Vaca, Mauricio
Current rating: 1445
Record: 2-5
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Ocampo Guzman, Alan (1500) | Won 2-0 | +181501 |
| 2sealed | 27 | Tacher, Jaime (1466) | Lost 1-2 | -191482 |
| 3sealed | 147 | Rodriguez Miranda, Jose Luis (1402) | Lost 0-2 | -191463 |
| 4sealed | 167 | Gilbert, Diego (1437) | Lost 0-2 | -181445 |
| top | average opponent: 1451record: 1-3 | new rating: 1445 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 423 | Brouillet, Jean-Luc (1556) | Lost 0-2 | -171483 |
| top | record: 0-1 | new rating: 1483 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 581 | Piniol, Glenn (1446) | Won 2-0 | +171517 |
| 2modern | 149 | Teranishi, Daniel (1559) | Lost 0-2 | -171500 |
| top | average opponent: 1502record: 1-1 | new rating: 1500 | ||