dos Santos Passos, Ronei
Current rating: 1567
Record: 12-8-1
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 69 | Grana, Pedro (1553) | Won 2-1 | +181557 |
| 2sealed | 41 | Silbermann Zilberdrut, Joel (1518) | Won 2-0 | +171574 |
| 3sealed | 3 | Cabrera Tiznado, Alvaro (1536) | Won 2-1 | +171591 |
| 4sealed | 22 | Gutierrez, Jose (1544) | Draw 1-1 | 01591 |
| 5sealed | 20 | Roca Suarez, Diego (1536) | Lost 0-2 | -191572 |
| 6sealed | 46 | Ventura, Roberto (1556) | Won 2-1 | +171589 |
| 7sealed | 28 | Seratti, Agustin (1506) | Won 2-0 | +171606 |
| 8rochester | 26 | Pereira, Ivan (1573) | Won 1-0 | +171623 |
| 9rochester | 23 | de Diego, Pedro (1604) | Lost 1-2 | -181605 |
| 10rochester | 30 | Fernandez, Claudio (1557) | Lost 1-2 | -191586 |
| 11rochester | 2 | Camara, Aristides (1545) | Lost 0-2 | -191567 |
| average opponent: 1548record: 6-4-1 | new rating: 1567 | |||
| Grand Prix Curitiba 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 58 | Villa, Leonardo mib (1500) | Won 2-1 | +181518 |
| 4extended | 5 | Barcelos, Hederson (1518) | Won 2-0 | +181536 |
| 5extended | 9 | Castro, Rodrigo Cesar (1549) | Won 2-1 | +181554 |
| 6extended | 9 | Lucindo, Fabiano (1540) | Lost 0-2 | -181536 |
| 7extended | 25 | Shvartsman, Alex (1713) | Lost 1-2 | -151521 |
| 9extended | 30 | Andrade, Marcelo T (1503) | Won 2-0 | +181539 |
| 10extended | 22 | Huerta, Pablo (1636) | Won 2-1 | +201559 |
| 11extended | 19 | Poplawski Brandao, Eduardo (1541) | Lost 0-2 | -191540 |
| 12extended | 23 | Ostrovich, Diego (1628) | Won 2-1 | +201560 |
| 13extended | 18 | Longo Junior, Sergio (1375) | Lost 0-2 | -211539 |
| average opponent: 1550record: 6-4 | new rating: 1539 | |||