Maiagon, Gustavo
Current rating: 1500
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Dominguez, Ruy (1591) | Lost 1-2 | -161481 |
| 2sealed | 196 | Romero Vidal, Orlando (1482) | Won 2-0 | +181499 |
| 3sealed | 221 | Son Ibanez, Luis Ernesto (1561) | Lost 0-2 | -171482 |
| 4sealed | 328 | Zamudio Correa, Ivan Daniel (1451) | Lost 1-2 | -191463 |
| 5sealed | 336 | Fermoso, Omar (1464) | Won 2-0 | +181481 |
| 6sealed | 278 | Ramirez, Angel (1494) | Won 2-1 | +181499 |
| 7sealed | 246 | Camarillo Galicia, Alan (1507) | Won 2-0 | +191518 |
| 8sealed | 137 | Velarde, Gerardo (1524) | Lost 0-2 | -181500 |
| top | average opponent: 1509record: 4-4 | new rating: 1500 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Vasquez Benites, Andres A (1483) | Won 2-0 | +171553 |
| 2sealed | 60 | angulo carvajal, marco (1479) | Lost 0-2 | -201533 |
| 3sealed | 194 | Ramirez Padilla, Alfonso (1635) | Lost 1-2 | -161517 |
| 4sealed | 225 | Israel, Alfredo (1482) | Lost 1-2 | -181499 |
| 5sealed | 278 | Marroquin, Thalia (1463) | Won 2-1 | +171516 |
| 6sealed | 194 | Rubio Lozano, Elnath (1481) | Won 2-1 | +171533 |
| 7sealed | 181 | Gutierrez Ortega, Carlos (1538) | Lost 1-2 | -181515 |
| 8sealed | 172 | Garcia C., Oscar (1483) | Lost 0-2 | -181497 |
| top | average opponent: 1506record: 3-5 | new rating: 1497 | ||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Ruiz, Oscar (1483) | Lost 0-2 | -181482 |
| 2sealed | 201 | Agraz, Sergio 9 (1482) | Lost 0-2 | -181464 |
| 3sealed | 270 | Carrillo Gonzalez, Alfonso E (1464) | Won 2-0 | +181482 |
| 4sealed | 272 | Rodriguez Rodriguez, Mauricio Leonel (1482) | Won 2-0 | +181500 |
| 5sealed | 158 | Castillo Mata, Eduardo (1499) | Lost 1-2 | -181482 |
| 6sealed | 216 | Granados, Jonathan (1482) | Won 2-1 | +181500 |
| 7sealed | 195 | Polanco Navarrete, William d (1501) | Won 2-0 | +181518 |
| 8sealed | 140 | Martinez, Carlos [MEX] (1516) | Won 2-0 | +181536 |
| top | average opponent: 1489record: 5-3 | new rating: 1536 | ||