Prepare against Juan Berdun
Argentina · World #138,798 classical · FIDE ID 170119
Our database contains 30 games by Juan Berdun, covering Aug 2017 to Jul 2026. Below you'll find Juan Berdun's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Juan Berdun 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 | 1,623 | 1,720 | Apr 2024 |
| Rapid | 1,636 | 1,650 | May 2025 |
| Blitz | 1,741 | 1,741 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 30 | 7 | 5 | 18 | 23.3% |
| As White | 16 | 2 | 3 | 11 | 12.5% |
| As Black | 14 | 5 | 2 | 7 | 35.7% |
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B00 | Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Heinola-Deppe Gambit | 2 | 0/2/0 | 0.0% |
| B40 | Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation | 2 | 0/0/2 | 0.0% |
| C00 | French Defense: King's Indian Attack, Franco-Hiva Gambit | 1 | 0/0/1 | 0.0% |
| D13 | Slav Defense: Exchange Variation, Schallopp Variation | 1 | 0/1/0 | 0.0% |
| C92 | Ruy Lopez: Closed, Smyslov-Breyer-Zaitsev Hybrid | 1 | 1/0/0 | 100.0% |
| A55 | Old Indian Defense: Normal Variation | 1 | 0/0/1 | 0.0% |
| C47 | Four Knights Game: Scotch Variation, Krause Gambit, Leonhardt Defense | 1 | 0/0/1 | 0.0% |
| D00 | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit Accepted | 1 | 0/0/1 | 0.0% |
| C02 | French Defense: Advance Variation, Milner-Barry Gambit, Sørensen Variation | 1 | 0/0/1 | 0.0% |
| C44 | Ponziani Opening: Spanish Variation, Harrwitz Attack, Nikitin Gambit | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A46 | Indian Defense: Knights Variation, Alburt-Miles Variation | 2 | 0/0/2 | 0.0% |
| A53 | Old Indian Defense: Janowski Variation, Fianchetto Variation | 2 | 1/0/1 | 50.0% |
| B32 | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | 1 | 0/0/1 | 0.0% |
| C47 | Four Knights Game: Scotch Variation, Krause Gambit, Leonhardt Defense | 1 | 0/1/0 | 0.0% |
| A16 | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | 1 | 0/1/0 | 0.0% |
| A84 | Dutch Defense: Rubinstein Variation | 1 | 1/0/0 | 100.0% |
| D10 | Slav Defense: Winawer Countergambit, Anti-Winawer Gambit | 1 | 1/0/0 | 100.0% |
| D91 | Grünfeld Defense: Three Knights Variation, Petrosian System | 1 | 0/0/1 | 0.0% |
| B07 | Lion Defense: Anti-Philidor, Lion's Cave, Lion Claw Gambit | 1 | 0/0/1 | 0.0% |
| C30 | King's Gambit Declined: Panteldakis Countergambit, Symmetrical Variation | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2017 | Ivan Renkine | 1,760 | Mar de Ajo Open 4th | C30 |
| Nov 2017 | David Bianchi | 1,684 | ch-ARG Amateur U1700 | D10 |
| Mar 2017 | Juan Carlos Desanzo | 1,517 | 1st Pinamar CADA Open | E90 |
| Sep 2017 | Enrique Oscar Justo | 1,427 | Pinamar Mayor CADA Open | A53 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Pinamar Mayor CADA Open | 2017 | 6 | 3 | 1,640 |
| Mar de Ajo Open 4th | 2017 | 6 | 2.5 | 1,878 |
| 2nd Santa Teresita Open | 2017 | 6 | 2 | 1,632 |
| 1st Pinamar CADA Open | 2017 | 4 | 1 | 1,580 |
| ch-ARG Amateur U1700 | 2017 | 2 | 1 | 1,668 |
| 6th Judewicz Memorial U2200 sf | 2019 | 1 | 0 | 1,636 |
| 1st Mar del Plata U2200 | 2019 | 1 | 0 | 1,525 |
| Pinamar U2200 | 2018 | 1 | 0 | 1,628 |
Interactive opening tree from all 30 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
What openings does Juan Berdun play as White?
As White, Juan Berdun's most-played openings in our database are: Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Heinola-Deppe Gambit (2 games, 0.0% win rate); Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation (2 games, 0.0% win rate); French Defense: King's Indian Attack, Franco-Hiva Gambit (1 games, 0.0% win rate). The full breakdown of 16 games with White is in the table above.
What openings does Juan Berdun play as Black?
As Black, Juan Berdun most often plays: Indian Defense: Knights Variation, Alburt-Miles Variation (2 games, 0.0% win rate); Old Indian Defense: Janowski Variation, Fianchetto Variation (2 games, 50.0% win rate); Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line (1 games, 0.0% win rate). See the table above for the top ten Black openings across 14 games.
What is Juan Berdun's FIDE rating?
Juan Berdun is currently rated 1,623 in classical chess, 1,636 in rapid and 1,741 in blitz. Peak classical rating: 1,720 (Apr 2024).
How many games has Juan Berdun played?
Our database contains 30 games by Juan Berdun, covering Aug 2017 to Jul 2026. Overall record: 7 wins, 5 draws, 18 losses (23.3% win rate).
How do I prepare against Juan Berdun?
Open Juan Berdun's player page on Chess.ceo and start a free preparation session: it scans all 30 of their games, shows their repertoire move by move in an opening tree, and highlights the lines where they score worst — so you know exactly where to aim. No signup required to explore.