Conachan, David
Current rating: 1457
Record: 4-7
| Grand Prix Portland 2018 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 597 | Magdaleno, Mike (1645) | Won 2-1 | +211489 |
| 2modern | 94 | Gonzales, Benny (1443) | Lost 1-2 | -191470 |
| 3modern | 457 | Englert, Kennedy (1499) | Won 2-0 | +191489 |
| 4modern | 240 | Engelhard, Eric (1684) | Lost 0-2 | -151474 |
| 5modern | 646 | Hammes, James (1531) | Lost 0-2 | -171457 |
| average opponent: 1561record: 2-3 | new rating: 1457 | |||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 74 | Webber, Daniel J (1500) | Lost 1-2 | -181482 |
| 2extended | 113 | Wong, Koon Kiu (1482) | Won 2-1 | +181500 |
| 3extended | 81 | Foulger, Grant A (1500) | Lost 1-2 | -181482 |
| 4extended | 161 | Thibeau, Markus (1482) | Won 2-1 | +181500 |
| 5extended | 130 | McKenzie, Brendan (1500) | Lost 0-2 | -181482 |
| 6extended | 134 | Pustilnik, Michael (1691) | Lost 1-2 | -141468 |
| average opponent: 1526record: 2-4 | new rating: 1468 | |||