Gundogdu, Alper
Current rating: 1497
Record: 5-6-1
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 442 | Araque, Francisco (1746) | Lost 0-2 | -131456 |
| 2sealed | 590 | Papadatos, Fondas (1720) | Draw 1-1 | +51461 |
| 3sealed | 760 | Li, Tingfei (1443) | Won 2-0 | +181479 |
| 4sealed | 603 | Bartuzel, Maciej (1521) | Won 2-1 | +181497 |
| 5sealed | 427 | Papadakis, Angelos (1485) | Won 2-0 | +181515 |
| 6sealed | 268 | Jonski, Kamil (1515) | Lost 0-2 | -181497 |
| average opponent: 1572record: 3-2-1 | new rating: 1497 | |||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 357 | Armstrong, Sean (1546) | Lost 0-2 | -171483 |
| 2sealed | 380 | Craig, Michael (1484) | Won 2-0 | +181501 |
| 3sealed | 385 | Bartlett, Luke (1505) | Lost 1-2 | -181483 |
| 4sealed | 403 | Hahn, Fabian (1651) | Lost 0-2 | -151468 |
| 5sealed | 521 | Dukes, Matthew (1469) | Won 2-1 | +181486 |
| 6sealed | 438 | Griebel, Joel (1558) | Lost 1-2 | -171469 |
| average opponent: 1535record: 2-4 | new rating: 1469 | |||