Efelis, George P
Current rating: 1612
Record: 14-9
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 644 | Rice, Kevin (1542) | Won 2-1 | +171612 |
| 2sealed | 86 | Wash, Thomas (1486) | Won 2-0 | +161628 |
| 3sealed | 48 | Weaver, James (1681) | Lost 1-2 | -171611 |
| 4sealed | 362 | Nass, Matthew (1943) | Won 2-1 | +241635 |
| 5sealed | 251 | Parshall, William (1603) | Lost 1-2 | -191616 |
| 6sealed | 288 | Holness, Devaghat (1447) | Won 2-0 | +151631 |
| 7sealed | 252 | Markowicz, Eric (1554) | Lost 1-2 | -191612 |
| average opponent: 1608record: 4-3 | new rating: 1612 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 335 | Cominetto, Jason (1500) | Won 2-0 | +181518 |
| 2sealed | 203 | Bankos, Brendon (1518) | Won 2-1 | +181536 |
| 3sealed | 97 | Chiarlanza, Tony (1535) | Lost 1-2 | -181518 |
| 4sealed | 155 | Willrich, Gregory (1541) | Won 2-0 | +181536 |
| 5sealed | 172 | Biondillo, Julian (1528) | Won 2-1 | +181554 |
| 6sealed | 49 | Blanchard, Michael (1512) | Won 2-1 | +181572 |
| 7sealed | 38 | Cho, Joshua (1767) | Won 2-0 | +211593 |
| 8sealed | 29 | Nunes, James (1830) | Won 2-1 | +221615 |
| 9sealed | 20 | Navarra, Ralph (1618) | Won 2-0 | +181633 |
| 10sealed | 20 | Kovac, Chase (1689) | Lost 0-2 | -171616 |
| 11draft | 104 | Napoli, Phillip (1693) | Lost 0-2 | -161600 |
| 12draft | 58 | Samson, Daniel (1718) | Lost 1-2 | -161584 |
| 13draft | 6 | Trebing, Andrew (1647) | Won 2-1 | +191603 |
| 14draft | 41 | Edwards, Cassidy (1628) | Lost 0-2 | -181585 |
| 15draft | 40 | Blackman, Brett (1779) | Won 2-1 | +221607 |
| 16draft | 18 | DeMars, Brian (1960) | Lost 0-2 | -121595 |
| average opponent: 1654record: 10-6 | new rating: 1595 | |||