Lazniak, Radek
Current rating: 1465
Record: 3-5
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 88 | Eckerberg, Per (1572) | Won 2-1 | +191519 |
| 2sealed | 205 | Ortega, Jon (1485) | Lost 0-2 | -181501 |
| 3sealed | 602 | Kaufmann, Martin (1408) | Won 2-1 | +161517 |
| 4sealed | 356 | Gomez Galvan, Carlos (1604) | Lost 1-2 | -161501 |
| 5sealed | 650 | Prorokov, Grigory (1498) | Lost 1-2 | -181483 |
| 6sealed | 596 | Buque, Sidney (1479) | Won 1-0 | +171500 |
| 7sealed | 530 | Pustelnik, Sebastian (1505) | Lost 0-2 | -171483 |
| 8sealed | 466 | Edelson, Steven (1518) | Lost 1-2 | -181465 |
| average opponent: 1508record: 3-5 | new rating: 1465 | |||