Xenidis, Demetri N
Current rating: 1597
Record: 9-4-1
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 151 | Rockey, Craig D (1538) | Lost 1-2 | -171483 |
| 3extended | 366 | Pringle, Steve (1501) | Won 2-0 | +181501 |
| 4extended | 150 | Fornando, Matt (1505) | Won 2-0 | +181519 |
| 5extended | 73 | Phillips, Randy (1542) | Won 2-0 | +191538 |
| 6extended | 79 | Hummel, Justin (1494) | Won 2-0 | +171555 |
| 7extended | 47 | Cottrell, Scott (1562) | Won 2-1 | +181573 |
| 8extended | 34 | Heath, Christopher (1529) | Won 2-1 | +171590 |
| 9extended | 13 | Dunning, Edward (1612) | Won 2-0 | +181608 |
| 10extended | 11 | Mantey, Tyler (1687) | Lost 1-2 | -161592 |
| 11extended | 28 | Mushaty, Michael Y (1602) | Lost 1-2 | -181574 |
| 12extended | 39 | Conkle, Mark (1694) | Lost 1-2 | -161558 |
| 13extended | 47 | Adams, Ken (1576) | Won 2-1 | +191577 |
| 14extended | 41 | Rosenberry, Dustin L (1604) | Draw 1-1 | 01577 |
| 15extended | 36 | McKeown, Sean (1704) | Won 2-1 | +201597 |
| average opponent: 1582record: 9-4-1 | new rating: 1597 | |||