Castillo, Alex
Current rating: 1491
Record: 3-4-1
| Regional Championships Mexico City 2023 Cycle 3 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 70 | Esquivel, Hector (1500) | Lost 1-2 | -181482 |
| 2pioneer | 80 | Garcia Bermejo, Israel Hiram (1452) | Won 2-1 | +171499 |
| 3pioneer | 41 | del Valle, Oscar Uriel (1561) | Won 2-0 | +201519 |
| 4pioneer | 13 | Pereira, Alejandro (1516) | Draw 1-1 | 01519 |
| 5pioneer | 24 | Flores Silva, Mario Alejandro (1974) | Lost 0-2 | -111508 |
| 6pioneer | 43 | Castillo, Eduardo (1571) | Lost 1-2 | -171491 |
| 7pioneer | 52 | Alvarez, Daniel (1431) | Won 2-1 | +171508 |
| 8pioneer | 38 | Gonzalez, Cristian [MEX] (1523) | Lost 0-2 | -171491 |
| average opponent: 1566record: 3-4-1 | new rating: 1491 | |||