Kolberg, Frank
Current rating: 1407
Record: 6-11
| Grand Prix Prague 2018 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 621 | Millet, Alexandre (1514) | Lost 1-2 | -181462 |
| 2modern | 669 | Kozuch, Frantisek (1400) | Lost 0-2 | -191443 |
| 3modern | 875 | Sommer, Eugen (1421) | Lost 1-2 | -181425 |
| 4modern | 928 | Schmidt, Jan 2 (1445) | Lost 0-2 | -181407 |
| 5modern | 914 | Weiss, Lukas (1431) | Won 2-1 | +181425 |
| 6modern | 777 | Haleblian, Boris (1396) | Lost 0-2 | -181407 |
| 7modern | 727 | Pohlmann, Susanne (1390) | Lost 0-2 | -181389 |
| 8modern | 659 | Schulte, Timo (1407) | Won 2-0 | +181407 |
| average opponent: 1425record: 2-6 | new rating: 1407 | |||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 24 | Mills, James R (1471) | Lost 0-2 | -191481 |
| 2legacy | 358 | Klomp, Michael (1481) | Won 2-1 | +181499 |
| 3legacy | 139 | De Waegeneer, Stevie (1449) | Won 2-1 | +181517 |
| 4legacy | 197 | Minon, Jerome (1518) | Lost 0-2 | -181499 |
| 5legacy | 239 | Seichter, Martin (1497) | Lost 1-2 | -181481 |
| 6legacy | 304 | Pettersson, Mikael (1418) | Lost 1-2 | -201461 |
| 7legacy | 305 | Vlaanderen, Kees (1465) | Won 2-1 | +181479 |
| 8legacy | 225 | Lavergne, Guillaume (1480) | Lost 0-2 | -181461 |
| 9legacy | 205 | Witteman, Wesley (1464) | Won 2-0 | +191480 |
| average opponent: 1471record: 4-5 | new rating: 1480 | |||