Mariano, Andrew
Current rating: 1469
Record: 2-4
| Grand Prix Toronto 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 14 | Regimbald, Francis (1539) | Lost 0-2 | -171483 |
| 3modern | 564 | Bernstein, Hal (1488) | Won 2-0 | +181501 |
| 4modern | 395 | Watson, Thomas (1528) | Lost 0-2 | -181483 |
| 5modern | 574 | Kaplan, Spencer (1571) | Won 2-1 | +201503 |
| 6modern | 362 | Renaud, Luke (1584) | Lost 0-2 | -171486 |
| 7modern | 483 | Starkey, James (1503) | Lost 0-2 | -171469 |
| average opponent: 1535record: 2-4 | new rating: 1469 | |||