Osborne, Joshua
Current rating: 1480
Record: 3-4
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 22 | McGouirk, Bill (1446) | Lost 1-2 | -191481 |
| 2modern | 511 | Lanceford, Callie (1509) | Won 2-1 | +191500 |
| 3modern | 433 | Briscoe, Britt (1502) | Lost 0-2 | -181482 |
| 4modern | 554 | Roberts, Jonathan (1348) | Won 2-0 | +151497 |
| 5modern | 510 | Humphrey, Taylor (1500) | Lost 0-2 | -181479 |
| 6modern | 556 | Morgan, Jacob (1503) | Won 2-0 | +191498 |
| 7modern | 450 | Mann, Kyle (1498) | Lost 1-2 | -181480 |
| average opponent: 1472record: 3-4 | new rating: 1480 | |||