Costumati, Tobia
Current rating: 1518
Record: 3-2-1
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 471 | Florez de Uria, Thomas (1356) | Draw 1-1 | -31497 |
| 2sealed | 388 | Haverkort, Bram (1498) | Won 2-1 | +181515 |
| 3sealed | 363 | Heinkel, Christian (1516) | Won 2-0 | +181533 |
| 4sealed | 195 | Mark, Dennis (1598) | Lost 0-2 | -161517 |
| 5sealed | 347 | Schreck, Alexander (1677) | Won 2-1 | +201537 |
| 6sealed | 219 | Griffini, Stefano (1474) | Lost 0-2 | -191518 |
| average opponent: 1520record: 3-2-1 | new rating: 1518 | |||