Meza Villegas, Mario Andres
Current rating: 1517
Record: 8-7
| Regional Championships Mexico City 2023 Cycle 4 (pioneer) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 55 | Flores Calderon, Eduardo (1475) | Lost 1-2 | -181503 |
| 2pioneer | 56 | Aguirre, Mario (1498) | Lost 0-2 | -181485 |
| 3pioneer | 86 | Gutierrez, Alan (1475) | Lost 0-2 | -191466 |
| 4pioneer | 91 | Lira Frausto, Juan Antonio (1452) | Won 2-0 | +181484 |
| 5pioneer | 70 | Calero Rosas, Victor Eduardo (1462) | Lost 0-2 | -181466 |
| 6pioneer | 75 | Alcala, Ernesto (1307) | Won 2-0 | +151481 |
| 7pioneer | 62 | Sinclair, Jaleel (1477) | Won 2-1 | +181499 |
| 8pioneer | 54 | Anzaldo, Juan (1488) | Won 2-1 | +181517 |
| average opponent: 1454record: 4-4 | new rating: 1517 | |||
| Grand Prix Mexico City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 61 | Argueta Hernandez, Nathaniel (1500) | Won 2-0 | +181518 |
| 2block | 67 | Ordaz, Cesar Augusto (1518) | Lost 1-2 | -181500 |
| 3block | 89 | Padilla, Rodrigo (1500) | Lost 1-2 | -181482 |
| 4block | 120 | Villarreal Ulloa, Jesus Manu (1482) | Won 2-1 | +181500 |
| 5block | 105 | Enriquez, Edwin (1500) | Won 2-0 | +181518 |
| 6block | 80 | Quiroz, Roberto (1482) | Won 2-0 | +171535 |
| 7block | 39 | Rietzl, Paul (1767) | Lost 0-2 | -141521 |
| average opponent: 1536record: 4-3 | new rating: 1521 | |||