Valles, Oscar
Current rating: 1518
Record: 3-2
| Grand Prix Barcelona 1999 (USG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 58 | Fuentes, Hector (1500) | Won 0-0 | +181518 |
| 3sealed | 54 | Bertos, Nicolas (1518) | Lost 0-0 | -181500 |
| 4sealed | 108 | Nunes, Goncalo (1535) | Won 0-0 | +191519 |
| 5sealed | 44 | Benson, Gordon (1498) | Lost 0-0 | -191500 |
| 6sealed | 74 | Decock, Jerome (1500) | Won 0-0 | +181518 |
| average opponent: 1510record: 3-2 | new rating: 1518 | |||