Plaska, Michal
Current rating: 1451
Record: 4-7
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 160 | Wakarecy, Karol (1542) | Lost 0-2 | -171463 |
| 2sealed | 360 | Hedman, Anders (1679) | Won 2-0 | +221485 |
| 3sealed | 274 | Zachara, Stefan (1567) | Lost 1-2 | -171468 |
| 4sealed | 348 | Butkiewicz, Michal (1484) | Lost 0-2 | -171451 |
| average opponent: 1568record: 1-3 | new rating: 1451 | |||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 4 | Wildhofen, Klaus (1500) | Lost 1-2 | -181482 |
| 2standard | 260 | Andersson, Emil (1446) | Lost 1-2 | -191463 |
| 3standard | 382 | Potoczek, Wojciech (1435) | Lost 0-2 | -181445 |
| 4standard | 477 | Sund, Emma (1358) | Won 1-0 | +161461 |
| 5standard | 434 | Marcolungo, Gregory (1466) | Won 2-0 | +181479 |
| 6standard | 380 | Jastrzebowski, Piotr (1484) | Won 2-1 | +181497 |
| 7standard | 346 | Omelyanchik, Alexander (1520) | Lost 1-2 | -171480 |
| average opponent: 1459record: 3-4 | new rating: 1480 | |||