Choi, Roy
Current rating: 1462
Record: 1-3
| Grand Prix Toronto 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 249 | Duran, David (1545) | Lost 1-2 | -171483 |
| 2modern | 431 | Nelson, Dustin (1503) | Won 2-0 | +181501 |
| 3modern | 496 | Nelson, Daniel (1353) | Lost 1-2 | -201481 |
| 4modern | 466 | Grawbarger, Mason (1439) | Lost 0-2 | -191462 |
| average opponent: 1460record: 1-3 | new rating: 1462 | |||