Mccallum, Mark
Current rating: 1485
Record: 2-3
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 419 | Bal, Sherman (1482) | Won 2-1 | +181518 |
| 2modern | 66 | Jung, Jordan (1499) | Won 2-0 | +171535 |
| 3modern | 41 | Muller, Timothy (1641) | Lost 1-2 | -161519 |
| 4modern | 154 | Jensen, Rebecca (1517) | Lost 1-2 | -181501 |
| 5modern | 277 | Steele, Thea (1573) | Lost 0-2 | -161485 |
| average opponent: 1542record: 2-3 | new rating: 1485 | |||