Holowczak, Maciej
Current rating: 1348
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 232 | Kivi, Karl Aleksander (1500) | Lost 0-2 | -171397 |
| 2standard | 310 | Juhlin Rosen, Nicklas (1482) | Lost 0-2 | -161381 |
| 3standard | 513 | Wang, Yichen [BEL] (1454) | Lost 0-2 | -171364 |
| 4standard | 536 | Perkowski, Jakub (1447) | Draw 1-1 | +21366 |
| 5standard | 525 | Sabelnikov, Vladyslav (1358) | Lost 0-2 | -181348 |
| top | average opponent: 1448record: 0-4-1 | new rating: 1348 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 35 | Palmkvist, Joakim (1569) | Lost 0-2 | -171447 |
| 2standard | 348 | Moravec, Jozef (1482) | Draw 1-1 | +11448 |
| 3standard | 485 | Klepczarek, Lukasz (1539) | Lost 0-2 | -161432 |
| 4standard | 530 | Wieczorek, Piotr (1431) | Lost 0-2 | -181414 |
| top | average opponent: 1505record: 0-3-1 | new rating: 1414 | ||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 126 | Barnhoorn, Ruben (1451) | Won 2-1 | +171517 |
| 2standard | 4 | Seta, Daniel (1556) | Lost 1-2 | -171500 |
| 3standard | 297 | Zacharias, Jan (1486) | Lost 0-2 | -181482 |
| 4standard | 452 | Matloka, Pawel (1483) | Lost 0-2 | -181464 |
| top | average opponent: 1494record: 1-3 | new rating: 1464 | ||