Prepare against Marek Janous
FM · Czechia · World #7,845 classical · FIDE ID 23709650
When preparing against Marek Janous, expect 1.e4 in 95% of White games. Against 1.e4 the reply is 1...c5 (83% of games); against 1.d4, 1...Nf6 (72%). Lowest win rate among frequent openings: Sicilian as White, 34.8% over 23 games.
Our database contains 251 games by Marek Janous, covering Aug 2016 to Sep 2026. Below you'll find Marek Janous's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Marek Janous 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 | 2,209 | 2,291 | Jul 2026 |
| Rapid | 2,073 | 2,105 | Jul 2025 |
| Blitz | 2,083 | 2,120 | Jul 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 251 | 82 | 85 | 84 | 32.7% |
| As White | 129 | 44 | 52 | 33 | 34.1% |
| As Black | 122 | 38 | 33 | 51 | 31.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Marek Janous's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Marek Janous's side.
First moves as White (129 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 123 | 95.3% | 52.4% |
| d4 | 4 | 3.1% | 87.5% |
| b3 | 1 | 0.8% | 100.0% |
| c4 | 1 | 0.8% | 100.0% |
Main lines as White
- 1.e4 — 95% of White games, 52.4% score
- …c5 (42% of these games) — Janous usually continues Nf3 (51.0% score)
- …e5 (21% of these games) — Janous usually continues Nf3 (58.3% score)
- …e6 (17% of these games) — Janous usually continues d4 (45.8% score)
- 1.d4 — 3% of White games, 87.5% score
- …Nf6 (50% of these games) — Janous usually continues c4 (50.0% score)
- …d5 (50% of these games) — Janous usually continues c4 (100.0% score)
As Black against 1.e4 (66 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 55 | 83.3% | 50.0% |
| e5 | 7 | 10.6% | 50.0% |
| c6 | 2 | 3.0% | 0.0% |
| e6 | 1 | 1.5% | 50.0% |
| d5 | 1 | 1.5% | 50.0% |
As Black against 1.d4 (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 26 | 72.2% | 40.4% |
| d5 | 10 | 27.8% | 20.0% |
Marek Janous's chess games
All 251 games by Marek Janous in the Chess.ceo database (Aug 2016 - Sep 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: 82 wins, 85 draws, 84 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B30 | Sicilian | 23 | 8/10/5 | 34.8% |
| C45 | Scotch Game | 11 | 4/4/3 | 36.4% |
| C00 | French Defense | 10 | 5/4/1 | 50.0% |
| B52 | Sicilian: Moscow Variation | 10 | 4/2/4 | 40.0% |
| B13 | Caro-Kann: Exchange Variation | 6 | 1/2/3 | 16.7% |
| B30 | Sicilian: Rossolimo | 6 | 1/3/2 | 16.7% |
| B84 | Sicilian: Najdorf | 5 | 0/3/2 | 0.0% |
| C56 | Italian Game | 4 | 2/1/1 | 50.0% |
| C47 | Four Knights Game: Scotch Variation | 4 | 1/2/1 | 25.0% |
| C07 | French: Tarrasch Variation | 4 | 1/2/1 | 25.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B43 | Sicilian | 22 | 8/4/10 | 36.4% |
| A05 | Réti Opening | 7 | 2/2/3 | 28.6% |
| B90 | Sicilian: Najdorf | 7 | 1/4/2 | 14.3% |
| A28 | English Opening: Reverse Sicilian | 7 | 3/2/2 | 42.9% |
| A43 | Indian Defense | 6 | 1/1/4 | 16.7% |
| B22 | Sicilian: Alapin | 5 | 2/2/1 | 40.0% |
| D32 | Queen's Gambit Declined | 5 | 0/0/5 | 0.0% |
| A58 | Benoni Defense | 5 | 2/2/1 | 40.0% |
| A13 | English Opening | 4 | 2/1/1 | 50.0% |
| B34 | Sicilian: Accelerated Dragon | 4 | 0/3/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2025 | Petr Simek | 2,315 | chT-CZE 1 Liga Zapad | D30 |
| Sep 2026 | Tomas Brnusak | 2,302 | Bratislava Norm Week - IM A | A13 |
| Mar 2026 | Miroslav Jirasko | 2,264 | MČR juniorů a juniorek 2026 | Open | D37 |
| Feb 2023 | Jan Oresky | 2,254 | chT1W-CZE 2223 | B51 |
| Jul 2020 | Dietmar Hiermann | 2,250 | Ceske Budejovice Open A | C45 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-EU Union U14 | 2021 | 26 | 14 | 1,828 |
| ch-CZE U16 | 2023 | 26 | 18.5 | 2,082 |
| chT-CZE 1 Liga Zapad | 2026 | 21 | 10.5 | 2,229 |
| chT2A-CZE 2122 | 2022 | 10 | 5.5 | 2,222 |
| ch-CZE | 2020 | 9 | 3 | 2,025 |
| ch-EU U12 | 2019 | 9 | 4.5 | 1,862 |
| 28th Klatovy Open | 2022 | 9 | 5.5 | 2,210 |
| Ceske Budejovice Open | 2021 | 9 | 4.5 | 2,012 |
Interactive opening tree from all 251 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Marek Janous's chess games?
251 games by Marek Janous, from Aug 2016 to Sep 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 Marek Janous has played.
What does Marek Janous play on the first move as White?
Across 129 games with White in our database, Marek Janous opens with 1.e4 (95% of games), 1.d4 (3% of games), 1.b3 (1% of games). Against 1.e4 as Black, Marek Janous answers 1...c5 (83% of games), 1...e5 (11% of games), 1...c6 (3% of games). Against 1.d4: 1...Nf6 (72% of games), 1...d5 (28% of games).
What openings does Marek Janous play as White?
As White, Marek Janous's most-played openings in our database are: Sicilian (23 games, 34.8% win rate); Scotch Game (11 games, 36.4% win rate); French Defense (10 games, 50.0% win rate). The full breakdown of 129 games with White is in the table above.
What openings does Marek Janous play as Black?
As Black, Marek Janous most often plays: Sicilian (22 games, 36.4% win rate); Réti Opening (7 games, 28.6% win rate); Sicilian: Najdorf (7 games, 14.3% win rate). See the table above for the top ten Black openings across 122 games.
What is Marek Janous's FIDE rating?
Marek Janous is currently rated 2,209 in classical chess, 2,073 in rapid and 2,083 in blitz. Peak classical rating: 2,291 (Jul 2026).
How many games has Marek Janous played?
Our database contains 251 games by Marek Janous, covering Aug 2016 to Sep 2026. Overall record: 82 wins, 85 draws, 84 losses (32.7% win rate).
How do I prepare against Marek Janous?
251 games by Marek Janous 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.