Costa, Tome
Current rating: 1569
Record: 10-6
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 185 | Geraldo, Paulo (1516) | Won 2-0 | +181533 |
| 2sealed | 95 | Coimbra, Ivo (1518) | Won 2-0 | +181551 |
| 3sealed | 8 | Posadas Barrios, David (1536) | Lost 0-2 | -191532 |
| 4sealed | 108 | Sancadas, Fabio (1518) | Won 2-0 | +181550 |
| 5sealed | 60 | Melo, Antonio (1537) | Won 2-0 | +181568 |
| 6sealed | 49 | Kessel, Jens (1639) | Won 2-1 | +191587 |
| 7sealed | 33 | Ishii, Kuniyoshi (1702) | Lost 0-2 | -161571 |
| 8sealed | 53 | Ferrer, Andreu (1525) | Lost 0-2 | -191552 |
| 9sealed | 65 | Bugeja, Simon (1483) | Won 2-1 | +171569 |
| average opponent: 1553record: 6-3 | new rating: 1569 | |||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Magalhaes, Abilio (1447) | Won 2-1 | +171517 |
| 2sealed | 41 | Arrieta, Kepa (1419) | Won 2-1 | +161533 |
| 3sealed | 115 | Blanco Taboas, Diego (1536) | Won 2-1 | +181551 |
| 4sealed | 55 | Lopez Campos, Emilio (1637) | Lost 1-2 | -161535 |
| 5sealed | 73 | Barquin, Pablo (1541) | Lost 1-2 | -181517 |
| 6sealed | 278 | Guervilly, Fanch (1405) | Won 2-0 | +161533 |
| 7sealed | 156 | Martin Fernandez, David (1535) | Lost 0-2 | -181515 |
| average opponent: 1503record: 4-3 | new rating: 1515 | |||