Castilla Lozano, Leopoldo Arturo
Current rating: 1369
Record: 0-7
| Regional Championships Mexico City 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 86 | Rosales, Alexander (1481) | Lost 1-2 | -181482 |
| 2pioneer | 97 | Alcala, Ernesto (1333) | Lost 0-2 | -211461 |
| 3pioneer | 94 | Monroy, Pedro (1464) | Lost 1-2 | -181443 |
| 4pioneer | 93 | BoLivar, Alberto (1449) | Lost 1-2 | -181425 |
| 5pioneer | 89 | Gonzalez, Raul [MEX] (1397) | Lost 0-2 | -181407 |
| 6pioneer | 80 | Chavez, Luis (1268) | Lost 0-2 | -211386 |
| 7pioneer | 70 | Morales Chavez, Eduardo (1430) | Lost 0-2 | -171369 |
| average opponent: 1403record: 0-7 | new rating: 1369 | |||