Arguelles, Mario A
Current rating: 1483
Record: 2-3-1
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 37 | Contreras, Carlos (1499) | Lost 0-2 | -181482 |
| 3sealed | 186 | Perez, Alfredo (1500) | Won 2-0 | +181500 |
| 4sealed | 120 | Barrera Acevedo, Marco (1501) | Lost 0-2 | -181482 |
| 5sealed | 167 | Orozco, Juan (1502) | Won 2-1 | +191501 |
| 6sealed | 156 | Rivera, Marco A (1518) | Draw 1-1 | 01501 |
| 7sealed | 141 | Lopez Ruiz, Froylan (1517) | Lost 0-2 | -181483 |
| average opponent: 1506record: 2-3-1 | new rating: 1483 | |||