Thomas, Calum
Current rating: 1477
Record: 6-8
| Grand Prix Birmingham 2017 (modern) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 198 | Glenister, Mark (1718) | Won 2-0 | +221481 |
| 2modern | 12 | Stork, Morris (1534) | Lost 0-0 | -171464 |
| 3modern | 488 | Sardjan, Danny (1624) | Lost 1-2 | -151449 |
| 4modern | 752 | Austin, Ryan (1444) | Won 2-1 | +181467 |
| 5modern | 541 | Lechado Artigues, Pedro (1788) | Lost 0-2 | -121455 |
| 6modern | 626 | Pell, Adam (1447) | Won 2-1 | +181473 |
| 7modern | 483 | Wagner, Rob C (1697) | Won 2-0 | +221495 |
| 8modern | 358 | Cowton, Richard (1492) | Lost 0-2 | -181477 |
| average opponent: 1593record: 4-4 | new rating: 1477 | |||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 134 | Meagher, Anthony (1463) | Lost 1-2 | -191481 |
| 2standard | 472 | Stinton, Samuel (1348) | Lost 0-2 | -201461 |
| 3standard | 735 | Bladen, Ross (1394) | Won 2-0 | +171478 |
| 4standard | 685 | Foulkes, Matthew (1414) | Lost 1-2 | -191459 |
| 5standard | 726 | Bratby, Dave (1463) | Won 2-0 | +181477 |
| 6standard | 587 | Hownam, Dan (1483) | Lost 1-2 | -181459 |
| average opponent: 1428record: 2-4 | new rating: 1459 | |||