MacKay, Timothy
Current rating: 1464
Record: 6-8
| Grand Prix Detroit 2016 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 250 | Nikolich, Benjamin (1775) | Lost 1-2 | -131500 |
| 4modern | 706 | Fields, Larry (1518) | Lost 0-2 | -181482 |
| 5modern | 710 | Bartz, Kevin (1498) | Won 2-1 | +181500 |
| 6modern | 477 | Frawley, Thomas (1500) | Lost 0-2 | -181482 |
| 7modern | 747 | Brumm, Joel (1495) | Lost 0-2 | -181464 |
| average opponent: 1557record: 1-4 | new rating: 1464 | |||
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 12 | Esralian, John (1446) | Lost 1-2 | -191481 |
| 2modern | 364 | La, Thanh (1389) | Won 0-0 | +161497 |
| 3modern | 473 | Kruger, Jason (1498) | Won 2-1 | +181515 |
| 4modern | 432 | Fram, Robert (1429) | Lost 1-2 | -191496 |
| 5modern | 420 | Lamb, Jake (1483) | Lost 1-2 | -181478 |
| 6modern | 462 | Awe, Brent (1465) | Won 2-0 | +171495 |
| 7modern | 426 | Houle, Rob (1499) | Won 0-0 | +181513 |
| 8modern | 283 | Moore, Richard (1506) | Won 2-0 | +181531 |
| 9modern | 212 | Herzog, Thomas (1507) | Lost 0-2 | -181513 |
| average opponent: 1469record: 5-4 | new rating: 1513 | |||