Ruiz Muriel, David
Current rating: 1487
Record: 5-6
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 288 | Vale, Vladimir (1500) | Won 2-0 | +191501 |
| 2sealed | 119 | Soldevila, Jordi (1655) | Lost 1-2 | -151486 |
| 3sealed | 382 | Romero Melero, Jose Luis (1500) | Won 2-0 | +181504 |
| 4sealed | 289 | Sapina, Sergio (1517) | Won 2-0 | +181522 |
| 5sealed | 156 | Alfonso Macia, Javier (1572) | Lost 0-2 | -171505 |
| 6sealed | 197 | Gonzalez, Jose (1504) | Lost 0-2 | -181487 |
| average opponent: 1541record: 3-3 | new rating: 1487 | |||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 159 | Garcia, Francisco (1481) | Won 2-1 | +181518 |
| 2sealed | 185 | Fajardo, Luis (1606) | Lost 0-2 | -171501 |
| 3sealed | 143 | Ibanez, Ruben (1500) | Won 2-0 | +181519 |
| 4sealed | 147 | Costa, Carlos (1560) | Lost 1-2 | -171502 |
| 5sealed | 182 | Cobo Cuenca, Antonio (1419) | Lost 0-2 | -201482 |
| average opponent: 1513record: 2-3 | new rating: 1482 | |||