Di Costanzo, Alex
Current rating: 1506
Record: 3-3
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 232 | McCowan, James (1466) | Won 2-0 | +171517 |
| 2sealed | 152 | Leonard, Will (1519) | Won 2-1 | +181535 |
| 3sealed | 257 | Hill, Darryl (1500) | Lost 0-2 | -181517 |
| 4sealed | 284 | Wash, William (1577) | Won 2-1 | +191536 |
| 5sealed | 103 | Clough, Isaiah (1678) | Lost 0-2 | -161520 |
| 6sealed | 359 | Younes, Amin (1740) | Lost 1-2 | -141506 |
| average opponent: 1580record: 3-3 | new rating: 1506 | |||