Leonardo Paiva Nunes, Silton
Current rating: 1517
Record: 4-3
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Schaidhauer, Diego Dias (1500) | Won 2-1 | +181518 |
| 2sealed | 10 | Glasser, Roger (1518) | Won 2-1 | +181536 |
| 3sealed | 28 | Campana, Rubens (1536) | Lost 0-2 | -181518 |
| 4sealed | 89 | Puhl, Mauro (1517) | Won 2-0 | +181536 |
| 5sealed | 56 | Rivero, Federico (1516) | Lost 0-2 | -181518 |
| 6sealed | 62 | Schmidel, Antonio (1465) | Lost 0-2 | -191499 |
| 7sealed | 79 | Mathias Cavalcanti De Albuqu, (1499) | Won 2-0 | +181517 |
| average opponent: 1507record: 4-3 | new rating: 1517 | |||