Parra, Jeff
Current rating: 1453
Record: 8-11-3
| Grand Prix Barcelona 2018 (modern) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 239 | Femenias, Jose (1500) | Draw 1-1 | -11525 |
| 2modern | 361 | Ramon Fraga, Rafael (1593) | Lost 1-2 | -171508 |
| 3modern | 642 | Pereira, Rui (1496) | Lost 0-2 | -181490 |
| 4modern | 701 | Alonso, Adrian (1449) | Lost 1-2 | -191471 |
| 5modern | 686 | Riquelme Lopez, Juan Luis (1428) | Lost 0-2 | -181453 |
| top | average opponent: 1493record: 0-4-1 | new rating: 1453 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 144 | Bousfield, Callum (1496) | Lost 1-2 | -191518 |
| 4legacy | 302 | Knab, Julian (1617) | Won 2-0 | +201538 |
| 5legacy | 172 | Flury, Julian Felix (1915) | Won 2-0 | +241562 |
| 6legacy | 103 | Pedersen, Frederik Hol (1526) | Lost 1-2 | -181544 |
| 7legacy | 240 | Eskelinen, Jani (1539) | Lost 0-2 | -181526 |
| top | average opponent: 1619record: 2-3 | new rating: 1526 | ||
| Grand Prix Paris 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 435 | Kowalewski, Patrick (1500) | Draw 1-1 | 01500 |
| 2standard | 310 | MORICE, Nicolas (1499) | Lost 1-2 | -181482 |
| 3standard | 592 | Cellerier, Matthias (1453) | Won 2-0 | +171499 |
| 4standard | 641 | Cooper, Ross (1466) | Lost 1-2 | -181481 |
| 5standard | 549 | Dinler, Erdi (1480) | Won 2-0 | +181499 |
| 6standard | 425 | Riquier, Stephane (1595) | Won 1-0 | +201519 |
| 7standard | 318 | Laborie, Maxime (1455) | Won 2-0 | +161535 |
| 8standard | 220 | Huynh, Kim-Lam (1631) | Lost 0-2 | -161519 |
| 9standard | 231 | Hyttel, Lucas (1496) | Won 2-0 | +181537 |
| top | average opponent: 1508record: 5-3-1 | new rating: 1537 | ||
| Grand Prix Paris 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 493 | Pombo, Goncalo (1516) | Draw 1-1 | 01500 |
| 2legacy | 346 | de Boer, Martijn (1483) | Won 2-0 | +181518 |
| 3legacy | 340 | Etcheverry, Francois (1519) | Lost 1-2 | -181500 |
| top | average opponent: 1506record: 1-1-1 | new rating: 1500 | ||