Winkenstern, Jason
Current rating: 1481
Record: 3-4-1
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 398 | Li, Tingfei (1459) | Draw 1-1 | -11499 |
| 2sealed | 412 | Horecki, Marcin (1408) | Lost 0-2 | -191480 |
| 3sealed | 764 | Plescan, Catalin (1452) | Lost 0-2 | -191461 |
| 4sealed | 836 | Marty, Kevin (1539) | Lost 0-2 | -161445 |
| 5sealed | 792 | Wojdylo, Marek (1442) | Won 2-0 | +171462 |
| 6sealed | 682 | Zyga, Marcin (1464) | Lost 0-2 | -171445 |
| 7sealed | 601 | Mioduszewski, Piotr (1449) | Won 2-0 | +181463 |
| 8sealed | 495 | Chetnik, Maciej (1466) | Won 2-0 | +181481 |
| average opponent: 1460record: 3-4-1 | new rating: 1481 | |||