Sambusiti, Umberto
Current rating: 1484
Record: 2-4
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 66 | Ritter, Simon (1718) | Lost 0-2 | -141486 |
| 4modern | 306 | Mraz, Daniel (1531) | Won 2-1 | +191505 |
| 5modern | 245 | Bonnes, Nicolas (1596) | Won 2-0 | +191524 |
| 6modern | 168 | Heigerer, Stefan (1786) | Lost 0-2 | -131511 |
| 7modern | 401 | Choca, Joao (1972) | Lost 1-2 | -101501 |
| 8modern | 405 | Lavrijssen, Remon (1578) | Lost 1-2 | -171484 |
| average opponent: 1697record: 2-4 | new rating: 1484 | |||