Prepare against Mariano Vassallo
URY · World #59,897 classical · FIDE ID 3007677
When preparing against Mariano Vassallo, expect 1.e4 in 92% of White games. Against 1.e4 the reply is 1...e5 (80% of games); against 1.d4, 1...Nf6 (55%).
Our database contains 127 games by Mariano Vassallo, covering Feb 2016 to Aug 2026. Below you'll find Mariano Vassallo's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mariano Vassallo 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 | 1,856 | 1,856 | Aug 2026 |
| Rapid | 1,805 | 1,844 | Dec 2024 |
| Blitz | 1,713 | 1,863 | Oct 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 127 | 39 | 29 | 59 | 30.7% |
| As White | 61 | 20 | 17 | 24 | 32.8% |
| As Black | 66 | 19 | 12 | 35 | 28.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mariano Vassallo's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mariano Vassallo's side.
First moves as White (61 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 56 | 91.8% | 46.4% |
| f4 | 5 | 8.2% | 50.0% |
Main lines as White
- 1.e4 — 92% of White games, 46.4% score
- …c5 (34% of these games) — Vassallo usually continues Nf3 (42.1% score)
- …e5 (30% of these games) — Vassallo usually continues Nf3 (44.1% score)
- …e6 (14% of these games) — Vassallo usually continues d4 (62.5% score)
- 1.f4 — 8% of White games, 50.0% score
- …d5 (80% of these games) — Vassallo usually continues Nf3 (37.5% score)
- …Nf6 (20% of these games) — Vassallo usually continues Nf3 (100.0% score)
As Black against 1.e4 (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 28 | 80.0% | 37.5% |
| c5 | 6 | 17.1% | 75.0% |
| e6 | 1 | 2.9% | 0.0% |
As Black against 1.d4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 12 | 54.5% | 37.5% |
| d5 | 10 | 45.5% | 30.0% |
Mariano Vassallo's chess games
All 127 games by Mariano Vassallo in the Chess.ceo database (Feb 2016 - Aug 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: 39 wins, 29 draws, 59 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B28 | Sicilian | 10 | 3/3/4 | 30.0% |
| C55 | Italian Game | 9 | 2/3/4 | 22.2% |
| C01 | French: Exchange Variation | 7 | 3/2/2 | 42.9% |
| C54 | Italian Game: Classical Variation | 6 | 2/2/2 | 33.3% |
| A03 | Bird's opening | 5 | 2/1/2 | 40.0% |
| B11 | Caro-Kann: Two Knights Variation | 4 | 1/2/1 | 25.0% |
| B92 | Sicilian: Najdorf | 3 | 1/2/0 | 33.3% |
| B34 | Sicilian: Accelerated Dragon | 2 | 0/1/1 | 0.0% |
| B08 | Pirc Defense | 2 | 0/1/1 | 0.0% |
| D42 | Caro-Kann: Exchange Variation | 2 | 1/0/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C50 | Italian Game | 7 | 2/1/4 | 28.6% |
| D05 | Indian Defense | 6 | 1/1/4 | 16.7% |
| C54 | Italian Game: Classical Variation | 6 | 1/2/3 | 16.7% |
| D02 | Queen's Pawn Game | 4 | 3/1/0 | 75.0% |
| E09 | Catalan | 4 | 2/0/2 | 50.0% |
| A04 | Colle System | 3 | 0/1/2 | 0.0% |
| A45 | London System | 3 | 0/0/3 | 0.0% |
| C36 | King's Gambit | 3 | 2/0/1 | 66.7% |
| C78 | Ruy Lopez: Morphy Defense | 3 | 0/0/3 | 0.0% |
| C45 | Scotch Game | 3 | 2/0/1 | 66.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2026 | Rodrigo Ibanez | 2,087 | Semifinal del Campeonato Uruguayo Absoluto 2026 | D02 |
| Feb 2023 | Mario Saralegui Cassan | 2,018 | 6th Montevideo Duchamp Cup | D05 |
| Feb 2023 | Juan Pablo Pichuaga | 2,004 | 6th Montevideo Duchamp Cup | E09 |
| Feb 2024 | Aurelio Durante | 1,956 | 7th Montevideo Duchamp Cup | C57 |
| Feb 2023 | Rafael Salguero | 1,921 | ch-URU sf2 | C01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-URU sf | 2022 | 14 | 4.5 | 1,666 |
| ch-URU U20 | 2024 | 12 | 7 | 1,701 |
| Wch U14 | 2017 | 11 | 5 | 1,690 |
| 5th Montevideo Duchamp Cup | 2022 | 9 | 4 | 1,613 |
| 3rd Montevideo Duchamp Cup | 2019 | 9 | 3 | 1,350 |
| 7th Montevideo Duchamp Cup | 2024 | 9 | 4.5 | 1,855 |
| 27th ch-Pan American U12 | 2016 | 9 | 4 | 1,447 |
| 4th Montevideo Duchamp Cup | 2020 | 9 | 3 | 1,727 |
Interactive opening tree from all 127 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mariano Vassallo's chess games?
127 games by Mariano Vassallo, from Feb 2016 to Aug 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 Mariano Vassallo has played.
What does Mariano Vassallo play on the first move as White?
Across 61 games with White in our database, Mariano Vassallo opens with 1.e4 (92% of games), 1.f4 (8% of games). Against 1.e4 as Black, Mariano Vassallo answers 1...e5 (80% of games), 1...c5 (17% of games), 1...e6 (3% of games). Against 1.d4: 1...Nf6 (55% of games), 1...d5 (45% of games).
What openings does Mariano Vassallo play as White?
As White, Mariano Vassallo's most-played openings in our database are: Sicilian (10 games, 30.0% win rate); Italian Game (9 games, 22.2% win rate); French: Exchange Variation (7 games, 42.9% win rate). The full breakdown of 61 games with White is in the table above.
What openings does Mariano Vassallo play as Black?
As Black, Mariano Vassallo most often plays: Italian Game (7 games, 28.6% win rate); Indian Defense (6 games, 16.7% win rate); Italian Game: Classical Variation (6 games, 16.7% win rate). See the table above for the top ten Black openings across 66 games.
What is Mariano Vassallo's FIDE rating?
Mariano Vassallo is currently rated 1,856 in classical chess, 1,805 in rapid and 1,713 in blitz. Peak classical rating: 1,856 (Aug 2026).
How many games has Mariano Vassallo played?
Our database contains 127 games by Mariano Vassallo, covering Feb 2016 to Aug 2026. Overall record: 39 wins, 29 draws, 59 losses (30.7% win rate).
How do I prepare against Mariano Vassallo?
127 games by Mariano Vassallo 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.