Onken, Sven
Current rating: 1491
Record: 4-5
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 422 | Mikolas, Dominik (1545) | Won 2-1 | +191519 |
| 2sealed | 61 | Mate, Marian (1610) | Lost 1-2 | -171502 |
| 3sealed | 502 | Jakobs, Florian (1457) | Won 2-1 | +181520 |
| 4sealed | 427 | Roudier, Remi (1648) | Lost 0-2 | -161504 |
| 5sealed | 597 | Scheer, Thomas (1569) | Won 2-1 | +191523 |
| 6sealed | 303 | Chieregato, Luca (1353) | Lost 1-2 | -211502 |
| 7sealed | 581 | Jirasek, Vaclav (1505) | Won 2-1 | +181520 |
| 8sealed | 452 | Kathriner, Roman (1756) | Lost 0-2 | -141506 |
| 9sealed | 489 | Bruski, Bartosz (1672) | Lost 1-2 | -151491 |
| average opponent: 1568record: 4-5 | new rating: 1491 | |||