Cook, Jude
Current rating: 1509
Record: 14-14
| Grand Prix London 2019 (WAR sealed) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| C1sealed | 189 | Sole Sala, Adria (1749) | Lost 1-2 | -141506 |
| C2sealed | 385 | Jonsson, Robert (1567) | Won 2-0 | +191525 |
| C3sealed | 255 | Mills, Christopher (1495) | Won 2-0 | +171542 |
| C4sealed | 119 | van der Linden, Leon (1713) | Lost 1-2 | -151527 |
| C5sealed | 153 | Illanas Sanchez-Beato, Luis Miguel (1486) | Lost 1-2 | -181509 |
| top | average opponent: 1602record: 2-3 | new rating: 1509 | ||
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 200 | Ryan, Terry (1500) | Lost 0-2 | -191508 |
| 2standard | 338 | Miele, Leonardo (1543) | Lost 1-2 | -171491 |
| 3standard | 535 | Buckle, Martin (1464) | Lost 1-2 | -191472 |
| 4standard | 523 | Biernacki, Piotr (1447) | Won 2-0 | +181490 |
| 5standard | 473 | Taylor, Paul (1531) | Lost 0-2 | -181472 |
| 6standard | 438 | Hubert, Cedric (1515) | Won 2-0 | +191491 |
| 7standard | 351 | Holmstedt, Rolf (1222) | Won 2-1 | +131504 |
| 8standard | 308 | Petrea, Alexandru (1345) | Won 2-0 | +161520 |
| top | average opponent: 1446record: 4-4 | new rating: 1520 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 132 | Mayer, Jurgen (1480) | Lost 1-2 | -181467 |
| 2sealed | 554 | Hardman-Brown, Jonathan (1481) | Lost 0-2 | -181449 |
| 3sealed | 112 | Borja, Kique (1464) | Won 2-0 | +181467 |
| 4sealed | 839 | Flynn, Charles (1481) | Won 2-0 | +181485 |
| 5sealed | 606 | Murphy, Tadhg (1555) | Lost 0-2 | -161469 |
| 6sealed | 718 | Trittinger, Daniel (1484) | Won 2-0 | +181487 |
| 7sealed | 539 | Van Caulaert, Eric (1588) | Won 2-0 | +201507 |
| 8sealed | 400 | Rau, Simon (1600) | Won 2-1 | +201527 |
| top | average opponent: 1517record: 5-3 | new rating: 1527 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 373 | Engelmann, Gregor (1484) | Lost 0-2 | -181482 |
| 2sealed | 364 | Marcozzi, Emanuele (1617) | Lost 0-2 | -161466 |
| 3sealed | 549 | Tron, Arthur (1574) | Lost 1-2 | -161450 |
| 4sealed | 543 | Szyk, Andrzej (1467) | Won 2-0 | +181468 |
| 5sealed | 510 | Howe, Lewis (1349) | Won 2-0 | +161484 |
| 6sealed | 467 | Turner, Liam (1480) | Lost 1-2 | -181466 |
| 7sealed | 437 | Peng, Zer Shiuan (1496) | Won 2-1 | +191485 |
| top | average opponent: 1495record: 3-4 | new rating: 1485 | ||