Rahn, Dustan
Current rating: 1504
| Grand Prix Richmond 2018 (std) (M19 standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 228 | Waldrop, Philip (1531) | Lost 1-2 | -181465 |
| 3standard | 511 | Fuhrmann, Erich (1421) | Won 2-0 | +181483 |
| 4standard | 293 | Sipe, Gary (1460) | Won 2-0 | +171500 |
| 5standard | 256 | Van Cleef, Josh (1505) | Won 2-1 | +181518 |
| 6standard | 180 | Hayne, Alexander (1876) | Lost 1-2 | -111507 |
| 7standard | 238 | Ciafardoni, Nick (1366) | Lost 0-2 | -211486 |
| 8standard | 212 | Corbin, Wade (1483) | Won 2-0 | +181504 |
| top | average opponent: 1520record: 4-3 | new rating: 1504 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 716 | Marrero, Jorel (1498) | Lost 1-2 | -181485 |
| 2modern | 984 | Lovell, Michael (1428) | Won 2-0 | +171502 |
| 3modern | 986 | Koprowski, John (1481) | Won 2-1 | +171519 |
| 4modern | 861 | Dickerson, Jebediah (1489) | Won 2-1 | +181537 |
| 5modern | 782 | Wakefield, Lindsay (1394) | Lost 0-2 | -211516 |
| 6modern | 846 | Harris, John (1560) | Won 1-0 | +191535 |
| 7modern | 595 | Sneddon, Cory (1533) | Lost 0-2 | -181517 |
| 8modern | 679 | Dupal, Stephen (1495) | Lost 0-2 | -191498 |
| 9modern | 649 | Clock, Kevin (1616) | Lost 0-2 | -151483 |
| top | average opponent: 1499record: 4-5 | new rating: 1483 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 387 | Stevenson, Scott (1517) | Won 2-0 | +181518 |
| 3modern | 31 | Campbell, Kurt (1498) | Won 2-1 | +181536 |
| 4modern | 13 | Christopher, Grant (1591) | Lost 1-2 | -171519 |
| 5modern | 192 | Sipe, Eric (1654) | Won 2-1 | +201539 |
| 6modern | 106 | Goss, Jon (1515) | Lost 0-2 | -181521 |
| 7modern | 274 | Hanson, Bryan (1508) | Lost 0-2 | -181503 |
| top | average opponent: 1547record: 3-3 | new rating: 1503 | ||