Valdez Mela, Jacob Esdras
Current rating: 1482
Record: 3-4
| Grand Prix Mexico City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 99 | Tavira, Manelich (1500) | Won 2-1 | +181518 |
| 2block | 11 | Padilla Vargas, Cristian Alejandro (1500) | Lost 0-2 | -181500 |
| 3block | 63 | Rivera, Ricardo (1500) | Lost 1-2 | -181482 |
| 4block | 113 | Enriquez, Edwin (1482) | Lost 0-2 | -181464 |
| 5block | 137 | Barros Sanchez, Alejandro (1464) | Lost 0-2 | -181446 |
| 6block | 137 | Travi Bahera, Luis Gilberto (1446) | Won 2-0 | +181464 |
| 7block | 115 | Albores, Arturo (1464) | Won 2-0 | +181482 |
| average opponent: 1479record: 3-4 | new rating: 1482 | |||