Constantine, Jack
Current rating: 1471
Record: 1-3
| Grand Prix London 2019 (WAR sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 39 | Russell, Griffin (1729) | Lost 0-2 | -141486 |
| A2sealed | 226 | Brown, Jonathan [ENG] (1483) | Lost 0-1 | -181468 |
| A3sealed | 275 | Dee, Aaron (1646) | Lost 1-2 | -151453 |
| A4sealed | 225 | Tandy, Matthew (1459) | Won 2-0 | +181471 |
| average opponent: 1579record: 1-3 | new rating: 1471 | |||