Donner, Samuel
Current rating: 1501
Record: 7-7-1
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 193 | Ward, Jamie (1481) | Lost 1-2 | -181486 |
| 2legacy | 483 | Kilkenny, Richard (1410) | Won 2-0 | +161502 |
| 3legacy | 3009 | Parham, Brandon (1499) | Won 2-1 | +181520 |
| 4legacy | 366 | Skinner-Maginnis, Taurin (1587) | Won 2-1 | +191539 |
| 5legacy | 215 | Cortez, Prince (1486) | Lost 0-2 | -191520 |
| 6legacy | 360 | Wysocki, Andrew (1471) | Lost 0-2 | -191501 |
| average opponent: 1489record: 3-3 | new rating: 1501 | |||
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 618 | Carstens, Ryan (1498) | Won 2-0 | +181518 |
| 2modern | 38 | Harmon, Lawrence (1518) | Lost 1-2 | -181500 |
| 3modern | 958 | Poliskey, Steven (1500) | Lost 0-2 | -181482 |
| 4modern | 1095 | Stahl, Jeremy (1466) | Won 2-0 | +181500 |
| 5modern | 602 | Spear, Kurtis (1594) | Draw 1-1 | +11501 |
| 6modern | 723 | Bailey, Tyler (1509) | Won 2-0 | +191520 |
| 7modern | 533 | Zorzi, Josh (1537) | Won 2-1 | +181538 |
| 8modern | 365 | Tuchek, Stephen (1731) | Lost 0-2 | -151523 |
| 9modern | 506 | Rivas Rojas, Joaquin (1452) | Lost 0-2 | -191504 |
| average opponent: 1534record: 4-4-1 | new rating: 1504 | |||