Cook, Lyle
Current rating: 1478
Record: 2-3
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 26 | Wong, Joel (1523) | Lost 0-2 | -181482 |
| 2standard | 410 | King, Travis (1402) | Won 2-1 | +171499 |
| 3standard | 586 | Garcia, Julio (1474) | Lost 1-2 | -191480 |
| 4standard | 505 | Ewing, Christopher (1363) | Lost 0-2 | -201460 |
| 5standard | 552 | Halter, Charles (1464) | Won 2-0 | +181478 |
| average opponent: 1445record: 2-3 | new rating: 1478 | |||