Guieb, Jarrel
Current rating: 1475
Record: 4-6
| Grand Prix Oakland 2019 (modern) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 43 | Ho, Anthony (1561) | Lost 1-2 | -171488 |
| 4modern | 222 | Oman, Todd (1460) | Lost 1-2 | -181470 |
| 5modern | 293 | Mayer, Jacob (1502) | Won 2-1 | +191489 |
| 6modern | 250 | Tilsen, Patrick (1712) | Lost 0-2 | -141475 |
| average opponent: 1559record: 1-3 | new rating: 1475 | |||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1069 | Conner, Nick (1500) | Won 2-1 | +181518 |
| 2sealed | 1037 | Blauvelt, Nathan (1572) | Won 2-0 | +191537 |
| 3sealed | 1110 | Boland, Michael (1571) | Lost 0-2 | -171520 |
| 4sealed | 1151 | Young, San (1655) | Won 2-0 | +201540 |
| 5sealed | 1098 | Escobar, Nick (1623) | Lost 1-2 | -161524 |
| 6sealed | 1139 | Reese, Devin (1517) | Lost 0-2 | -191505 |
| average opponent: 1573record: 3-3 | new rating: 1505 | |||