Osuna Gaxiola, Cesar Isaac
Current rating: 1423
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Avalos, Victor (1500) | Lost 0-2 | -171396 |
| 2sealed | 180 | Ordonez Gomez, Ilhuicamina (1482) | Won 2-0 | +201416 |
| 3sealed | 191 | mendoza, freddy (1500) | Won 2-1 | +201436 |
| 4sealed | 165 | Flores, Gilberto (1517) | Lost 1-2 | -171419 |
| 5sealed | 173 | Aguilar Granados, Jesus Carlos (1548) | Won 2-0 | +201439 |
| 6sealed | 155 | frias, victor F (1518) | Lost 1-2 | -161423 |
| top | average opponent: 1511record: 3-3 | new rating: 1423 | ||
| Grand Prix Guadalajara 2013 (DGM standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 98 | Reynoso, Alejandro (1500) | Lost 0-2 | -171447 |
| 2standard | 185 | Villareal, Juan (1482) | Won 2-1 | +181465 |
| 3standard | 126 | Llamas, Alonzo L (1500) | Lost 0-2 | -171448 |
| 4standard | 201 | Solis, Saul (1482) | Lost 0-2 | -171431 |
| 5standard | 186 | Argueta Kim, Eduardo (1448) | Lost 0-2 | -181413 |
| top | average opponent: 1482record: 1-4 | new rating: 1413 | ||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 223 | De La Cruz, Jose (1500) | Lost 0-2 | -181482 |
| 2sealed | 238 | Pardo Victoria, Jacobo (1481) | Lost 1-2 | -181464 |
| 3sealed | 271 | Gonzalez Herrera, Edgar Gust (1463) | Lost 1-2 | -181446 |
| 4sealed | 310 | Rostro Padron, Ruben Adrian (1446) | Won 2-0 | +181464 |
| 5sealed | 288 | Frontan, Augusto (1464) | Lost 1-2 | -181446 |
| 6sealed | 283 | AMARO CANTO, FELIPE (1446) | Won 2-0 | +181464 |
| 7sealed | 235 | Aleman Cruz, Jorge Octavio (1464) | Won 2-0 | +181482 |
| 8sealed | 199 | Flores Landeros, Omar (1483) | Lost 0-2 | -181464 |
| top | average opponent: 1468record: 3-5 | new rating: 1464 | ||