Porstner, Sascha
Current rating: 1447
Record: 1-4
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 251 | Dvorak, Radoslav (1529) | Lost 1-2 | -171483 |
| 2modern | 706 | Okland, Disa (1445) | Lost 1-2 | -191464 |
| 3modern | 853 | Rink, Patrick (1463) | Won 2-0 | +181482 |
| 4modern | 844 | Klein Kiskamp, Peter Jan (1529) | Lost 0-2 | -171465 |
| 5modern | 865 | Standke, Jan (1465) | Lost 0-2 | -181447 |
| average opponent: 1486record: 1-4 | new rating: 1447 | |||