Coffey, Josh
Current rating: 1536
| Grand Prix Austin 2020 (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 252 | Gustafson, Peter (1421) | Draw 1-1 | -11491 |
| 2modern | 189 | Hicks, Ryan (1422) | Won 2-1 | +161507 |
| 3modern | 178 | Linda, Ryan (1620) | Won 2-1 | +201527 |
| 4modern | 92 | Sei, Kengi (1533) | Won 2-0 | +181545 |
| 5modern | 46 | Frank, James (1552) | Lost 0-2 | -171528 |
| 6modern | 116 | Majlaton, Alex (2059) | Lost 0-2 | -101518 |
| 7modern | 166 | Vasquez, Luis (1520) | Draw 1-1 | 01518 |
| 8modern | 153 | Walsh, Cody (1481) | Won 2-0 | +181536 |
| top | average opponent: 1576record: 4-2-2 | new rating: 1536 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 32 | Wesson, David (1393) | Lost 1-2 | -201519 |
| 2modern | 427 | Cooper, Michael (1552) | Lost 1-2 | -181501 |
| 3modern | 591 | Davis, Matthew (1612) | Won 2-1 | +201521 |
| 4modern | 471 | Mattie, David (1499) | Lost 1-2 | -181503 |
| 5modern | 495 | Rice, Newel (1270) | Lost 1-2 | -221481 |
| 6modern | 448 | Rodriguez, Stephen (1381) | Lost 0-2 | -201461 |
| 7modern | 369 | Ulrich, Bruce (1311) | Won 2-0 | +151476 |
| 8modern | 286 | Linares, Carlos (1352) | Won 2-0 | +161492 |
| top | average opponent: 1421record: 3-5 | new rating: 1492 | ||
| Grand Prix Philadelphia 2005 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 100 | Stanton, Andrew (1500) | Won 2-0 | +181518 |
| 2legacy | 79 | Flynn, Patrick (1504) | Won 2-1 | +181536 |
| 3legacy | 55 | Hatfield, Jesse (1535) | Lost 0-2 | -181518 |
| 4legacy | 115 | Pannell, Thomas (1592) | Won 2-0 | +191537 |
| 5legacy | 91 | Grudzina, John (1506) | Won 2-1 | +181555 |
| 6legacy | 66 | Pazona, Jon (1703) | Lost 1-2 | -161539 |
| 7legacy | 65 | Aspinwall, Derek (1534) | Won 2-0 | +181557 |
| 8legacy | 52 | Freeman, Asher (1561) | Lost 1-2 | -181539 |
| top | average opponent: 1554record: 5-3 | new rating: 1539 | ||