Prepare against Ren Cerny
Czechia · World #96,434 classical · FIDE ID 23754559
When preparing against Ren Cerny, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e5 (100% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 34 games by Ren Cerny, covering Oct 2023 to Sep 2026. Below you'll find Ren Cerny's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ren Cerny 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 | 1,740 | 1,740 | Sep 2026 |
| Rapid | 1,732 | 1,733 | Jan 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 34 | 15 | 7 | 12 | 44.1% |
| As White | 16 | 9 | 3 | 4 | 56.3% |
| As Black | 18 | 6 | 4 | 8 | 33.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ren Cerny's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ren Cerny's side.
First moves as White (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 16 | 100.0% | 65.6% |
Main lines as White
- 1.e4 — 100% of White games, 65.6% score
- …e5 (50% of these games) — Cerny usually continues Nc3 (68.8% score)
- …c5 (25% of these games) — Cerny usually continues d4 (33.3% score)
- …Nf6 (6% of these games) — Cerny usually continues Nc3 (100.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 11 | 100.0% | 45.5% |
As Black against 1.d4 (4 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 100.0% | 25.0% |
Ren Cerny's chess games
All 34 games by Ren Cerny in the Chess.ceo database (Oct 2023 - 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: 15 wins, 7 draws, 12 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C28 | Bishop's Opening | 5 | 3/1/1 | 60.0% |
| B21 | Sicilian: Smith-Morra Gambit | 3 | 0/2/1 | 0.0% |
| C27 | Vienna Game | 3 | 2/0/1 | 66.7% |
| B02 | Alekhine Defense | 1 | 1/0/0 | 100.0% |
| B22 | Sicilian: Alapin | 1 | 0/0/1 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 1/0/0 | 100.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 1/0/0 | 100.0% |
| C01 | French: Exchange Variation | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C42 | Petrov's Defense | 8 | 3/1/4 | 37.5% |
| D35 | Indian Defense | 2 | 0/1/1 | 0.0% |
| A15 | English Opening: Neo-Catalan | 1 | 0/0/1 | 0.0% |
| A29 | English Opening: Reverse Sicilian | 1 | 1/0/0 | 100.0% |
| C31 | King's Gambit | 1 | 0/1/0 | 0.0% |
| D02 | London System | 1 | 0/1/0 | 0.0% |
| D00 | Queen's Pawn Game: Chigorin Variation | 1 | 0/0/1 | 0.0% |
| C24 | Bishop's Opening | 1 | 1/0/0 | 100.0% |
| C26 | Vienna Game | 1 | 0/0/1 | 0.0% |
| A14 | English Opening | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2026 | David Brychta | 1,797 | Open Klatovy 2026 | Open B | B13 |
| Mar 2026 | Josef Skoloud | 1,751 | Czech Youth Championship 2026 | Boys U12 | C24 |
| Aug 2026 | Erik Sarifullin | 1,617 | Ricany Open A 2026 | B02 |
| Mar 2026 | Jan Sopik | 1,609 | Czech Youth Championship 2026 | Boys U12 | C42 |
| Mar 2024 | Jonas Fadrny | 1,600 | ch-CZE U10 | C01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-CZE U10 | 2024 | 17 | 11 | 1,434 |
| Ricany Open A 2026 | 2026 | 9 | 3 | 1,603 |
| Czech Youth Championship 2026 | Boys U12 | 2026 | 5 | 3.5 | 1,790 |
| Open Klatovy 2026 | Open B | 2026 | 3 | 1 | 1,702 |
Interactive opening tree from all 34 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ren Cerny's chess games?
34 games by Ren Cerny, from Oct 2023 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 Ren Cerny has played.
What does Ren Cerny play on the first move as White?
Across 16 games with White in our database, Ren Cerny opens with 1.e4 (100% of games). Against 1.e4 as Black, Ren Cerny answers 1...e5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Ren Cerny play as White?
As White, Ren Cerny's most-played openings in our database are: Bishop's Opening (5 games, 60.0% win rate); Sicilian: Smith-Morra Gambit (3 games, 0.0% win rate); Vienna Game (3 games, 66.7% win rate). The full breakdown of 16 games with White is in the table above.
What openings does Ren Cerny play as Black?
As Black, Ren Cerny most often plays: Petrov's Defense (8 games, 37.5% win rate); Indian Defense (2 games, 0.0% win rate); English Opening: Neo-Catalan (1 games, 0.0% win rate). See the table above for the top ten Black openings across 18 games.
What is Ren Cerny's FIDE rating?
Ren Cerny is currently rated 1,740 in classical chess, 1,732 in rapid. Peak classical rating: 1,740 (Sep 2026).
How many games has Ren Cerny played?
Our database contains 34 games by Ren Cerny, covering Oct 2023 to Sep 2026. Overall record: 15 wins, 7 draws, 12 losses (44.1% win rate).
How do I prepare against Ren Cerny?
34 games by Ren Cerny 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.