Munn, Justin
Current rating: 1452
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 140 | Vertrees, Thomas (1500) | Lost 0-2 | -171467 |
| 2standard | 257 | Pearson, Matthew (1436) | Won 2-1 | +171484 |
| 3standard | 244 | Opdyke, Ronald (1501) | Won 2-1 | +181502 |
| 4standard | 227 | Brown, Travis (1584) | Lost 0-2 | -161486 |
| 5standard | 309 | Allen, Benjamin (1568) | Lost 0-2 | -171469 |
| 6standard | 336 | Mcginn, Nathan (1483) | Lost 0-2 | -171452 |
| top | average opponent: 1512record: 2-4 | new rating: 1452 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 13 | Back, Sarah (1500) | Won 2-0 | +181498 |
| 2standard | 163 | Woolley, Daniel (1620) | Lost 0-2 | -151483 |
| 3standard | 307 | Peeler, Jay (1502) | Won 2-1 | +181501 |
| 4standard | 243 | King, Daniel (1532) | Lost 0-2 | -171484 |
| 5standard | 251 | Busche, Alex (1488) | Lost 0-2 | -181466 |
| 6standard | 340 | Keifer, Clayton (1478) | Won 2-0 | +181484 |
| 7standard | 248 | Jenkins, Brandon (1505) | Lost 1-2 | -181466 |
| 8standard | 269 | Agosta, Vincent (1477) | Won 2-0 | +181484 |
| top | average opponent: 1513record: 4-4 | new rating: 1484 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 452 | Hicks, Zac R (1499) | Won 2-0 | +181518 |
| 2sealed | 499 | Broome, Michael (1482) | Lost 0-2 | -191499 |
| 3sealed | 638 | Latham, Jason L (1500) | Won 2-0 | +181517 |
| 4sealed | 522 | Ripp, Kyle J (1477) | Lost 0-2 | -181499 |
| 5sealed | 618 | Childs, Ryan (1466) | Lost 0-2 | -191480 |
| top | average opponent: 1485record: 2-3 | new rating: 1480 | ||