Bongiorni, Lorenzo
Current rating: 1466
Record: 1-3-1
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 57 | Rodriguez, Camilo (1518) | Draw 1-1 | 01500 |
| 3sealed | 54 | Franco, Andre (1571) | Lost 1-2 | -161484 |
| 4sealed | 103 | Strona, Rafael (1499) | Lost 0-2 | -181466 |
| 5sealed | 126 | Lorenzoni, Leonardo (1482) | Won 2-0 | +181484 |
| 6sealed | 96 | Matarazzo, Bruno (1466) | Lost 0-2 | -181466 |
| average opponent: 1507record: 1-3-1 | new rating: 1466 | |||