Muellern, Matthias
Current rating: 1477
Record: 5-7-1
| Grand Prix Prague 2017 (AER limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 332 | Fischer, Michael (1509) | Won 2-1 | +181501 |
| 4sealed | 111 | Martin, Wolfram (1629) | Lost 0-2 | -151486 |
| 5sealed | 416 | Peuker, Thomas (1583) | Won 2-1 | +191505 |
| 6sealed | 153 | Novak, Jonas (1514) | Lost 0-2 | -171488 |
| 7sealed | 334 | Witte, Maarten (1471) | Lost 0-2 | -191469 |
| 8sealed | 450 | Schoots, Isha (1535) | Won 2-0 | +191488 |
| 9sealed | 352 | Citino, Guido (1889) | Lost 1-2 | -111477 |
| average opponent: 1590record: 3-4 | new rating: 1477 | |||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 257 | Cwik, Michal (1500) | Lost 0-2 | -181482 |
| 2standard | 248 | Baker, Aaron (1440) | Won 2-0 | +171499 |
| 3standard | 363 | Kondilis, Anthony (1540) | Lost 1-2 | -171482 |
| 4standard | 465 | Rossi, Mattia (1483) | Draw 1-1 | 01482 |
| 5standard | 456 | Bjorland, Ivar (1484) | Won 2-0 | +181500 |
| 6standard | 366 | Kleczynski, Mateusz (1542) | Lost 0-2 | -171483 |
| average opponent: 1498record: 2-3-1 | new rating: 1483 | |||