Kowalewski, Lukasz
Current rating: 1540
Record: 4-2-1
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 578 | Waananen, Aatu (1553) | Won 2-0 | +181540 |
| record: 1-0 | new rating: 1540 | |||
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 155 | Gigler, Lukas (1632) | Won 2-1 | +201520 |
| 2modern | 338 | Trommer, Jens (1475) | Won 2-1 | +181538 |
| 3modern | 424 | Klimke, Chris (1630) | Lost 0-2 | -171521 |
| 4modern | 273 | Noertershaeuser, Jens (1472) | Won 2-0 | +171538 |
| 5modern | 303 | Gregorich, Christian (1696) | Draw 1-1 | +31541 |
| 6modern | 282 | Barbero, Ignacio (1467) | Lost 0-2 | -191522 |
| average opponent: 1562record: 3-2-1 | new rating: 1522 | |||