Roberts, Ryan
Current rating: 1490
Record: 6-7-1
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 304 | Havas, Chad (1541) | Won 2-0 | +191504 |
| 2standard | 148 | Elliott, Sean (1499) | Won 2-1 | +181522 |
| 3standard | 204 | Witten, Zack (1803) | Lost 1-2 | -131509 |
| 4standard | 202 | White, Brandon (1473) | Won 2-1 | +171526 |
| 5standard | 158 | Laucke, Michael (1539) | Lost 0-1 | -181508 |
| 6standard | 259 | Lugo, Michael (1517) | Lost 1-2 | -181490 |
| average opponent: 1562record: 3-3 | new rating: 1490 | |||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 18 | Ellefson, Lane (1500) | Won 2-1 | +181518 |
| 2standard | 285 | Nguyen, David (1829) | Draw 1-1 | +61524 |
| 3standard | 339 | Honcoop, Jeff (1516) | Won 2-0 | +171541 |
| 4standard | 187 | Hogue, Jay (1564) | Won 2-0 | +191560 |
| 5standard | 95 | Hollis, Adam (1517) | Lost 0-2 | -191541 |
| 6standard | 214 | Otteson, James (1516) | Lost 1-2 | -181523 |
| 7standard | 318 | Alspach, Matthew (1477) | Lost 0-2 | -191504 |
| 8standard | 303 | Risner, Daniel (1454) | Lost 0-2 | -191485 |
| average opponent: 1547record: 3-4-1 | new rating: 1485 | |||