Lopez, Guilherme
Current rating: 1500
Record: 3-3
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 47 | Andrade, Lucas3349 (1500) | Lost 0-2 | -181482 |
| 2modern | 242 | Gazzinelli e Silva, Andre (1482) | Won 2-0 | +181500 |
| 3modern | 208 | Cejas, Diego Esteban (1490) | Lost 1-2 | -181482 |
| 4modern | 335 | Guedes, Gabriel (1447) | Won 2-0 | +171499 |
| 5modern | 205 | Domingues, Aleksander (1518) | Won 2-1 | +191518 |
| 6modern | 134 | Rojas, Guido (1562) | Lost 0-2 | -181500 |
| average opponent: 1500record: 3-3 | new rating: 1500 | |||