De Leon, Marvin
Current rating: 1448
Record: 1-4
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Breed, Jonah (1476) | Lost 0-2 | -181482 |
| 2sealed | 585 | Ewing, Conner (1507) | Won 2-0 | +181500 |
| 3sealed | 603 | Bley, Henry (1469) | Lost 0-2 | -191481 |
| 4sealed | 686 | Ober, Jack (1606) | Lost 0-2 | -151466 |
| 5sealed | 654 | Malcomson, Briton (1464) | Lost 1-2 | -181448 |
| average opponent: 1504record: 1-4 | new rating: 1448 | |||