Colthart, Patrick
Current rating: 1559
Record: 9-7
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 769 | Forscher, Patrick (1524) | Won 2-0 | +181547 |
| 2sealed | 875 | Bogdanov, Dennis (1610) | Won 2-1 | +191566 |
| 3sealed | 725 | Williams, James (1784) | Won 2-0 | +221588 |
| 4sealed | 647 | Golubkin, Sergey (1836) | Lost 1-2 | -141574 |
| 5sealed | 678 | Bedell, Rodney (1708) | Lost 0-2 | -151559 |
| 6sealed | 772 | Gray, Michael (1461) | Won 2-0 | +161575 |
| 7sealed | 721 | Wallerstein, Robert (1724) | Won 2-1 | +211596 |
| 8sealed | 610 | Epstein, Orr (1569) | Lost 0-2 | -191577 |
| 9sealed | 792 | Sandow, Lee (1542) | Lost 1-2 | -181559 |
| average opponent: 1640record: 5-4 | new rating: 1559 | |||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Thrash, Jeffery (1413) | Won 2-0 | +161516 |
| 2sealed | 434 | Thomas, Travis (1569) | Won 2-0 | +191535 |
| 3sealed | 141 | Baker, Daniel (1507) | Lost 0-2 | -181517 |
| 4sealed | 596 | Jeannin, Jules (1445) | Won 2-1 | +171534 |
| 5sealed | 338 | Patel, Hemant (1575) | Won 2-0 | +181552 |
| 6sealed | 195 | Sperling, Matthew (2078) | Lost 0-2 | -91543 |
| 7sealed | 342 | Lucy, J. Sawyer (1753) | Lost 0-2 | -141529 |
| average opponent: 1620record: 4-3 | new rating: 1529 | |||