Collell, Aitor
Current rating: 1472
Record: 5-7-2
| Grand Prix Bilbao 2005 (extended) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 458 | Ranilla, Sergio (1500) | Won 2-0 | +191468 |
| 2extended | 416 | Campos, Pedro (1518) | Lost 0-2 | -181450 |
| 3extended | 512 | Rodriquez, Henar (1500) | Won 2-0 | +191469 |
| 4extended | 471 | Barcelo, Toni (1492) | Draw 1-1 | +11470 |
| 5extended | 441 | Urena, Abraham (1521) | Lost 0-2 | -171453 |
| 6extended | 487 | Fuentes, Cesar (1501) | Won 2-0 | +191472 |
| top | average opponent: 1505record: 3-2-1 | new rating: 1472 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Urena, Fernando (1500) | Lost 0-2 | -171430 |
| 2sealed | 507 | Martinez, Manuel 7780 (1483) | Won 2-0 | +191449 |
| top | average opponent: 1492record: 1-1 | new rating: 1449 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 270 | Yao Tham Sao, David (1502) | Lost 0-2 | -181464 |
| 2sealed | 246 | Quintana, Lain (1445) | Lost 0-2 | -181446 |
| 3sealed | 336 | Roca, Ruben (1464) | Won 2-0 | +181464 |
| 4sealed | 341 | Vazquez, Juan (1482) | Lost 1-2 | -171447 |
| top | average opponent: 1473record: 1-3 | new rating: 1447 | ||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | Soares, Paulo (1500) | Draw 1-1 | 01500 |
| 2sealed | 156 | URDIALES, ALBERTO (1500) | Lost 0-2 | -181482 |
| top | average opponent: 1500record: 0-1-1 | new rating: 1482 | ||