Demetrakis, Gregory
Current rating: 1502
Record: 12-12-2
| Grand Prix Richmond 2014 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1058 | Xie, Da (1500) | Draw 1-1 | +11484 |
| 2modern | 1358 | Hardie, Brian (1483) | Lost 1-2 | -181466 |
| 3modern | 1562 | Adinolfi, Vincent (1482) | Draw 1-1 | 01466 |
| 4modern | 1607 | Johnson, Carl (1482) | Won 2-0 | +181484 |
| 5modern | 1497 | Florio, Kevin (1469) | Won 2-1 | +181502 |
| 6modern | 1379 | Pianalto, Austin (1510) | Won 2-1 | +181520 |
| 7modern | 1270 | Graber, Frank (1538) | Lost 0-2 | -181502 |
| top | average opponent: 1495record: 3-2-2 | new rating: 1502 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 822 | Keller, Chris (1464) | Won 2-1 | +171520 |
| 2sealed | 796 | Fergerson, Philip T (1445) | Lost 0-2 | -191501 |
| 3sealed | 1079 | Kmon, Nicholas (1534) | Lost 1-2 | -181483 |
| top | average opponent: 1481record: 1-2 | new rating: 1483 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 167 | Finfrock, Nathan E (1500) | Lost 0-2 | -191503 |
| 2legacy | 430 | Mabry, James (1482) | Won 2-1 | +181521 |
| 3legacy | 280 | Walton, Christopher (1570) | Lost 0-2 | -171504 |
| 4legacy | 507 | Wright, William (1481) | Lost 0-2 | -191485 |
| 5legacy | 498 | Baldwin, Aiden (1464) | Won 2-0 | +181503 |
| 6legacy | 449 | Fitzgerald, David A (1610) | Lost 0-2 | -161487 |
| 7legacy | 368 | Baker, James E (1417) | Lost 0-2 | -191468 |
| 8legacy | 310 | Plouff, Eli (1443) | Won 2-0 | +171485 |
| 9legacy | 236 | Harper, Stephen (1464) | Won 2-0 | +181503 |
| top | average opponent: 1492record: 4-5 | new rating: 1503 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 19 | Uridil, Sean (1500) | Won 2-0 | +181518 |
| 2legacy | 144 | McGlynn, Jason P (1519) | Won 2-1 | +181536 |
| 3legacy | 40 | Butler, Jessie (1549) | Lost 0-2 | -181518 |
| 4legacy | 143 | Boggemes, Stephen (1602) | Lost 1-2 | -161502 |
| 5legacy | 164 | Kibe, Lance H (1526) | Won 2-1 | +181520 |
| 6legacy | 125 | Sussino, Tim (1617) | Won 2-1 | +201540 |
| 7legacy | 125 | Crouch, Nathan J (1521) | Lost 0-2 | -181522 |
| top | average opponent: 1548record: 4-3 | new rating: 1522 | ||