Topper, Colin
Current rating: 1466
Record: 1-3
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 436 | Brawner, Mikhail (1497) | Won 2-0 | +181518 |
| 2standard | 304 | Bartholdi, Maria (1573) | Lost 1-2 | -171501 |
| 3standard | 574 | Cracraft, Justen (1518) | Lost 0-2 | -181483 |
| 4standard | 492 | Miller, Drew (1523) | Lost 0-2 | -171466 |
| average opponent: 1528record: 1-3 | new rating: 1466 | |||