Chapa Hernandez, Gustavo
Current rating: 1462
Record: 3-5
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 243 | Trueba Mendoza, Jorge Gerardo (1500) | Lost 0-2 | -181482 |
| 2sealed | 259 | Gutierrez, Oscar [MEX] (1482) | Won 2-0 | +181500 |
| 3sealed | 170 | Zagorin, Hilel (1500) | Won 2-0 | +181518 |
| 4sealed | 184 | ESTRADA DIAZ DEL CASTILLO, J (1518) | Lost 0-2 | -181500 |
| 5sealed | 228 | Villagrana, Rene (1434) | Lost 0-2 | -191481 |
| 6sealed | 202 | Alcazar Juarez, Mauricio (1482) | Lost 1-2 | -181463 |
| 7sealed | 244 | Martinez Corona, Aldo Esai (1448) | Lost 0-2 | -181445 |
| 8sealed | 236 | Ruiz Alvarado, Alejandro (1410) | Won 2-1 | +171462 |
| average opponent: 1472record: 3-5 | new rating: 1462 | |||