Okon, Janusz
Current rating: 1469
Record: 6-8
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Egorov, Andrey (1480) | Lost 0-2 | -181507 |
| 2sealed | 519 | Van Velzen, Rody (1480) | Won 2-1 | +171524 |
| 3sealed | 494 | Schmid, Mattia (1488) | Lost 0-2 | -191505 |
| 4sealed | 689 | Zehner, Joran (1481) | Lost 1-2 | -181487 |
| 5sealed | 721 | Kafarov, Konstantin (1468) | Lost 0-2 | -181469 |
| average opponent: 1479record: 1-4 | new rating: 1469 | |||
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 30 | Bordac, Lukas (1403) | Won 2-0 | +161516 |
| 2standard | 163 | Ahkaloo, Jhayshan (1750) | Lost 0-2 | -141502 |
| 3standard | 385 | Bedynski, Bartosz (1501) | Won 2-1 | +181520 |
| 4standard | 336 | Maurer, Tobias (1809) | Lost 0-2 | -121508 |
| 5standard | 342 | Bedkowska, Kaja (1491) | Lost 1-2 | -191489 |
| 6standard | 506 | Horecki, Marcin (1439) | Won 2-0 | +171506 |
| 7standard | 338 | Fryca, Krzysztof (1473) | Won 2-1 | +181524 |
| 8standard | 266 | Burger, Martin (1592) | Won 2-0 | +191543 |
| 9standard | 144 | Freitas, Rui (1568) | Lost 1-2 | -181525 |
| average opponent: 1558record: 5-4 | new rating: 1525 | |||