Casas, Jon
Current rating: 1443
Record: 3-6
| Grand Prix Bilbao 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 67 | Rocha, Francisco (1372) | Lost 1-2 | -201480 |
| 2extended | 156 | Valverde, Jeronimo (1446) | Lost 0-2 | -191461 |
| 3extended | 184 | Salvador, Borja (1463) | Lost 0-2 | -181443 |
| 4extended | 213 | Hernandez, Eloi Pedra (1464) | Lost 0-2 | -181425 |
| 5extended | 213 | Lopategui, Aritz (1428) | Won 2-0 | +191444 |
| 6extended | 185 | Vallejo Pascual, Inigo (1446) | Lost 0-2 | -181426 |
| 7extended | 167 | Fuente Ortal, Juan Jose (1427) | Won 2-0 | +181444 |
| 8extended | 133 | Gomez, Alvaro (1447) | Lost 1-2 | -181426 |
| 9extended | 105 | Ortega, David (1367) | Won 2-0 | +171443 |
| average opponent: 1429record: 3-6 | new rating: 1443 | |||