Vignatti, Nahuel
Current rating: 1508
Record: 6-6
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 28 | Dominguez, Gonzalo (1765) | Won 2-0 | +221545 |
| 2standard | 72 | Giacosa, Cesar (1473) | Won 2-1 | +171562 |
| 3standard | 13 | Toledo Diaz, Sebastian Antonio (1486) | Lost 0-2 | -191543 |
| 4standard | 178 | Bindelli, Maximo (1580) | Lost 0-2 | -181525 |
| 5standard | 156 | Zacharski, Juan Jose (1580) | Lost 1-2 | -171508 |
| average opponent: 1577record: 2-3 | new rating: 1508 | |||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 60 | Nicoletti, Joaquin (1518) | Lost 1-2 | -181482 |
| 4standard | 60 | Britez, Maximiliano (1506) | Won 2-0 | +191501 |
| 5standard | 60 | de Lima, Marcus (1501) | Won 2-0 | +181519 |
| 6standard | 12 | Orge, Fernando (1698) | Lost 0-2 | -151504 |
| 7standard | 60 | Latriglia, Juan Tupac (1520) | Won 2-0 | +181522 |
| 8standard | 60 | de la Fuente Catalan, Francisco Alejandro (1536) | Lost 1-2 | -171505 |
| 9standard | 60 | Pellegrini, Matias (1536) | Won 2-0 | +181523 |
| average opponent: 1545record: 4-3 | new rating: 1523 | |||