Perez Cedres, Aitor
Current rating: 1435
Record: 4-8-1
| Grand Prix Bilbao 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 209 | Belet, Alexandru (1500) | Lost 0-2 | -181482 |
| 2modern | 228 | Bahin, Guillaume (1482) | Lost 1-2 | -181464 |
| 3modern | 367 | Guedj, Thomas (1754) | Lost 1-2 | -121452 |
| 4modern | 474 | Calzada, Albert (1533) | Won 2-1 | +191471 |
| 5modern | 430 | Fernandez, Rodrigo (1463) | Lost 0-2 | -181453 |
| 6modern | 397 | REGUERA MARTINEZ, MARI (1444) | Lost 0-2 | -181435 |
| average opponent: 1529record: 1-5 | new rating: 1435 | |||
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Garcia Lorenzo, David (1462) | Lost 0-2 | -191481 |
| 2standard | 295 | Alsina, Jonathan (1483) | Won 2-0 | +181499 |
| 3standard | 251 | Campagnola, Paul (1533) | Lost 0-2 | -171482 |
| 4standard | 251 | Huezo, Daniel E (1481) | Draw 1-1 | 01482 |
| 5standard | 283 | Martins, Tiago (1480) | Lost 1-2 | -181464 |
| 6standard | 268 | Manders, Fred (1494) | Won 2-0 | +181482 |
| 7standard | 210 | Planas, Hector (1483) | Won 2-0 | +181500 |
| average opponent: 1488record: 3-3-1 | new rating: 1500 | |||