Prepare against Osvaldo Larrea
URY · World #130,249 classical · FIDE ID 3004546
When preparing against Osvaldo Larrea, expect 1.f4 in 83% of White games. Against 1.e4 the reply is 1...b6 (43% of games); against 1.d4, 1...f5 (88%). Lowest win rate among frequent openings: Modern Defense as Black, 15.8% over 19 games.
Our database contains 162 games by Osvaldo Larrea, covering Nov 2013 to Jul 2026. Below you'll find Osvaldo Larrea's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Osvaldo Larrea 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 | 1,646 | 1,843 | May 2015 |
| Rapid | 1,790 | 1,813 | Aug 2024 |
| Blitz | 1,804 | 1,870 | Aug 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 162 | 37 | 42 | 83 | 22.8% |
| As White | 77 | 19 | 22 | 36 | 24.7% |
| As Black | 85 | 18 | 20 | 47 | 21.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Osvaldo Larrea's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Osvaldo Larrea's side.
First moves as White (77 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| f4 | 64 | 83.1% | 40.6% |
| e4 | 9 | 11.7% | 33.3% |
| Nf3 | 3 | 3.9% | 33.3% |
| b3 | 1 | 1.3% | 0.0% |
Main lines as White
- 1.f4 — 83% of White games, 40.6% score
- …d5 (45% of these games) — Larrea usually continues Nf3 (29.3% score)
- …Nf6 (25% of these games) — Larrea usually continues Nf3 (46.7% score)
- …c5 (13% of these games) — Larrea usually continues Nf3 (56.3% score)
- 1.e4 — 12% of White games, 33.3% score
- …c5 (56% of these games) — Larrea usually continues f4 (12.5% score)
- …Nf6 (22% of these games) — Larrea usually continues Nc3 (75.0% score)
- …g6 (11% of these games) — Larrea usually continues Nf3 (0.0% score)
As Black against 1.e4 (47 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| b6 | 20 | 42.6% | 55.0% |
| g6 | 18 | 38.3% | 30.6% |
| d6 | 3 | 6.4% | 0.0% |
| e5 | 2 | 4.3% | 0.0% |
| e6 | 1 | 2.1% | 0.0% |
| c6 | 1 | 2.1% | 0.0% |
As Black against 1.d4 (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| f5 | 22 | 88.0% | 29.5% |
| b6 | 1 | 4.0% | 0.0% |
| g6 | 1 | 4.0% | 0.0% |
| d6 | 1 | 4.0% | 0.0% |
Osvaldo Larrea's chess games
All 162 games by Osvaldo Larrea in the Chess.ceo database (Nov 2013 - 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: 37 wins, 42 draws, 83 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A03 | Bird's opening | 64 | 18/16/30 | 28.1% |
| B21 | Sicilian: Grand Prix Attack | 4 | 0/1/3 | 0.0% |
| B02 | Alekhine Defense | 2 | 1/1/0 | 50.0% |
| A05 | Réti Opening | 2 | 0/1/1 | 0.0% |
| B08 | Modern Defense | 1 | 0/0/1 | 0.0% |
| A01 | Nimzovich-Larsen attack | 1 | 0/0/1 | 0.0% |
| A81 | Dutch Defense | 1 | 0/1/0 | 0.0% |
| B26 | Sicilian: Closed | 1 | 0/1/0 | 0.0% |
| C57 | Italian Game: Two Knights Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A80 | Dutch Defense | 28 | 5/8/15 | 17.9% |
| B00 | Owen Defense | 20 | 8/6/6 | 40.0% |
| B08 | Modern Defense | 19 | 3/5/11 | 15.8% |
| B06 | Pirc Defense | 4 | 0/0/4 | 0.0% |
| A10 | English Opening: Dutch Defense | 4 | 1/0/3 | 25.0% |
| A81 | Hungarian Opening | 1 | 1/0/0 | 100.0% |
| C00 | King's Indian Attack | 1 | 0/0/1 | 0.0% |
| B00 | King's Pawn Game | 1 | 0/0/1 | 0.0% |
| A01 | Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% |
| B05 | Alekhine Defense | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1997 | Santiago Gatti | 2,085 | ch-URU | B00 |
| Oct 2013 | Marcelo Rodriguez | 2,077 | ch-Pan American Amateur | A02 |
| Nov 2015 | Carlos Milans | 1,924 | 4th Punta del Este Open | A03 |
| Jun 2016 | Julio Villarreal | 1,869 | ch-URU Seniors | A02 |
| May 2015 | Andres De la Torre | 1,699 | 11th American Continental | A02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-URU | 2001 | 12 | 3.5 | 2,063 |
| San Jose IRT | 1989 | 11 | 0.5 | 1,943 |
| 11th American Continental | 2015 | 9 | 2.5 | 1,681 |
| Brazil Foz do Iguacu Open | 2018 | 9 | 3.5 | 1,850 |
| chTA-URU | 2017 | 8 | 1 | 1,741 |
| 1st Montevideo Duchamp Cup | 2017 | 8 | 3 | 1,769 |
| ch-URU | 1997 | 8 | 3 | 2,009 |
| ch-Pan American Amateur | 2013 | 7 | 2.5 | 1,660 |
Interactive opening tree from all 162 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Osvaldo Larrea's chess games?
162 games by Osvaldo Larrea, from Nov 2013 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 Osvaldo Larrea has played.
What does Osvaldo Larrea play on the first move as White?
Across 77 games with White in our database, Osvaldo Larrea opens with 1.f4 (83% of games), 1.e4 (12% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Osvaldo Larrea answers 1...b6 (43% of games), 1...g6 (38% of games), 1...d6 (6% of games). Against 1.d4: 1...f5 (88% of games), 1...b6 (4% of games), 1...g6 (4% of games).
What openings does Osvaldo Larrea play as White?
As White, Osvaldo Larrea's most-played openings in our database are: Bird's opening (64 games, 28.1% win rate); Sicilian: Grand Prix Attack (4 games, 0.0% win rate); Alekhine Defense (2 games, 50.0% win rate). The full breakdown of 77 games with White is in the table above.
What openings does Osvaldo Larrea play as Black?
As Black, Osvaldo Larrea most often plays: Dutch Defense (28 games, 17.9% win rate); Owen Defense (20 games, 40.0% win rate); Modern Defense (19 games, 15.8% win rate). See the table above for the top ten Black openings across 85 games.
What is Osvaldo Larrea's FIDE rating?
Osvaldo Larrea is currently rated 1,646 in classical chess, 1,790 in rapid and 1,804 in blitz. Peak classical rating: 1,843 (May 2015).
How many games has Osvaldo Larrea played?
Our database contains 162 games by Osvaldo Larrea, covering Nov 2013 to Jul 2026. Overall record: 37 wins, 42 draws, 83 losses (22.8% win rate).
How do I prepare against Osvaldo Larrea?
162 games by Osvaldo Larrea 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.