Mostovoy, Samuel
Current rating: 1523
Record: 4-3
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 277 | Penn, James (1500) | Won 2-0 | +181518 |
| A2sealed | 323 | Frydlewicz, Corry (1538) | Won 2-0 | +181536 |
| A3sealed | 50 | Asbjornsen, Chad (1682) | Lost 1-2 | -151521 |
| A4sealed | 226 | Mound, Josh (1580) | Won 2-0 | +191540 |
| A5sealed | 140 | Beissinger, Peter (1485) | Won 2-0 | +171557 |
| A6sealed | 40 | Chan, Jeffrey K (1417) | Lost 1-2 | -201537 |
| A7sealed | 97 | Yang, Xiao Yu (Roy) (1797) | Lost 1-2 | -141523 |
| average opponent: 1571record: 4-3 | new rating: 1523 | |||