Neideigh, Zach
Current rating: 1449
Record: 4-7
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 140 | Rieg, Evan M (1500) | Lost 0-2 | -181467 |
| 2extended | 291 | Voduarka, Jesse J (1446) | Lost 1-2 | -181449 |
| 3extended | 400 | Cote, Kyle (1463) | Won 2-0 | +181467 |
| 4extended | 417 | Correia, Derrick (1482) | Lost 1-2 | -181449 |
| average opponent: 1472record: 1-3 | new rating: 1449 | |||
| Grand Prix Philadelphia 2005 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 110 | Woolbert, Jason (1500) | Won 2-0 | +181518 |
| 2legacy | 94 | Pepe, Jim (1564) | Lost 1-2 | -171501 |
| 3legacy | 118 | Higley, Eric (1501) | Won 2-0 | +181519 |
| 4legacy | 119 | Giancarli, Joseph (1523) | Won 2-1 | +181537 |
| 5legacy | 87 | Cardin, Guillaume (1499) | Lost 0-2 | -191518 |
| 6legacy | 132 | Gribble, Dylon (1666) | Lost 0-2 | -151503 |
| 7legacy | 119 | Dunleavy, Justin (1499) | Lost 0-2 | -181485 |
| average opponent: 1536record: 3-4 | new rating: 1485 | |||