Prepare against Heidy Jurado Grefa
Ecuador · World #66,551 classical · FIDE ID 3636836
When preparing against Heidy Jurado Grefa, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e6 (50% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 40 games by Heidy Jurado Grefa, covering Feb 2019 to Jul 2026. Below you'll find Heidy Jurado Grefa's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Heidy Jurado Grefa 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 | 1,833 | 1,833 | Jul 2026 |
| Rapid | 1,742 | 1,750 | Mar 2024 |
| Blitz | 1,710 | 1,760 | Nov 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 40 | 16 | 9 | 15 | 40.0% |
| As White | 20 | 9 | 5 | 6 | 45.0% |
| As Black | 20 | 7 | 4 | 9 | 35.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Heidy Jurado Grefa's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Heidy Jurado Grefa's side.
First moves as White (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 20 | 100.0% | 57.5% |
Main lines as White
- 1.e4 — 100% of White games, 57.5% score
- …c5 (40% of these games) — Grefa usually continues Nf3 (68.8% score)
- …e5 (40% of these games) — Grefa usually continues Nf3 (62.5% score)
- …d5 (10% of these games) — Grefa usually continues exd5 (0.0% score)
As Black against 1.e4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 6 | 50.0% | 33.3% |
| c5 | 6 | 50.0% | 33.3% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 100.0% | 57.1% |
Heidy Jurado Grefa's chess games
All 40 games by Heidy Jurado Grefa in the Chess.ceo database (Feb 2019 - 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: 16 wins, 9 draws, 15 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B74 | Sicilian | 4 | 4/0/0 | 100.0% |
| C60 | Ruy Lopez: Fianchetto | 2 | 1/1/0 | 50.0% |
| C54 | Italian Game: Classical Variation | 1 | 0/0/1 | 0.0% |
| C42 | Petrov's Defense | 1 | 0/0/1 | 0.0% |
| C64 | Ruy Lopez | 1 | 1/0/0 | 100.0% |
| C67 | Ruy Lopez: Berlin Defense | 1 | 1/0/0 | 100.0% |
| C64 | Ruy Lopez: Classical | 1 | 0/1/0 | 0.0% |
| C92 | Ruy Lopez: Closed | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense | 1 | 0/1/0 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E61 | Indian Defense | 3 | 2/0/1 | 66.7% |
| C05 | French: Tarrasch Variation | 2 | 1/0/1 | 50.0% |
| C02 | French: Advance Variation | 2 | 0/0/2 | 0.0% |
| E81 | King's Indian: Sämisch | 2 | 0/1/1 | 0.0% |
| B54 | Sicilian | 2 | 0/1/1 | 0.0% |
| E70 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
| E97 | King's Indian Defense: Orthodox Variation | 1 | 1/0/0 | 100.0% |
| B70 | Sicilian: Dragon | 1 | 1/0/0 | 100.0% |
| A48 | London System | 1 | 0/1/0 | 0.0% |
| B52 | Sicilian: Moscow Variation | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2024 | Lucy Brinovec | 1,705 | World Youth Girls U18 | C67 |
| Nov 2024 | Susanne Wiggen Larsson | 1,493 | World Youth Girls U18 | D79 |
| Nov 2019 | Ana Isabella Acosta Camarillo | 1,398 | ch-Pan American School U13 Girls | C64 |
| Jan 2022 | Antonella Salome Buenano Silva | 1,345 | ch-South America U14 Girls 17th | C60 |
| Jan 2022 | Maria Jose Orbe Vivero | 1,295 | ch-South America U14 Girls 17th | B38 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| World Youth Girls U18 | 2024 | 11 | 4.5 | 1,760 |
| ch-South America U14 Girls 17th | 2022 | 9 | 6 | 1,516 |
| ch-Pan American School U13 Girls | 2019 | 8 | 6.5 | 1,521 |
| ch-Pan American U12 Girls | 2019 | 6 | 1.5 | 1,284 |
| ch-ECU U18 w | 2023 | 4 | 2 | 1,163 |
| ch-ECU U16 Girls | 2019 | 2 | 0 | 949 |
Interactive opening tree from all 40 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Heidy Jurado Grefa's chess games?
40 games by Heidy Jurado Grefa, from Feb 2019 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 Heidy Jurado Grefa has played.
What does Heidy Jurado Grefa play on the first move as White?
Across 20 games with White in our database, Heidy Jurado Grefa opens with 1.e4 (100% of games). Against 1.e4 as Black, Heidy Jurado Grefa answers 1...e6 (50% of games), 1...c5 (50% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Heidy Jurado Grefa play as White?
As White, Heidy Jurado Grefa's most-played openings in our database are: Sicilian (4 games, 100.0% win rate); Ruy Lopez: Fianchetto (2 games, 50.0% win rate); Italian Game: Classical Variation (1 games, 0.0% win rate). The full breakdown of 20 games with White is in the table above.
What openings does Heidy Jurado Grefa play as Black?
As Black, Heidy Jurado Grefa most often plays: Indian Defense (3 games, 66.7% win rate); French: Tarrasch Variation (2 games, 50.0% win rate); French: Advance Variation (2 games, 0.0% win rate). See the table above for the top ten Black openings across 20 games.
What is Heidy Jurado Grefa's FIDE rating?
Heidy Jurado Grefa is currently rated 1,833 in classical chess, 1,742 in rapid and 1,710 in blitz. Peak classical rating: 1,833 (Jul 2026).
How many games has Heidy Jurado Grefa played?
Our database contains 40 games by Heidy Jurado Grefa, covering Feb 2019 to Jul 2026. Overall record: 16 wins, 9 draws, 15 losses (40.0% win rate).
How do I prepare against Heidy Jurado Grefa?
40 games by Heidy Jurado Grefa 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.