Bonilla Sierra, Ewaldo
Current rating: 1383
| Grand Prix Madrid 2010 (legacy) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 260 | Martin, Miguel (1500) | Lost 0-2 | -171417 |
| 2legacy | 314 | Dillana Luengo, Javier (1481) | Lost 0-2 | -171400 |
| 3legacy | 484 | Perez Pulido, Daniel (1447) | Lost 0-2 | -171383 |
| top | average opponent: 1476record: 0-3 | new rating: 1383 | ||
| Grand Prix Madrid 2008 (EVE limited) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 232 | Velazquez Lopez, Rafael Omar (1458) | Draw 1-1 | +11428 |
| 2sealed | 199 | Navarro Mendez, Hector (1500) | Draw 1-1 | +11429 |
| 3sealed | 265 | Santos, Andre 2 (1508) | Draw 1-1 | +21431 |
| 4sealed | 303 | Dominguez, Virgilio (1554) | Lost 0-2 | -161415 |
| 5sealed | 279 | Dias, Luis (1452) | Won 2-0 | +191434 |
| top | average opponent: 1494record: 1-1-3 | new rating: 1434 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Ruiz Ariza, David (1500) | Lost 0-2 | -181482 |
| 2sealed | 306 | Tejero, Jorge (1482) | Lost 1-2 | -181464 |
| 3sealed | 316 | Diaz, Jesus (1463) | Lost 0-2 | -181446 |
| 4sealed | 366 | Cruz, Vasco Jose (1447) | Lost 0-2 | -181428 |
| 5sealed | 350 | Matus, Alejandro (1430) | Won 2-0 | +181446 |
| 6sealed | 294 | Fraile, David (1409) | Lost 1-2 | -191427 |
| 7sealed | 254 | Valderrama, Ivan (1428) | Won 2-0 | +181445 |
| 8sealed | 199 | Parras Molto, Marcos (1446) | Lost 0-2 | -181427 |
| top | average opponent: 1451record: 2-6 | new rating: 1427 | ||