Prepare against Miriam Parkhurst Casas
WFM · Mexico · World #23,262 classical · FIDE ID 5116520
When preparing against Miriam Parkhurst Casas, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e5 (100% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 83 games by Miriam Parkhurst Casas, covering Sep 2011 to Jul 2026. Below you'll find Miriam Parkhurst Casas's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Miriam Parkhurst Casas 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 | 2,031 | 2,032 | Jun 2026 |
| Rapid | 1,903 | 1,967 | Oct 2024 |
| Blitz | 1,977 | 1,977 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 83 | 32 | 20 | 31 | 38.6% |
| As White | 42 | 22 | 8 | 12 | 52.4% |
| As Black | 41 | 10 | 12 | 19 | 24.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Miriam Parkhurst Casas's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Miriam Parkhurst Casas's side.
First moves as White (42 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 42 | 100.0% | 61.9% |
Main lines as White
- 1.e4 — 100% of White games, 61.9% score
- …c5 (45% of these games) — Casas usually continues Nf3 (63.2% score)
- …c6 (12% of these games) — Casas usually continues d4 (60.0% score)
- …e6 (12% of these games) — Casas usually continues d4 (50.0% score)
As Black against 1.e4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 22 | 100.0% | 40.9% |
As Black against 1.d4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 12 | 100.0% | 29.2% |
Miriam Parkhurst Casas's chess games
All 83 games by Miriam Parkhurst Casas in the Chess.ceo database (Sep 2011 - 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: 32 wins, 20 draws, 31 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B41 | Sicilian | 13 | 6/4/3 | 46.2% |
| C02 | French: Advance Variation | 4 | 2/0/2 | 50.0% |
| B80 | Sicilian: Najdorf | 3 | 2/1/0 | 66.7% |
| B06 | Pirc Defense | 3 | 3/0/0 | 100.0% |
| B01 | Scandinavian Defense: Main Line | 3 | 0/0/3 | 0.0% |
| C41 | Philidor | 2 | 1/0/1 | 50.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 1/0/1 | 50.0% |
| B15 | Caro-Kann: Main Line | 2 | 1/0/1 | 50.0% |
| C54 | Italian Game | 2 | 1/1/0 | 50.0% |
| C54 | Italian Game: Classical Variation | 2 | 1/1/0 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C60 | Ruy Lopez | 7 | 2/4/1 | 28.6% |
| A18 | English Opening | 5 | 2/1/2 | 40.0% |
| E38 | Nimzo-Indian: Classical Variation | 4 | 1/0/3 | 25.0% |
| E11 | Bogo-Indian Defense | 4 | 1/1/2 | 25.0% |
| C78 | Ruy Lopez: Morphy Defense | 4 | 1/1/2 | 25.0% |
| B14 | Nimzo-Indian: Rubinstein System | 3 | 1/0/2 | 33.3% |
| C45 | Scotch Game | 3 | 0/1/2 | 0.0% |
| C55 | Italian Game | 2 | 0/0/2 | 0.0% |
| A03 | Bird's opening | 1 | 0/0/1 | 0.0% |
| C26 | Vienna Game | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2020 | Lela Javakhishvili | 2,475 | Djerba Online w | E11 |
| Jun 2020 | Olga Sikorova | 2,212 | Djerba Online w | A34 |
| Jun 2020 | Ingrid Y Aliaga Fernandez | 2,191 | Djerba Online w | B80 |
| Nov 2016 | Carla Heredia Serrano | 2,103 | ch-Pan American w | C02 |
| Jul 2013 | Jorcerys Montilla Reyes | 2,092 | ch-Pan American U18 Girls 24th | B33 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Djerba Online w | 2020 | 16 | 8 | 1,910 |
| ch-Euskadi | 2023 | 12 | 4.5 | 1,960 |
| ch-Pan American U18 Girls 24th | 2013 | 9 | 4.5 | 2,000 |
| ch-Pan American U20 Girls | 2015 | 9 | 6 | 1,995 |
| ch-Pan American w | 2016 | 9 | 3.5 | 2,082 |
| 9th American Continental w | 2016 | 9 | 4.5 | 1,902 |
| Olympiad Women-42 | 2016 | 8 | 4.5 | 1,977 |
| ch-MEX U26 w | 2019 | 6 | 3.5 | 1,762 |
Interactive opening tree from all 83 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Miriam Parkhurst Casas's chess games?
83 games by Miriam Parkhurst Casas, from Sep 2011 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 Miriam Parkhurst Casas has played.
What does Miriam Parkhurst Casas play on the first move as White?
Across 42 games with White in our database, Miriam Parkhurst Casas opens with 1.e4 (100% of games). Against 1.e4 as Black, Miriam Parkhurst Casas answers 1...e5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Miriam Parkhurst Casas play as White?
As White, Miriam Parkhurst Casas's most-played openings in our database are: Sicilian (13 games, 46.2% win rate); French: Advance Variation (4 games, 50.0% win rate); Sicilian: Najdorf (3 games, 66.7% win rate). The full breakdown of 42 games with White is in the table above.
What openings does Miriam Parkhurst Casas play as Black?
As Black, Miriam Parkhurst Casas most often plays: Ruy Lopez (7 games, 28.6% win rate); English Opening (5 games, 40.0% win rate); Nimzo-Indian: Classical Variation (4 games, 25.0% win rate). See the table above for the top ten Black openings across 41 games.
What is Miriam Parkhurst Casas's FIDE rating?
Miriam Parkhurst Casas is currently rated 2,031 in classical chess, 1,903 in rapid and 1,977 in blitz. Peak classical rating: 2,032 (Jun 2026).
How many games has Miriam Parkhurst Casas played?
Our database contains 83 games by Miriam Parkhurst Casas, covering Sep 2011 to Jul 2026. Overall record: 32 wins, 20 draws, 31 losses (38.6% win rate).
How do I prepare against Miriam Parkhurst Casas?
83 games by Miriam Parkhurst Casas 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.