Soni, Issac
Current rating: 1428
Record: 2-6
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 220 | Serrano, Alexis (1500) | Lost 0-2 | -181482 |
| 2sealed | 228 | Medina Zavala, Edgar Ricardo (1482) | Won 2-1 | +181500 |
| 3sealed | 137 | Martinez Corona, Aldo Esai (1482) | Lost 0-2 | -181482 |
| 4sealed | 287 | Gomez, Alonso (1482) | Lost 0-2 | -181464 |
| 5sealed | 271 | Calvo, Carlos (1463) | Lost 1-2 | -181446 |
| 6sealed | 280 | Villela Segura, Gorman (1445) | Won 2-1 | +181464 |
| 7sealed | 231 | Tapia, Alan (1464) | Lost 0-2 | -181446 |
| 8sealed | 222 | Fresan, Diego (1447) | Lost 0-2 | -181428 |
| average opponent: 1471record: 2-6 | new rating: 1428 | |||