Sao Roque Calvo, Jon
Current rating: 1465
Record: 1-3-1
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Serra, Rui (1554) | Draw 1-1 | +11501 |
| 2sealed | 348 | Garcia, Adrian (1499) | Won 2-0 | +181519 |
| 3sealed | 178 | Morata Sierra, Javier (1548) | Lost 0-2 | -181501 |
| 4sealed | 365 | Calvo, Enrique (1500) | Lost 0-2 | -181483 |
| 5sealed | 444 | Macho, Guillermo (1482) | Lost 1-2 | -181465 |
| average opponent: 1517record: 1-3-1 | new rating: 1465 | |||