Mariani, Sergio
Current rating: 1450
Record: 1-4
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 536 | Kuchenbecker, Sebastian (1906) | Lost 0-2 | -111489 |
| 2sealed | 589 | Kleijwegt, Stefan (1428) | Lost 1-2 | -191470 |
| 3sealed | 665 | Gschossmann, Christoph (1564) | Lost 0-2 | -161454 |
| 4sealed | 664 | Selchau, Dan (1392) | Won 2-0 | +171471 |
| 5sealed | 565 | Olejniczak, Andrzej (1346) | Lost 0-2 | -211450 |
| average opponent: 1527record: 1-4 | new rating: 1450 | |||