Grawey, Josiah
Current rating: 1359
Record: 2-10-2
| Grand Prix Phoenix 2018 (modern) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 114 | Maxey, Scott (1493) | Lost 0-2 | -171408 |
| 2modern | 449 | Hubble, Jayson (1482) | Lost 0-2 | -171391 |
| 3modern | 573 | Harkey, Richard (1464) | Lost 0-2 | -161375 |
| 4modern | 622 | Halder, Jason (1480) | Draw 1-1 | +21377 |
| 5modern | 576 | Ash, Phillip (1428) | Lost 0-2 | -181359 |
| average opponent: 1470record: 0-4-1 | new rating: 1359 | |||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 421 | Tarbel, Ryan (1426) | Won 2-0 | +171517 |
| 2modern | 271 | Carlson, Andrew (1452) | Draw 1-1 | -21515 |
| 3modern | 265 | Lawrence, Brad (1432) | Lost 0-2 | -191496 |
| 4modern | 421 | Davis, Michael (1535) | Lost 1-2 | -171479 |
| 5modern | 521 | Ver Steeg, Nicholas (1452) | Won 2-0 | +171496 |
| 6modern | 402 | Passapera, Abraham (1499) | Lost 1-2 | -181478 |
| 7modern | 465 | McQueeney, Joshua (1431) | Lost 0-2 | -191459 |
| 8modern | 426 | Schinsing, Peter (1461) | Lost 1-2 | -181441 |
| 9modern | 374 | Larson, Jonathan (1512) | Lost 0-2 | -161425 |
| average opponent: 1467record: 2-6-1 | new rating: 1425 | |||