Osma, Diego
Current rating: 1464
Record: 1-3
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 52 | Hernandez Lizana, Francisco (1489) | Won 2-0 | +181518 |
| 2standard | 101 | Ravagli, Luca (1553) | Lost 0-2 | -181500 |
| 3standard | 169 | Lopez Mellado, Raul (1499) | Lost 0-2 | -181482 |
| 4standard | 270 | Jurado Torras, David (1484) | Lost 0-2 | -181464 |
| average opponent: 1506record: 1-3 | new rating: 1464 | |||