Vallerga, Nahuel
Current rating: 1368
Record: 2-10-1
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1392 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 241 | Schwartz, Adam (1500) | Won 2-0 | +201412 |
| 2standard | 31 | Ortiz, Francisco (1473) | Won 2-1 | +191431 |
| 3standard | 10 | Rodriguez, Agustina (1523) | Lost 0-2 | -171414 |
| 4standard | 83 | Cortez, Paulo Ricardo (1621) | Lost 1-2 | -141400 |
| 5standard | 163 | Rojas, Guido (1505) | Lost 0-2 | -161384 |
| 6standard | 222 | Conca, Maximiliano (1488) | Lost 1-2 | -161368 |
| average opponent: 1518record: 2-4 | new rating: 1368 | |||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 146 | Crusius, Matheus (1522) | Lost 1-2 | -181482 |
| 2standard | 265 | Snaider, Jhonatan (1476) | Lost 0-2 | -181464 |
| 3standard | 384 | Paiva Luquez, Gustavo (1487) | Lost 0-2 | -171447 |
| 4standard | 413 | Arrostito, Andres (1465) | Draw 1-1 | 01447 |
| 5standard | 391 | Sanabria, Marcelo (1447) | Lost 0-2 | -181429 |
| 6standard | 351 | Blanco, Juan Manuel (1446) | Lost 0-1 | -181411 |
| 7standard | 301 | Pacheco, Marcus (1311) | Lost 0-2 | -191392 |
| average opponent: 1451record: 0-6-1 | new rating: 1392 | |||