Cooke, Brennen
Current rating: 1452
Record: 2-6
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 131 | Carson, Bob (1662) | Lost 0-2 | -151460 |
| 3sealed | 210 | Slafkin, Jeffery (1500) | Won 2-0 | +191479 |
| 4sealed | 134 | Smith, Raymond (1597) | Lost 0-2 | -161463 |
| 5sealed | 251 | Krut, Isaak (1848) | Lost 0-2 | -111452 |
| average opponent: 1652record: 1-3 | new rating: 1452 | |||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 232 | Joyal, Martin (1525) | Won 2-1 | +181518 |
| 4sealed | 20 | Galves, Victor (1716) | Lost 0-2 | -141504 |
| 5sealed | 68 | Calcagni, Deane (1612) | Lost 1-2 | -161488 |
| 6sealed | 271 | Madill, Jamie (1754) | Lost 0-2 | -131475 |
| average opponent: 1652record: 1-3 | new rating: 1475 | |||