Hernandez Castillo, Oscar
Current rating: 1502
Record: 8-8
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Garcia Perez, Jesus Arturo (1500) | Won 2-1 | +171523 |
| 2sealed | 80 | Chavez, Luis (1447) | Lost 1-2 | -191504 |
| 3sealed | 213 | Evia Urban, Erick (1503) | Lost 0-2 | -181486 |
| 4sealed | 202 | Chirino Cruz, Jonathan (1519) | Lost 0-2 | -171469 |
| 5sealed | 255 | Piedras, Miguel Angel (1462) | Won 2-0 | +171486 |
| 6sealed | 206 | Balderrama Carmona, Samuel (1484) | Won 2-0 | +181504 |
| 7sealed | 159 | Guzman, Edyamin (1456) | Won 2-0 | +181522 |
| 8sealed | 109 | Victoria Trejo, Arturo (1455) | Lost 0-2 | -201502 |
| average opponent: 1478record: 4-4 | new rating: 1502 | |||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 42 | Morales Arrieta, Luis Angel (1549) | Lost 0-2 | -171483 |
| 2sealed | 237 | Cruz Dominguez, Juan Manuel (1480) | Won 2-0 | +181501 |
| 3sealed | 250 | Maceda, Jesus (1501) | Won 2-1 | +181519 |
| 4sealed | 93 | BONILLA, CARLOS (1518) | Lost 1-2 | -181501 |
| 5sealed | 234 | Ordaz Farias, Jorge Alberto (1634) | Won 2-1 | +201521 |
| 6sealed | 122 | Alba Guzman, Eduardo (1520) | Lost 1-2 | -181503 |
| 7sealed | 155 | Casasa, Miguel (1586) | Lost 1-2 | -161487 |
| 8sealed | 171 | Gonzalez, Eduardo (1531) | Won 2-0 | +191506 |
| average opponent: 1540record: 4-4 | new rating: 1506 | |||