Januszewski, Marcin
Current rating: 1459
Record: 6-8-1
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 230 | Janiak, Marcin (1413) | Lost 0-2 | -201478 |
| 2sealed | 353 | Belkasmi, Trond (1463) | Won 2-0 | +181496 |
| 3sealed | 350 | Rutkowski, Tomasz (1431) | Lost 1-2 | -191477 |
| 4sealed | 415 | Horev, Ori (1510) | Lost 0-2 | -181459 |
| 5sealed | 412 | Deduchov, Edgar (1463) | Won 2-0 | +181477 |
| 6sealed | 373 | Ben-Yami, Jotham (1472) | Lost 0-2 | -181459 |
| average opponent: 1459record: 2-4 | new rating: 1459 | |||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 138 | Sodergren, Christian (1464) | Lost 0-2 | -191481 |
| 2standard | 288 | Chomicki, Maciej (1482) | Draw 1-1 | 01481 |
| 3standard | 361 | Buras, Artur (1482) | Lost 1-2 | -181463 |
| 4standard | 465 | Sekretarev, Nikita (1330) | Won 2-0 | +161479 |
| 5standard | 177 | Wiktorowicz, Robert (1481) | Won 2-0 | +181497 |
| 6standard | 343 | Wisz, Lukasz (1518) | Lost 0-2 | -181479 |
| 7standard | 361 | Makowski, Krzysztof (1464) | Lost 0-2 | -181461 |
| 8standard | 339 | Csikos, Gergely (1469) | Won 2-1 | +181479 |
| 9standard | 285 | Gubanov, Vlad (1496) | Won 2-0 | +191498 |
| average opponent: 1465record: 4-4-1 | new rating: 1498 | |||