Perkins, Chris S
Current rating: 1357
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1384 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Castle, Tom (1464) | Won 2-1 | +191403 |
| 2sealed | 383 | Wintero, Morten (1656) | Lost 0-2 | -131390 |
| 3sealed | 383 | den Bieman, Joost (1469) | Lost 0-2 | -171373 |
| 4sealed | 708 | Foster, Charles (1480) | Lost 1-2 | -161357 |
| top | average opponent: 1517record: 1-3 | new rating: 1357 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 122 | Garrett, Matthew (1500) | Lost 1-2 | -171418 |
| 2block | 475 | Dziuba, Adrian (1451) | Lost 0-2 | -171401 |
| 3block | 672 | Blackwell, Ben (1463) | Lost 0-2 | -171384 |
| top | average opponent: 1471record: 0-3 | new rating: 1384 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 77 | Mayer, Manuel (1886) | Lost 1-2 | -111489 |
| 5sealed | 71 | Papakostas, Petros (1520) | Lost 0-2 | -181471 |
| 6sealed | 128 | Osborn, James E (1525) | Lost 0-2 | -171454 |
| 7sealed | 144 | Moreno, Alberto (1388) | Lost 1-2 | -191435 |
| top | average opponent: 1580record: 0-4 | new rating: 1435 | ||