Cardoso Carrillo, Osma
Current rating: 1541
Record: 5-3
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 158 | Trani, Gilberto (1497) | Won 2-1 | +181518 |
| 2sealed | 38 | Gonzalez Robledo, Luis (1518) | Won 2-0 | +181536 |
| 3sealed | 88 | Saucedo, Horacio (1500) | Won 2-1 | +171553 |
| 4sealed | 29 | Perez, Daniel (1609) | Won 2-1 | +191572 |
| 5sealed | 29 | Briceno Zurita, Angel Alberto (1555) | Won 2-0 | +181590 |
| 6sealed | 7 | Ibarra Del Rio, Ignacio (1800) | Lost 1-2 | -141576 |
| 7sealed | 34 | Leon Carmona, Jorge (1607) | Lost 1-2 | -181558 |
| 8sealed | 75 | Rodriguez, Antonio (1613) | Lost 1-2 | -171541 |
| average opponent: 1588record: 5-3 | new rating: 1541 | |||