Pinzon Rios, Jefferson Andres
Current rating: 1504
Record: 7-7
| Grand Prix Bilbao 2019 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 117 | Carrillo Sanfiel, Luis (1500) | Lost 1-2 | -181481 |
| 2modern | 557 | Lam, Philippe (1472) | Won 2-1 | +181499 |
| 3modern | 576 | Donoso Linan, Ferran (1451) | Won 2-1 | +171516 |
| 4modern | 310 | Barbagelata, Diego (1754) | Won 2-0 | +221538 |
| 5modern | 169 | Van Roey, Glenn (1510) | Lost 1-2 | -181520 |
| 6modern | 404 | Lespinas, Didier (1666) | Lost 0-2 | -161504 |
| average opponent: 1559record: 3-3 | new rating: 1504 | |||
| Grand Prix Barcelona 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 273 | Smith, Ben [IRL] (1413) | Lost 0-2 | -201480 |
| 2modern | 561 | Saval Marhuenda, Alberto (1713) | Lost 0-2 | -131467 |
| 3modern | 706 | Lopez, Gorka (1516) | Won 2-1 | +181485 |
| 4modern | 539 | Kourkoulas, Nikolaos (1507) | Lost 1-2 | -171468 |
| 5modern | 648 | Hocquemiller, Vincent (1447) | Lost 0-2 | -191449 |
| 6modern | 617 | Marin Siles, Felipe Javier (1448) | Won 2-0 | +181467 |
| 7modern | 487 | Castillo, Horacio (1396) | Won 2-1 | +171484 |
| 8modern | 393 | Ferrer, Ines (1316) | Won 2-1 | +151499 |
| average opponent: 1469record: 4-4 | new rating: 1499 | |||