Rosales Castaneda, Erick Roberto
Current rating: 1499
Record: 7-7-2
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Avila Garcia, Jose Francisco (1500) | Draw 1-1 | 01502 |
| 2sealed | 163 | Garza Diaz, Ernesto (1450) | Lost 1-2 | -191483 |
| 3sealed | 296 | Alarcon Zepeda, Nestor Fernando (1481) | Won 2-0 | +181501 |
| 4sealed | 247 | Perez Sandoval, Carlos Andres (1353) | Won 2-0 | +151516 |
| 5sealed | 162 | Rodriguez Lobato, Joaquin Antonio (1492) | Won 2-1 | +171533 |
| 6sealed | 101 | Monroy Conde, Marco Antonio (1541) | Lost 1-2 | -171516 |
| 7sealed | 170 | Pannell, Thomas (1525) | Lost 1-2 | -181498 |
| 8sealed | 220 | Avendano, Moises (1452) | Won 2-0 | +171515 |
| 9sealed | 161 | Viteri Candia, Edgar Guillermo (1628) | Lost 0-2 | -161499 |
| average opponent: 1491record: 4-4-1 | new rating: 1499 | |||
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Perdigon Lagunes, Pedr (1554) | Lost 0-2 | -171483 |
| 2sealed | 154 | Sanchez Olvera, Jairo (1483) | Won 2-1 | +181501 |
| 3sealed | 156 | Tavira, Manelich (1553) | Won 2-0 | +191520 |
| 4sealed | 183 | frias, victor F (1518) | Won 2-1 | +181538 |
| 5sealed | 48 | Reyes Padilla, Orlando (1539) | Lost 0-2 | -181520 |
| 6sealed | 156 | Flores, Edgar [MEX] (1518) | Draw 1-1 | 01520 |
| 7sealed | 124 | Nunez Soto, Jorge Ivan (1502) | Lost 1-2 | -181502 |
| average opponent: 1524record: 3-3-1 | new rating: 1502 | |||