Medina Zavala, Edgar Ricardo
Current rating: 1447
Record: 1-4
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | ROSALES SANCHEZ, ULISES ISRA (1500) | Lost 1-2 | -181482 |
| 2sealed | 228 | Soni, Issac (1482) | Lost 1-2 | -181464 |
| 3sealed | 293 | Pascual Contreras, Rafael (1464) | Won 2-1 | +181482 |
| 4sealed | 204 | Angeles, Luis (1563) | Lost 1-2 | -171465 |
| 5sealed | 286 | Aguilar, Antonio A (1464) | Lost 0-2 | -181447 |
| average opponent: 1495record: 1-4 | new rating: 1447 | |||