Coulter, Joseph
Current rating: 1523
Record: 8-7
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 270 | McHardy, Alex (1501) | Won 2-1 | +191482 |
| 2sealed | 2130 | Arai, Jin (1338) | Lost 1-2 | -211461 |
| 3sealed | 861 | Waitz, Dorian (1516) | Lost 0-2 | -171444 |
| 4sealed | 842 | Banuelos, Victor (1468) | Won 2-0 | +191463 |
| 5sealed | 732 | Porras, Tony (1452) | Won 2-0 | +181481 |
| 6sealed | 548 | Clark, Taylor (1631) | Lost 0-2 | -161465 |
| 7sealed | 557 | Brooks, John Paul (1481) | Won 2-1 | +191484 |
| 8sealed | 498 | Singer, Sean (1617) | Won 2-0 | +201504 |
| 9sealed | 263 | Parsons, Eric (1580) | Won 2-0 | +191523 |
| average opponent: 1509record: 6-3 | new rating: 1523 | |||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 442 | Truelsen, Samantha (1466) | Won 2-0 | +171517 |
| 2standard | 67 | Griffith, Cole (1557) | Lost 0-2 | -171500 |
| 3standard | 418 | Norwood, Chris (1458) | Lost 0-2 | -191481 |
| 4standard | 678 | La Fleur, Dustin (1482) | Won 2-0 | +181499 |
| 5standard | 564 | Lemus, Nelson (1501) | Lost 0-0 | -181481 |
| 6standard | 542 | Lathom, Joshua (1480) | Lost 1-2 | -181463 |
| average opponent: 1491record: 2-4 | new rating: 1463 | |||