Guilbert, Joshua
Current rating: 1440
Record: 5-8
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1173 | Kane, Gary (1500) | Won 2-0 | +171533 |
| 2sealed | 1134 | Zuniga, Daniel (1473) | Lost 0-2 | -191514 |
| 3sealed | 1247 | Bein, Raphael (1499) | Lost 0-2 | -181496 |
| 4sealed | 1225 | Easton, Eric (1482) | Lost 1-2 | -181478 |
| 5sealed | 1263 | Hamilton, Matthew (1465) | Lost 1-2 | -191459 |
| 6sealed | 1223 | Hill, Lucas (1446) | Won 2-0 | +181477 |
| 7sealed | 1172 | Chieng, Lawrence (1450) | Lost 0-2 | -181459 |
| 8sealed | 1138 | Hayward, Matthew (1435) | Lost 0-2 | -191440 |
| average opponent: 1469record: 2-6 | new rating: 1440 | |||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Guzman, Allan (1500) | Won 1-0 | +181518 |
| 2sealed | 508 | Malamud-Roam, Daniel (1518) | Lost 0-2 | -181500 |
| 3sealed | 211 | Vickers, Brandon (1465) | Won 2-1 | +171517 |
| 4sealed | 398 | Correa, James (1518) | Won 2-0 | +181535 |
| 5sealed | 117 | Jenkins, Michael (1434) | Lost 0-2 | -191516 |
| average opponent: 1487record: 3-2 | new rating: 1516 | |||