Castro Gonzalez, Alfonso
Current rating: 1429
Record: 1-5-1
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Reyna Valencia, Carlos (1579) | Lost 0-2 | -171483 |
| 2sealed | 110 | Obregon Morales, Jose Donaldo (1482) | Lost 0-2 | -181465 |
| 3sealed | 189 | Demarco, Juan Franco (1646) | Lost 0-2 | -141451 |
| 4sealed | 195 | Trujeque Bolio, Jose Ernesto (1447) | Won 2-0 | +181469 |
| 5sealed | 172 | Gutierrez Pena, Jose Daniel (1386) | Draw 1-1 | -21467 |
| 6sealed | 158 | Albarran, Eduardo (1504) | Lost 0-2 | -171450 |
| 7sealed | 144 | Murray, Michael (1322) | Lost 0-2 | -211429 |
| average opponent: 1481record: 1-5-1 | new rating: 1429 | |||