Maciejuniec, Maciej
Current rating: 1495
Record: 8-9
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Edis, Dogukan (1512) | Lost 0-2 | -161428 |
| 2sealed | 605 | Barnes, Aidan (1631) | Won 2-1 | +211449 |
| 3sealed | 556 | Helfer, Felix (1505) | Won 2-1 | +191468 |
| 4sealed | 574 | Miarecki, Patryk (1521) | Won 2-1 | +191487 |
| 5sealed | 141 | Bernacki, Daniel (1456) | Won 2-0 | +181505 |
| 6sealed | 78 | Diekjobst, Lukas (1704) | Lost 0-2 | -151490 |
| 7sealed | 327 | Stifter, Christian (1672) | Lost 1-2 | -141476 |
| 8sealed | 392 | Kotlenko, Alexander (1560) | Won 2-0 | +191495 |
| average opponent: 1570record: 5-3 | new rating: 1495 | |||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Karpierz, Jarek (1500) | Lost 0-2 | -181482 |
| 2standard | 289 | Csente, David (1469) | Lost 1-2 | -181464 |
| 3standard | 397 | Kluytmans, Wilko (1413) | Won 2-0 | +171481 |
| 4standard | 417 | Saari, Pertti (1454) | Lost 1-2 | -191462 |
| 5standard | 447 | Misnik, Mateusz (1469) | Lost 1-2 | -181444 |
| 6standard | 428 | Tichy, Marek (1448) | Lost 1-2 | -171427 |
| 7standard | 403 | Mstowski, Dariusz (1427) | Lost 1-2 | -181409 |
| 8standard | 192 | Misa, Marek (1428) | Won 2-1 | +181427 |
| 9standard | 325 | Kukk Gronbjerg, Peter (1397) | Won 2-0 | +171444 |
| average opponent: 1445record: 3-6 | new rating: 1444 | |||