Costillo Rosales, Cesar
Current rating: 1428
Record: 2-6
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Cruz, David F (1500) | Lost 0-2 | -181482 |
| 2sealed | 204 | Saracho Vargas, Juanpablo (1482) | Lost 1-2 | -181464 |
| 3sealed | 284 | Gutierrez, Oscar [MEX] (1464) | Lost 1-2 | -181446 |
| 4sealed | 304 | mendoza, alfredo (1446) | Lost 0-2 | -181428 |
| 5sealed | 312 | Rostro Padron, Ruben Adrian (1428) | Lost 0-2 | -181410 |
| 6sealed | 292 | Hernandez Blanco, Ricardo Je (1410) | Won 2-0 | +181428 |
| 7sealed | 259 | rios, elias (1428) | Won 2-0 | +181446 |
| 8sealed | 229 | Flores Lopez, Edgar Gerardo (1447) | Lost 0-2 | -181428 |
| average opponent: 1451record: 2-6 | new rating: 1428 | |||