Arriaga, Humberto
Current rating: 1468
Record: 4-6
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Gonzalez, Raul [MEX] (1482) | Lost 1-2 | -171446 |
| 2sealed | 151 | Morales Barraza, Pedro David (1440) | Lost 0-2 | -181428 |
| 3sealed | 196 | Ramos, Alfredo (1448) | Lost 0-2 | -181410 |
| 4sealed | 194 | Hernandez Amado, Julio Eduardo (1508) | Won 2-1 | +201430 |
| 5sealed | 180 | Casasa Mtanous, Miguel Antonio (1491) | Won 2-1 | +191449 |
| 6sealed | 130 | Villarreal, Manuel (1485) | Lost 1-2 | -171432 |
| 7sealed | 143 | Hernandez Olivares, Christopher Gilbert (1462) | Won 2-0 | +181450 |
| 8sealed | 117 | Romero Trujillo, Juan Jose (1472) | Won 2-0 | +181468 |
| average opponent: 1474record: 4-4 | new rating: 1468 | |||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Cantu Martinez, Humber (1500) | Lost 0-2 | -181482 |
| 2sealed | 194 | Rodriguez, Luis [MEX] (1446) | Lost 0-2 | -191463 |
| average opponent: 1473record: 0-2 | new rating: 1463 | |||