Marshall, Robert
Current rating: 1429
Record: 2-6
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 292 | Murray, Todd (1500) | Lost 0-2 | -181482 |
| 2standard | 349 | Partridge, Debbie (1484) | Won 2-1 | +181500 |
| 3standard | 389 | Skapetis, Tristin (1690) | Lost 0-2 | -151485 |
| 4standard | 417 | Peterson, Quentin (1466) | Won 2-1 | +181503 |
| 5standard | 248 | Douglas, Joshua (1461) | Lost 0-2 | -191484 |
| 6standard | 324 | Burroughs, Michael (1485) | Lost 0-2 | -181466 |
| 7standard | 126 | Creech, Nathan (1435) | Lost 0-2 | -181448 |
| 8standard | 252 | Webber, Chad (1379) | Lost 1-2 | -191429 |
| average opponent: 1488record: 2-6 | new rating: 1429 | |||