Fernandez, Ernesto
Current rating: 1487
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 407 | Arcones Castro, Manuel (1501) | Won 2-0 | +191469 |
| 2sealed | 133 | Gonzalez Esteban, Daniel (1499) | Lost 0-2 | -171452 |
| 3sealed | 310 | Collado, Victor (1501) | Won 2-0 | +191471 |
| 4sealed | 357 | Rodriguez, Marco Antonio (1496) | Won 2-1 | +181489 |
| 5sealed | 172 | Marques, Diogo (1543) | Won 2-0 | +191508 |
| 6sealed | 91 | Gerschenson, Immanuel (1999) | Won 2-1 | +261534 |
| 7sealed | 26 | Monsieurs, Patrick (1646) | Lost 1-2 | -161518 |
| 8sealed | 99 | Rodrigues, Hugo (1762) | Lost 1-2 | -131505 |
| 9sealed | 186 | Laranjeira, Ricardo (1520) | Lost 0-2 | -181487 |
| top | average opponent: 1607record: 5-4 | new rating: 1487 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Colomina, Javier (1453) | Lost 0-2 | -181448 |
| 2sealed | 407 | Sanchis, Vedast (1482) | Draw 1-1 | +11449 |
| 3sealed | 485 | Ferrer, Andreu (1482) | Won 2-0 | +181467 |
| 4sealed | 360 | Prado Enrico, Juan Manuel (1447) | Lost 0-2 | -181449 |
| 5sealed | 439 | Fernandez, Guillermo 4415 (1482) | Lost 0-2 | -171432 |
| 6sealed | 422 | Canovas, Julio (1465) | Won 2-0 | +181450 |
| top | average opponent: 1469record: 2-3-1 | new rating: 1450 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 300 | Diaz Marquez, Jordan (1541) | Lost 0-2 | -171483 |
| 2sealed | 338 | Pallerols, Jordi (1482) | Lost 0-2 | -181465 |
| 3sealed | 324 | Ariza Toscano, Pablo (1465) | Won 2-0 | +181483 |
| 4sealed | 309 | Baldellon Robayna, Cesar (1482) | Lost 0-2 | -181465 |
| 5sealed | 305 | Parras Molto, Marcos (1464) | Won 2-1 | +181483 |
| 6sealed | 226 | Pauling, Owen (1575) | Lost 0-2 | -171466 |
| top | average opponent: 1501record: 2-4 | new rating: 1466 | ||