Cork, Jacob
Current rating: 1509
Record: 2-2
| Grand Prix London 2019 (WAR sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| D1sealed | 1231 | Bryant, Shaun (1500) | Won 2-0 | +181518 |
| D2sealed | 1143 | Baalham, Michael (1638) | Lost 0-2 | -161502 |
| D3sealed | 1198 | Ripoll, Guillaume (1461) | Won 2-0 | +171519 |
| D4sealed | 1102 | Larsen, Christoffer (1955) | Lost 1-2 | -101509 |
| average opponent: 1638record: 2-2 | new rating: 1509 | |||