Cobos, Waldemar
Current rating: 1536
Record: 5-3
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Ibarra Del Rio, Ignacio (1500) | Lost 1-2 | -181482 |
| 2sealed | 211 | Herrrera Hernandez, Jose Lui (1482) | Won 2-1 | +181500 |
| 3sealed | 105 | garza, eduardo (1500) | Lost 0-2 | -181482 |
| 4sealed | 264 | AMARO CANTO, FELIPE (1482) | Won 2-0 | +181500 |
| 5sealed | 211 | Franco Bodek, Tomas (1500) | Won 2-1 | +181518 |
| 6sealed | 178 | Yanez, Jose Antonio (1518) | Lost 0-2 | -181500 |
| 7sealed | 181 | Garcia Gonzalez, Henry Chris (1499) | Won 2-0 | +181518 |
| 8sealed | 103 | Reyes Medina, Jesus Eduardo (1517) | Won 2-0 | +181536 |
| average opponent: 1500record: 5-3 | new rating: 1536 | |||