Mathias, Ronaldo
Current rating: 1446
Record: 0-3
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 183 | Carpes Lemos, Cleon (1500) | Lost 0-2 | -181482 |
| 2modern | 196 | Cardoso Oliveira, Marcos Adriano (1481) | Lost 0-2 | -181464 |
| 3modern | 356 | Leandro Jose Castanheira Costa, (1465) | Lost 0-2 | -181446 |
| average opponent: 1482record: 0-3 | new rating: 1446 | |||