Garthside, William
Current rating: 1440
Record: 5-9
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 257 | Wiggett, Gregory (1913) | Lost 0-2 | -101435 |
| 2sealed | 451 | Keenan, Stephen (1424) | Lost 1-2 | -181417 |
| 3sealed | 521 | Harper, Andie (1431) | Won 2-0 | +181435 |
| 4sealed | 410 | Van der Gucht, Robbert (1569) | Won 2-1 | +211456 |
| 5sealed | 454 | Greenwood, Doug (1476) | Lost 0-2 | -181438 |
| 6sealed | 451 | Yin, Xiangbo (1418) | Lost 1-2 | -181420 |
| 7sealed | 443 | Bentinck, Will (1412) | Won 2-0 | +171437 |
| 8sealed | 371 | Lilley, Tarun (1480) | Won 2-1 | +191456 |
| 9sealed | 291 | Ouarmassi, Yedir (1546) | Lost 0-2 | -161440 |
| average opponent: 1519record: 4-5 | new rating: 1440 | |||
| Grand Prix London 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 640 | Hall, Andy (1548) | Lost 0-2 | -171483 |
| 2sealed | 699 | Bubb, William (1479) | Won 2-0 | +181501 |
| 3sealed | 808 | Gascoigne, Alexis (1497) | Lost 0-2 | -181483 |
| 4sealed | 964 | Lindgren, Jonathan (1481) | Lost 1-2 | -181465 |
| 5sealed | 992 | Oldenburg, Julia (1379) | Lost 0-2 | -201445 |
| average opponent: 1477record: 1-4 | new rating: 1445 | |||