Kastberg, Michael
Current rating: 1523
Record: 8-7-1
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Lange, Holger (1618) | Lost 0-2 | -171523 |
| top | record: 0-1 | new rating: 1523 | ||
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 177 | Bleekemolen, Stijn (1537) | Lost 0-2 | -181540 |
| top | record: 0-1 | new rating: 1540 | ||
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 230 | Milillo, Andrea (1644) | Lost 0-2 | -161545 |
| 2sealed | 294 | Bellini, Niccolo (1512) | Lost 1-2 | -191526 |
| 3sealed | 530 | Holzherr, Philipp (1460) | Won 2-0 | +171543 |
| 4sealed | 443 | Tsorbatzidis, Vasilis (1373) | Won 2-1 | +151558 |
| 5sealed | 372 | Kenyeres, Akos (1619) | Won 2-0 | +191577 |
| 6sealed | 189 | Menendez, Christian (1518) | Lost 0-2 | -191558 |
| top | average opponent: 1521record: 3-3 | new rating: 1558 | ||
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Andersen, Jeanette (1446) | Won 2-1 | +171517 |
| 2sealed | 79 | Jaki, Thomas (1611) | Won 2-0 | +201537 |
| 3sealed | 25 | Gausdal, Bjorn (1710) | Draw 1-1 | +31540 |
| 4sealed | 68 | Facchini, Nullo (1447) | Won 2-0 | +161556 |
| 5sealed | 35 | Skalevik, Tore (1664) | Won 2-0 | +201576 |
| 6sealed | 18 | Josefsen, Simen (1583) | Lost 0-2 | -181558 |
| 7sealed | 45 | Suwald, Michael (1566) | Won 2-0 | +181576 |
| 8sealed | 29 | Linder, David (1743) | Lost 0-2 | -151561 |
| top | average opponent: 1596record: 5-2-1 | new rating: 1561 | ||