Morfessis, Nikolaos
Current rating: 1481
Record: 5-7
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Gill, Roger (1500) | Lost 0-2 | -171446 |
| 2standard | 267 | Butler, Ronald (1482) | Won 2-0 | +191465 |
| 3standard | 311 | Reynolds, Patrick (1808) | Won 2-0 | +241489 |
| 4standard | 188 | Hoffman, Alexander (1569) | Won 2-1 | +191508 |
| 5standard | 98 | Ingram, Peter (1719) | Lost 1-2 | -141494 |
| 6standard | 229 | Pho, Teresa (1758) | Lost 0-2 | -131481 |
| average opponent: 1639record: 3-3 | new rating: 1481 | |||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 71 | Kindberg, Lance (1400) | Won 2-1 | +161516 |
| 2standard | 314 | Zimmerman, Rob (1546) | Lost 1-2 | -171499 |
| 3standard | 602 | Paxhia, Peter (1501) | Won 2-1 | +181517 |
| 4standard | 442 | Sottile, Aiden (1645) | Lost 0-2 | -161501 |
| 5standard | 455 | Gabriele, Mark (1468) | Lost 1-2 | -181483 |
| 6standard | 525 | Tyson, Thomas (1416) | Lost 0-2 | -201463 |
| average opponent: 1496record: 2-4 | new rating: 1463 | |||