Joubert, Joshua
Current rating: 1467
Record: 3-5
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 33 | Seeley, Dexter (1500) | Won 1-0 | +181518 |
| 2standard | 77 | Calderon, Christopher (1685) | Lost 0-2 | -151503 |
| 3standard | 252 | Nephew, Brian (1492) | Lost 1-2 | -181485 |
| 4standard | 302 | Rix, Ryan (1503) | Lost 0-1 | -181467 |
| 5standard | 292 | Giles, Robert (1464) | Won 2-0 | +181485 |
| 6standard | 263 | Vargas, Manuel (1543) | Won 2-0 | +191504 |
| 7standard | 194 | Griggs, Jason (1501) | Lost 1-2 | -181486 |
| 8standard | 189 | White, John (1428) | Lost 0-2 | -191467 |
| average opponent: 1514record: 3-5 | new rating: 1467 | |||