Strona, Rafael
Current rating: 1552
Record: 4-1-2
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Ribeiro Rolim, Paulo (1446) | Draw 1-1 | -11499 |
| 2sealed | 88 | Souza, Matheus (1500) | Lost 0-2 | -181481 |
| 3sealed | 131 | da Silva Buritizal, Murilo (1482) | Won 2-0 | +181499 |
| 4sealed | 103 | Bongiorni, Lorenzo (1484) | Won 2-0 | +181517 |
| 5sealed | 67 | Lontra, Marcus (1483) | Won 2-0 | +171534 |
| 6sealed | 50 | Monsalve, Andres (1518) | Won 2-1 | +181552 |
| 7sealed | 26 | Zilli Da Silva Jr., Jose (1539) | Draw 1-1 | 01552 |
| average opponent: 1493record: 4-1-2 | new rating: 1552 | |||