Diaz, Mario M
Current rating: 1519
Record: 7-6-1
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Acevedo, Diego (1556) | Won 2-0 | +191502 |
| 2sealed | 1 | Perez Garcia, Victor Alejandro (1529) | Lost 0-2 | -181484 |
| 3sealed | 204 | Yerves, Marby E (1501) | Won 2-0 | +191503 |
| 4sealed | 142 | Pineda Beltran, Arturo (1578) | Lost 1-2 | -171486 |
| 5sealed | 158 | Haces Robles, Luis Alb (1500) | Won 2-0 | +181504 |
| 6sealed | 148 | Mendoza Tagle, Hiram Hel (1387) | Lost 1-2 | -201484 |
| 7sealed | 174 | Guzman Esparragoza, Edwin Jonathan (1384) | Won 2-1 | +161500 |
| 8sealed | 107 | Guemes Arriola, Angel (1520) | Draw 1-1 | +11501 |
| 9sealed | 112 | Alarcon Zepeda, Nestor Fernando (1518) | Won 2-0 | +181519 |
| average opponent: 1497record: 5-3-1 | new rating: 1519 | |||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Ramirez Lopez, Aldo (1500) | Lost 0-2 | -181482 |
| 2sealed | 263 | Rios Ruiz, Miguel Tomas (1483) | Lost 0-2 | -181464 |
| 3sealed | 283 | Narvaez Hurtado, Jose (1493) | Won 2-1 | +191483 |
| 4sealed | 242 | del Real Gonzalez, Jose Fernando (1482) | Won 2-1 | +181501 |
| 5sealed | 209 | Velasco Gutierrez, Cristian Rogelio (1500) | Lost 1-2 | -181483 |
| average opponent: 1492record: 2-3 | new rating: 1483 | |||