Gruber, Oliver
Current rating: 1470
Record: 5-7
| Grand Prix Bologna 2019 (legacy) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 103 | Cabezas Blanco, Aitor (1570) | Lost 1-2 | -171468 |
| 2legacy | 545 | Nevot, Jordi (1451) | Lost 1-2 | -181450 |
| 3legacy | 753 | Haunschild, Felix (1567) | Won 2-0 | +201470 |
| 4legacy | 498 | Bortolai, Davide (1465) | Won 2-0 | +181488 |
| 5legacy | 528 | Serra, Antonino (1501) | Lost 1-2 | -181470 |
| average opponent: 1511record: 2-3 | new rating: 1470 | |||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 929 | Athi, Kris (1500) | Won 2-0 | +181518 |
| 2sealed | 580 | Faherty, Francesco (1501) | Lost 1-2 | -181500 |
| 3sealed | 632 | Anker-Nilssen, Rasmus (1530) | Won 2-0 | +181518 |
| 4sealed | 561 | Klakauskas, Julius (1679) | Won 2-1 | +211539 |
| 5sealed | 463 | Deinhardt, Benjamin (1498) | Lost 1-2 | -191520 |
| 6sealed | 397 | Griebel, Joel (1521) | Lost 1-2 | -181502 |
| 7sealed | 615 | Body, John (1521) | Lost 0-2 | -171485 |
| average opponent: 1536record: 3-4 | new rating: 1485 | |||