Griffin, Joshua [USA]
Current rating: 1466
Record: 3-5
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 19 | Stoltz, Mark (1500) | Lost 0-2 | -181482 |
| 2modern | 355 | Owen, Jordan (1482) | Lost 0-2 | -181464 |
| 3modern | 421 | Steen, Andrew (1465) | Lost 0-2 | -181446 |
| 4modern | 450 | Sprader, Jeremy (1448) | Lost 1-2 | -181428 |
| 5modern | 402 | Hill, Nicholas (1378) | Won 2-0 | +171445 |
| 6modern | 327 | Roland, John (1485) | Won 2-0 | +191464 |
| 7modern | 249 | Bates, Taylor (1469) | Won 2-1 | +181482 |
| 8modern | 196 | Schmidt, Tyler (1586) | Lost 1-2 | -161466 |
| average opponent: 1477record: 3-5 | new rating: 1466 | |||