Prepare against Juan Berdun
Argentina · World #138,798 classical · FIDE ID 170119
When preparing against Juan Berdun, expect 1.e4 in 75% of White games. Against 1.e4 the reply is 1...e5 (60% of games); against 1.d4, 1...Nf6 (75%).
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% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Juan Berdun's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Juan Berdun's side.
First moves as White (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 12 | 75.0% | 25.0% |
| d4 | 3 | 18.8% | 16.7% |
| Nf3 | 1 | 6.3% | 0.0% |
Main lines as White
- 1.e4 — 75% of White games, 25.0% score
- …e5 (33% of these games) — Berdun usually continues Nf3 (33.3% score)
- …c5 (25% of these games) — Berdun usually continues Nf3 (50.0% score)
- …e6 (17% of these games) — Berdun usually continues c4 (0.0% score)
- 1.d4 — 19% of White games, 16.7% score
- …Nf6 (67% of these games) — Berdun usually continues Bf4 (0.0% score)
- …d5 (33% of these games) — Berdun usually continues c4 (0.0% score)
As Black against 1.e4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 3 | 60.0% | 50.0% |
| d6 | 1 | 20.0% | 0.0% |
| c5 | 1 | 20.0% | 0.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 75.0% | 50.0% |
| d6 | 1 | 12.5% | 0.0% |
| f5 | 1 | 12.5% | 100.0% |
Juan Berdun's chess games
All 30 games by Juan Berdun in the Chess.ceo database (Aug 2017 - 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: 7 wins, 5 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 2 | 0/1/1 | 0.0% |
| A55 | Caro-Kann | 1 | 0/0/1 | 0.0% |
| C02 | French: Advance Variation | 1 | 0/0/1 | 0.0% |
| C00 | French Defense | 1 | 0/0/1 | 0.0% |
| D00 | London System | 1 | 0/0/1 | 0.0% |
| B00 | Owen Defense | 1 | 0/1/0 | 0.0% |
| C44 | Ponziani Opening | 1 | 0/0/1 | 0.0% |
| D07 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
| C92 | Ruy Lopez: Closed | 1 | 1/0/0 | 100.0% |
| C47 | Scotch Game | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A46 | Indian Defense | 4 | 3/0/1 | 75.0% |
| A84 | Dutch Defense | 1 | 1/0/0 | 100.0% |
| A16 | English Opening | 1 | 0/1/0 | 0.0% |
| C47 | Four Knights Game: Glek System | 1 | 0/1/0 | 0.0% |
| C30 | King's Gambit | 1 | 1/0/0 | 100.0% |
| A46 | London System | 1 | 0/0/1 | 0.0% |
| C42 | Petrov's Defense | 1 | 0/0/1 | 0.0% |
| B07 | Pirc Defense | 1 | 0/0/1 | 0.0% |
| B32 | Sicilian | 1 | 0/0/1 | 0.0% |
| A53 | Anglo-Slav Opening | 1 | 0/0/1 | 0.0% |
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
Where can I find Juan Berdun's chess games?
30 games by Juan Berdun, from Aug 2017 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 Juan Berdun has played.
What does Juan Berdun play on the first move as White?
Across 16 games with White in our database, Juan Berdun opens with 1.e4 (75% of games), 1.d4 (19% of games), 1.Nf3 (6% of games). Against 1.e4 as Black, Juan Berdun answers 1...e5 (60% of games), 1...d6 (20% of games), 1...c5 (20% of games). Against 1.d4: 1...Nf6 (75% of games), 1...d6 (13% of games), 1...f5 (13% of games).
What openings does Juan Berdun play as White?
As White, Juan Berdun's most-played openings in our database are: Slav Defense (2 games, 0.0% win rate); Caro-Kann (1 games, 0.0% win rate); French: Advance Variation (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 (4 games, 75.0% win rate); Dutch Defense (1 games, 100.0% win rate); English Opening (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?
30 games by Juan Berdun 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.