Sama De Mayo, Leonardo
Current rating: 1500
Record: 3-3-1
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Soares, Ubiratan Francamar (1500) | Lost 0-2 | -181482 |
| 2sealed | 143 | Moreira, Filipe (1482) | Won 2-0 | +181500 |
| 3sealed | 71 | Vicente Vaz, Alexandre (1500) | Lost 0-2 | -181482 |
| 4sealed | 123 | Matias Cavalcanti De Albuque, (1481) | Draw 1-1 | 01482 |
| 5sealed | 122 | Stein, Kassio (1500) | Won 2-0 | +181500 |
| 6sealed | 95 | Schuh, Daniel (1500) | Won 2-0 | +181518 |
| 7sealed | 71 | Heerdt Veiga, Bruno (1517) | Lost 0-2 | -181500 |
| average opponent: 1497record: 3-3-1 | new rating: 1500 | |||