Petrovych, Markian
Current rating: 1552
Record: 5-3
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 324 | Zehner, Joran (1500) | Won 2-0 | +181518 |
| 2sealed | 175 | Whyte, Ailsa (1553) | Lost 0-2 | -171501 |
| 3sealed | 685 | Hummel, Konstantin (1425) | Won 2-0 | +161517 |
| 4sealed | 412 | Muhlbock, Marc (1928) | Won 2-1 | +251542 |
| 5sealed | 348 | Pham, Hoang (1629) | Won 2-0 | +201562 |
| 6sealed | 171 | Trusiak, Kamil (1557) | Lost 0-2 | -181544 |
| 7sealed | 296 | Crotti, Enrico (1617) | Won 2-1 | +191563 |
| 8sealed | 197 | Ramis Pascual, Toni (1981) | Lost 0-2 | -111552 |
| average opponent: 1649record: 5-3 | new rating: 1552 | |||