Aitken, Brian
Current rating: 1512
| Grand Prix Toronto 2018 (modern) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 130 | Baley, Cody (1503) | Lost 0-2 | -191507 |
| 2modern | 468 | Rivers, Christopher (1522) | Won 2-1 | +191526 |
| 3modern | 647 | Mercier, Maxime (1643) | Won 2-1 | +201546 |
| 4modern | 445 | Guite, Ely (1598) | Lost 0-2 | -171529 |
| 5modern | 590 | Boonstra, Tyler (1603) | Lost 0-2 | -171512 |
| top | average opponent: 1574record: 2-3 | new rating: 1512 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Meissner, Regina (1500) | Won 2-1 | +181539 |
| 2standard | 111 | Friberg, Jonas (1466) | Won 2-0 | +171556 |
| 3standard | 56 | Katerinov, Delian (1500) | Lost 1-2 | -191537 |
| 4standard | 134 | Coyner, Christopher (1481) | Won 2-1 | +171554 |
| 5standard | 104 | Burgold, Lino (1849) | Lost 0-2 | -131541 |
| 6standard | 162 | Kenyeres, Akos (1705) | Lost 0-2 | -151526 |
| top | average opponent: 1584record: 3-3 | new rating: 1526 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 248 | Boyd, Gerard (1607) | Lost 1-2 | -161484 |
| 2sealed | 615 | Hamley, Peter (1483) | Won 2-0 | +181502 |
| 3sealed | 702 | York, Peter (1500) | Lost 1-2 | -181484 |
| 4sealed | 606 | Jenkins, James (1535) | Won 2-0 | +191503 |
| 5sealed | 560 | Blamire, Stephen (1504) | Won 2-0 | +181521 |
| 6sealed | 250 | Smith, Lucas (1472) | Won 2-0 | +171538 |
| 7sealed | 240 | Lecercle, Jeremy (1619) | Lost 1-2 | -171521 |
| top | average opponent: 1532record: 4-3 | new rating: 1521 | ||