Oleszczuk, Tomasz
Current rating: 1525
Record: 8-8
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 388 | Brandt, Kenneth (1938) | Won 2-0 | +261514 |
| 2sealed | 320 | Richter, Till (1540) | Won 2-1 | +181532 |
| 3sealed | 7 | Vefa, Yusuf Kemal (1632) | Won 2-1 | +201552 |
| 4sealed | 21 | Kaplan, Adam (1520) | Lost 1-2 | -181534 |
| 5sealed | 136 | Zatlkaj, Matej (1942) | Lost 1-2 | -111523 |
| 6sealed | 482 | Picon Alonso, Juan (1615) | Won 2-0 | +191542 |
| 7sealed | 394 | Wandeler, Ramon (1589) | Lost 1-2 | -171525 |
| average opponent: 1682record: 4-3 | new rating: 1525 | |||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Seta, Daniel (1635) | Lost 0-2 | -161484 |
| 2sealed | 289 | Dadel, Kamil (1449) | Lost 1-2 | -181466 |
| 3sealed | 428 | Vazquez, Francisco Fidel (1700) | Won 2-0 | +221488 |
| 4sealed | 427 | Wysoczanski, Krzysztof (1657) | Won 2-1 | +211509 |
| 5sealed | 236 | Rembisz, Krzysztof (1502) | Lost 1-2 | -181491 |
| 6sealed | 317 | Zamecnik, Georg (1483) | Won 2-1 | +181509 |
| 7sealed | 230 | Kaarls, Leonard (1462) | Lost 0-0 | -191490 |
| 8sealed | 277 | Dziewa, Bartosz (1482) | Lost 1-2 | -181472 |
| 9sealed | 261 | Dadel, Przemyslaw (1387) | Won 2-0 | +161488 |
| average opponent: 1528record: 4-5 | new rating: 1488 | |||