Castro R, Omar
Current rating: 1500
Record: 4-4
| Grand Prix Guadalajara 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 19 | Lizarde, Carlos (1500) | Lost 0-2 | -181482 |
| 2standard | 170 | Perez Regalado, Cesar (1501) | Lost 1-2 | -181464 |
| 3standard | 174 | Huerta, Jesus (1464) | Lost 0-2 | -181446 |
| 4standard | 220 | Cortes, Hector (1447) | Won 2-0 | +181464 |
| 5standard | 180 | Mendez Aguilar, Rolando (1463) | Won 2-1 | +181482 |
| 6standard | 149 | Perez Sanchez, Mauro (1450) | Lost 1-2 | -181464 |
| 7standard | 171 | Flores F, Rene (1464) | Won 2-1 | +181482 |
| 8standard | 152 | Lopez Tristan, Manuel Antonio (1485) | Won 2-1 | +181500 |
| average opponent: 1472record: 4-4 | new rating: 1500 | |||