McCallum, Kieren
Current rating: 1439
| Grand Prix Birmingham 2017 (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 251 | Preston, James (1500) | Won 2-0 | +191469 |
| 2modern | 156 | Marchand, Benjamin (1525) | Won 0-0 | +191488 |
| 3modern | 260 | Ni Chang, Wei Shen (1613) | Lost 0-2 | -161472 |
| 4modern | 241 | Treike, Vincent (1551) | Lost 0-2 | -171455 |
| 5modern | 494 | Rickell, Helen (1472) | Lost 1-2 | -171438 |
| 6modern | 605 | Moore, Matthew (1449) | Won 2-1 | +181456 |
| 7modern | 576 | Clarke, Nathen (1511) | Lost 0-2 | -171439 |
| top | average opponent: 1517record: 3-4 | new rating: 1439 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2135 | Lovett, Nicholas (1673) | Lost 0-2 | -151485 |
| 4sealed | 2218 | Kuijs, John (1551) | Lost 0-2 | -171468 |
| 5sealed | 2208 | Lyaruu, Philip Mtenga (1440) | Lost 1-2 | -181450 |
| top | average opponent: 1555record: 0-3 | new rating: 1450 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 435 | Lown, Anthony (1500) | Lost 1-2 | -181482 |
| 2sealed | 454 | Allingham, James (1491) | Won 2-0 | +181500 |
| 3sealed | 389 | Watson, Ricky (1432) | Won 2-0 | +171517 |
| 4sealed | 322 | Martill, Oliver (1545) | Won 2-0 | +181535 |
| 5sealed | 128 | Ferguson, Marc (1548) | Lost 1-2 | -171518 |
| 6sealed | 272 | Lam, Andrew (1523) | Lost 0-2 | -181500 |
| top | average opponent: 1507record: 3-3 | new rating: 1500 | ||