Seijsener, Niels
Current rating: 1481
Record: 5-6
| Grand Prix Prague 2017 (AER limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 361 | Stampa, Emil (1500) | Lost 1-2 | -181484 |
| 2sealed | 550 | Gazvoda, Nejc (1482) | Won 2-0 | +181502 |
| 3sealed | 698 | Proell, Markus (1340) | Lost 0-2 | -211481 |
| 4sealed | 717 | Kostelny, Pavel (1345) | Won 2-0 | +161497 |
| 5sealed | 691 | Arndt, Tilmann (1623) | Lost 1-2 | -161481 |
| average opponent: 1458record: 2-3 | new rating: 1481 | |||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 68 | Weinberger, Andre (1518) | Lost 1-2 | -181482 |
| 2extended | 323 | Brun, Frits (1482) | Lost 1-2 | -181464 |
| 3extended | 392 | Schultes, Tim (1464) | Won 2-1 | +181482 |
| 4extended | 367 | Metzmacher, Markus (1482) | Won 2-1 | +181500 |
| 5extended | 230 | van Os, Michiel (1501) | Won 2-0 | +181518 |
| 6extended | 222 | Ruess, Jan (1635) | Lost 0-2 | -161502 |
| average opponent: 1514record: 3-3 | new rating: 1502 | |||