Perkowski, Jakub
Current rating: 1428
Record: 0-4-1
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 121 | Maciejewski, Mateusz (1559) | Lost 0-2 | -171483 |
| 2standard | 329 | Checa Fernandez, Ivo Javier (1486) | Lost 1-2 | -181465 |
| 3standard | 530 | Rynkiewicz, Miroslaw (1465) | Lost 0-2 | -181447 |
| 4standard | 536 | Holowczak, Maciej (1364) | Draw 1-1 | -11446 |
| 5standard | 524 | Kornobis, Maciej (1445) | Lost 0-2 | -181428 |
| average opponent: 1464record: 0-4-1 | new rating: 1428 | |||