Martins, Gustavo
Current rating: 1453
Record: 5-8
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 548 | Miller De Oliveira, Rodrigo (1528) | Lost 1-2 | -171429 |
| 2modern | 434 | Dornelas Santos, Gabriel (1482) | Lost 1-2 | -171412 |
| 3modern | 633 | Medeiros, Leonardo (1465) | Won 2-1 | +191431 |
| 4modern | 605 | Feres, Roberto (1421) | Won 2-1 | +181449 |
| 5modern | 368 | Vale, Rafael (1539) | Won 2-1 | +201469 |
| 6modern | 220 | Bior, Thales (1517) | Won 2-1 | +191488 |
| 7modern | 232 | Peixoto Souza, Joao (1538) | Lost 0-2 | -171471 |
| 8modern | 288 | Rosa, Douglas (1503) | Lost 0-2 | -181453 |
| average opponent: 1499record: 4-4 | new rating: 1453 | |||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 226 | Matos, Bruno (1500) | Lost 0-2 | -181482 |
| 2sealed | 305 | Henriques, Jose (1482) | Lost 0-2 | -181464 |
| 3sealed | 305 | Coelho, Eduardo (1464) | Lost 0-2 | -181446 |
| 4sealed | 287 | Folgado, Virginia (1445) | Won 0-0 | +181464 |
| 5sealed | 235 | Braga, Paulo (1464) | Lost 0-2 | -181446 |
| average opponent: 1471record: 1-4 | new rating: 1446 | |||