Parra Vargas, Diego Alejandro
Current rating: 1522
Record: 16-15-2
| Grand Prix Bologna 2019 (legacy) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 213 | Knopf, Felix (1507) | Lost 1-2 | -181484 |
| 3legacy | 347 | Pilati, Mario (1450) | Won 2-1 | +171501 |
| 4legacy | 387 | Slavov, Miroslav (1597) | Lost 0-2 | -161485 |
| 5legacy | 351 | Arcidiacono, Luca (1465) | Won 2-0 | +181503 |
| 6legacy | 323 | Vianini, Lorenzo (1499) | Lost 0-2 | -181485 |
| 7legacy | 376 | Chaffange, Pascal (1525) | Won 2-1 | +181503 |
| 8legacy | 279 | Gaudini, Paolo (1518) | Won 2-0 | +191522 |
| top | average opponent: 1509record: 4-3 | new rating: 1522 | ||
| Grand Prix Bilbao 2019 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 240 | Sten, Nisil-Petter (1429) | Won 2-1 | +161519 |
| 2modern | 288 | Martorell Gonzalez, Joan (1492) | Won 2-1 | +181537 |
| 3modern | 247 | Baptista, Ricardo Filipe (1605) | Lost 1-2 | -171520 |
| 4modern | 209 | Colomino Pedro, David (1520) | Lost 0-2 | -181502 |
| 5modern | 591 | Aldrighetti, Fabio (1451) | Lost 0-2 | -191483 |
| 6modern | 565 | Jean-Armand, Colin (1483) | Won 2-0 | +181501 |
| 7modern | 455 | Robles, Juan (1486) | Won 2-0 | +181519 |
| 8modern | 342 | Bremer, Florian (1570) | Lost 0-2 | -171502 |
| top | average opponent: 1505record: 4-4 | new rating: 1502 | ||
| Grand Prix Barcelona 2018 (modern) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 299 | Gerschenson, Immanuel (1994) | Lost 1-2 | -101558 |
| 4modern | 288 | Mariusdottir, Thorey (1514) | Lost 1-2 | -191539 |
| 5modern | 415 | Gueler Berdasco, Fernando (1643) | Lost 1-2 | -161523 |
| 6modern | 493 | Bris, Victor (1416) | Lost 1-2 | -201503 |
| top | average opponent: 1642record: 0-4 | new rating: 1503 | ||
| Grand Prix Seville 2015 (FRF standard) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Vinha, Joao (1500) | Won 2-0 | +161590 |
| 2standard | 124 | Jakob, Damien (1518) | Draw 1-1 | -11589 |
| 3standard | 185 | Dominguez Blanco, Olmo (1527) | Won 2-1 | +171606 |
| 4standard | 101 | Ferrer Rozalen, Sergio (1486) | Lost 0-2 | -201586 |
| 5standard | 173 | Luque Gonzalez, Julio Cesar (1621) | Lost 1-2 | -181568 |
| top | average opponent: 1530record: 2-2-1 | new rating: 1568 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 407 | Rubio De Torres, Pablo (1497) | Draw 1-1 | 01500 |
| 2modern | 446 | Cappalunga, Giulio (1565) | Won 2-0 | +191519 |
| 3modern | 434 | Sierra Infante, Angel (1517) | Won 2-0 | +181537 |
| 4modern | 431 | Del Campo Ortiz, David (1517) | Won 2-1 | +181555 |
| 5modern | 111 | Vlach, Vaclav (1475) | Won 2-1 | +161571 |
| 6modern | 57 | Ossorio Alfaro, Eduardo (1573) | Lost 0-2 | -181553 |
| 7modern | 598 | Echague, Eduardo (1629) | Won 2-1 | +201573 |
| 8modern | 88 | Leveratto, Matias (1626) | Lost 0-2 | -171556 |
| 9modern | 354 | Ignacio, Pulido (1555) | Won 2-0 | +181574 |
| top | average opponent: 1550record: 6-2-1 | new rating: 1574 | ||