Costabile, Adam
Current rating: 1447
Record: 2-5
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 115 | Temenak, Robert (1626) | Lost 0-2 | -161484 |
| 2legacy | 301 | Porter, John (1411) | Won 2-0 | +171501 |
| 3legacy | 369 | Foldes, Tomas (1385) | Lost 1-2 | -201481 |
| 4legacy | 419 | Hridoi, Anupam (1498) | Won 2-1 | +181499 |
| 5legacy | 373 | Tash, Alexsander (1486) | Lost 0-2 | -181481 |
| 6legacy | 323 | Lee, Andrew (1435) | Lost 0-2 | -191462 |
| 7legacy | 292 | Alberty, Giovanni (1644) | Lost 0-2 | -151447 |
| average opponent: 1498record: 2-5 | new rating: 1447 | |||