Prepare against Guillermo Hiriart
CM · URY · World #66,067 classical · FIDE ID 3004538
When preparing against Guillermo Hiriart, expect 1.e4 in 91% of White games. Against 1.e4 the reply is 1...c6 (25% of games); against 1.d4, 1...Nf6 (39%). Lowest win rate among frequent openings: Sicilian as White, 26.7% over 15 games.
Our database contains 93 games by Guillermo Hiriart, covering Jan 2012 to Aug 2026. Below you'll find Guillermo Hiriart's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Guillermo Hiriart 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 | 1,834 | 2,066 | Aug 2013 |
| Rapid | 1,845 | 1,919 | Sep 2025 |
| Blitz | 1,875 | 2,055 | Sep 2013 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 93 | 33 | 14 | 46 | 35.5% |
| As White | 44 | 16 | 10 | 18 | 36.4% |
| As Black | 49 | 17 | 4 | 28 | 34.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Guillermo Hiriart's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Guillermo Hiriart's side.
First moves as White (44 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 40 | 90.9% | 47.5% |
| Nf3 | 3 | 6.8% | 50.0% |
| d4 | 1 | 2.3% | 50.0% |
Main lines as White
- 1.e4 — 91% of White games, 47.5% score
- …c5 (38% of these games) — Hiriart usually continues Bc4 (37.5% score)
- …e5 (23% of these games) — Hiriart usually continues Bc4 (64.3% score)
- …e6 (20% of these games) — Hiriart usually continues d4 (83.3% score)
- 1.Nf3 — 7% of White games, 50.0% score
- …Nf6 (67% of these games) — Hiriart usually continues d4 (75.0% score)
- …g6 (33% of these games) — Hiriart usually continues d4 (0.0% score)
As Black against 1.e4 (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 6 | 25.0% | 25.0% |
| d6 | 6 | 25.0% | 58.3% |
| e5 | 4 | 16.7% | 0.0% |
| c5 | 4 | 16.7% | 37.5% |
| d5 | 3 | 12.5% | 16.7% |
| b6 | 1 | 4.2% | 0.0% |
As Black against 1.d4 (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 38.9% | 28.6% |
| d6 | 5 | 27.8% | 60.0% |
| e6 | 4 | 22.2% | 50.0% |
| c6 | 2 | 11.1% | 50.0% |
Guillermo Hiriart's chess games
All 93 games by Guillermo Hiriart in the Chess.ceo database (Jan 2012 - 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: 33 wins, 14 draws, 46 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 15 | 4/3/8 | 26.7% |
| C24 | Bishop's Opening | 6 | 3/1/2 | 50.0% |
| C00 | French Defense | 5 | 0/1/4 | 0.0% |
| C05 | French: Tarrasch Variation | 3 | 2/1/0 | 66.7% |
| B06 | Modern Defense | 3 | 2/0/1 | 66.7% |
| B07 | Pirc Defense | 2 | 1/0/1 | 50.0% |
| A46 | Queen's Indian Defense | 1 | 0/1/0 | 0.0% |
| C84 | Ruy Lopez: Morphy Defense | 1 | 0/0/1 | 0.0% |
| B01 | Scandinavian Defense | 1 | 1/0/0 | 100.0% |
| C45 | Scotch Game | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B12 | Pirc Defense | 7 | 4/1/2 | 57.1% |
| A90 | Horwitz Defense | 4 | 2/0/2 | 50.0% |
| A05 | Réti Opening | 3 | 1/0/2 | 33.3% |
| A50 | Indian Defense | 3 | 1/0/2 | 33.3% |
| A25 | English Opening: Reverse Sicilian | 2 | 2/0/0 | 100.0% |
| B18 | Caro-Kann: Classical | 2 | 0/0/2 | 0.0% |
| A42 | Queen's Pawn Game | 2 | 0/0/2 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 2 | 1/0/1 | 50.0% |
| B07 | Caro-Kann | 2 | 0/1/1 | 0.0% |
| A41 | Rat Defense | 2 | 2/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2000 | Gaston Carlos Andretta | 2,205 | Buenos Aires Clas Abierto Open | A81 |
| Jul 2026 | Juan Pablo Roselli | 2,123 | Campeonato Uruguayo 2026 | Blitz | C24 |
| Jan 2004 | Emilio Viera | 2,120 | chT-URU 31st | B12 |
| Nov 2011 | Jorge Cao | 2,105 | Latin Cup | C10 |
| Nov 2011 | Ubaldo Belistri | 2,051 | Latin Cup | B06 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Latin Cup | 2011 | 9 | 4 | 2,048 |
| ch-URU sf | 2014 | 9 | 4.5 | 1,789 |
| Montevideo zt 2.5 | 2013 | 9 | 4.5 | 2,066 |
| chTA-URU | 2017 | 8 | 3 | 1,867 |
| Montevideo Nazzari Memorial | 2019 | 7 | 3.5 | 1,841 |
| Uruguayo Interclubes por Equipos 2026 | Blitz | 2026 | 6 | 1.5 | 1,694 |
| Campeonato Uruguayo 2026 | Blitz | 2026 | 6 | 2 | 1,931 |
| ch-URU Prel Azul | 2001 | 5 | 3 | 2,297 |
Interactive opening tree from all 93 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Guillermo Hiriart's chess games?
93 games by Guillermo Hiriart, from Jan 2012 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 Guillermo Hiriart has played.
What does Guillermo Hiriart play on the first move as White?
Across 44 games with White in our database, Guillermo Hiriart opens with 1.e4 (91% of games), 1.Nf3 (7% of games), 1.d4 (2% of games). Against 1.e4 as Black, Guillermo Hiriart answers 1...c6 (25% of games), 1...d6 (25% of games), 1...e5 (17% of games). Against 1.d4: 1...Nf6 (39% of games), 1...d6 (28% of games), 1...e6 (22% of games).
What openings does Guillermo Hiriart play as White?
As White, Guillermo Hiriart's most-played openings in our database are: Sicilian (15 games, 26.7% win rate); Bishop's Opening (6 games, 50.0% win rate); French Defense (5 games, 0.0% win rate). The full breakdown of 44 games with White is in the table above.
What openings does Guillermo Hiriart play as Black?
As Black, Guillermo Hiriart most often plays: Pirc Defense (7 games, 57.1% win rate); Horwitz Defense (4 games, 50.0% win rate); Réti Opening (3 games, 33.3% win rate). See the table above for the top ten Black openings across 49 games.
What is Guillermo Hiriart's FIDE rating?
Guillermo Hiriart is currently rated 1,834 in classical chess, 1,845 in rapid and 1,875 in blitz. Peak classical rating: 2,066 (Aug 2013).
How many games has Guillermo Hiriart played?
Our database contains 93 games by Guillermo Hiriart, covering Jan 2012 to Aug 2026. Overall record: 33 wins, 14 draws, 46 losses (35.5% win rate).
How do I prepare against Guillermo Hiriart?
93 games by Guillermo Hiriart 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.