Perona, Arthur
Current rating: 1506
Record: 4-4
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 5 | Aparecido Araujo, Leandro (1500) | Won 2-1 | +181518 |
| 2modern | 129 | De Souza Junior, Francisco Carlos (1539) | Won 2-1 | +181536 |
| 3modern | 56 | Guimaraes, Maycon (1626) | Lost 1-2 | -161520 |
| 4modern | 181 | De Oliveira Rosa, Lucas Rodolfo (1517) | Lost 1-2 | -181502 |
| 5modern | 300 | Vieira Ramalho, Bruno (1586) | Won 2-1 | +191521 |
| 6modern | 256 | Blanco, Lourenco (1514) | Won 2-0 | +181539 |
| 7modern | 216 | Branco, Icaro (1625) | Lost 0-2 | -161523 |
| 8modern | 247 | Cartasso, Anibal (1561) | Lost 0-2 | -171506 |
| average opponent: 1558record: 4-4 | new rating: 1506 | |||