Black openings across 16 games.
What is Petr Janis's FIDE rating?
Petr Janis is currently rated 1,896 in classical chess and 1,975 in blitz. Peak classical rating: 1,979 (Dec 2022).
How many games has Petr Janis played?
Our database contains 30 games by Petr Janis, covering Sep 2010 to Jul 2026. Overall record: 12 wins, 7 draws, 11 losses (40.0% win rate).
How do I prepare against Petr Janis?
30 games by Petr Janis 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.