Barboni, Antonio Rafael
Current rating: 1538
Record: 5-3
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 518 | Brizzi Machado, Marco Aurelio (1500) | Won 2-1 | +181518 |
| 2modern | 14 | Percario, Nicolas (1586) | Lost 1-2 | -171501 |
| 3modern | 438 | Teles, Christhian Roberto (1553) | Won 2-1 | +191520 |
| 4modern | 243 | Campo, Luis (1518) | Won 2-1 | +181538 |
| 5modern | 149 | Dallago Pioczcovski, Guilherme (1535) | Won 2-1 | +181556 |
| 6modern | 121 | Miyamoto, Marcio Hiroyuki (1563) | Lost 0-2 | -181538 |
| 7modern | 263 | Dassie, Marcio (1524) | Lost 1-2 | -181520 |
| 8modern | 201 | Amaral Di Palma, Bruno (1517) | Won 2-0 | +181538 |
| average opponent: 1537record: 5-3 | new rating: 1538 | |||