Jacobs, Josiah
Current rating: 1507
Record: 4-4
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 258 | Romero, Henry (1862) | Lost 0-2 | -121488 |
| 3sealed | 919 | Lunch, Benjamin (1523) | Won 2-0 | +191507 |
| 4sealed | 728 | Fontes, Carlos (1641) | Lost 0-2 | -161491 |
| 5sealed | 551 | Arreygue, Anthony (1499) | Won 2-0 | +191510 |
| 6sealed | 659 | Osuna, Eduardo (1480) | Won 2-1 | +171527 |
| 7sealed | 242 | Young, Christopher (1471) | Lost 1-2 | -191508 |
| 8sealed | 2127 | Jong, Philip (1463) | Won 2-0 | +171525 |
| 9sealed | 285 | Jentis, Sean (1497) | Lost 0-2 | -181507 |
| average opponent: 1555record: 4-4 | new rating: 1507 | |||