Arreola Leal, Roberto
Current rating: 1494
Record: 8-8
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 229 | Son Ibanez, Luis Ernesto (1564) | Lost 0-2 | -171500 |
| 2sealed | 263 | Cortes Fragoso, Victor Manuel (1483) | Won 2-0 | +171517 |
| 3sealed | 266 | Quintana Arsuaga, Jose (1390) | Won 2-0 | +161533 |
| 4sealed | 206 | Pozos Lozano, Abner Azael (1465) | Won 2-1 | +171550 |
| 5sealed | 51 | Chacon, Salomon (1601) | Lost 1-2 | -171533 |
| 6sealed | 137 | Lebrun, Benoit (1577) | Lost 1-2 | -171516 |
| 7sealed | 207 | Aguirre Benavides, Mario Alberto (1424) | Lost 1-2 | -201496 |
| 8sealed | 253 | Franco Flores, Efrain (1426) | Lost 1-2 | -191477 |
| 9sealed | 228 | Castillo Trujillo, Eduardo (1417) | Won 2-0 | +171494 |
| average opponent: 1483record: 4-5 | new rating: 1494 | |||
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 186 | Gomez Pasos, Gabriel (1571) | Won 2-1 | +191519 |
| 2sealed | 100 | Rios Gonzalez, Miguel (1476) | Lost 0-2 | -181501 |
| 3sealed | 163 | Cortes, Miguel (1535) | Lost 1-2 | -181483 |
| 4sealed | 260 | Tajonar, Ivan (1468) | Won 2-1 | +181501 |
| 5sealed | 181 | Nunez Paz, Nair (1398) | Won 2-1 | +161517 |
| 6sealed | 140 | Ramos Garcia, Daniel (1484) | Won 2-0 | +171534 |
| 7sealed | 117 | Pratz Moreno, Juan Salvador (1557) | Lost 1-2 | -171517 |
| average opponent: 1498record: 4-3 | new rating: 1517 | |||