Krook, Nadra
Current rating: 1475
Record: 11-13-1
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Lysak, Zdenek (1704) | Lost 0-2 | -131453 |
| 2sealed | 255 | Schreiber, Christoph (1624) | Won 2-1 | +211474 |
| 3sealed | 235 | Wolf, Gerhard (1481) | Lost 1-2 | -181456 |
| 4sealed | 284 | Del Pizzo, Rosario (1482) | Lost 0-2 | -181438 |
| 5sealed | 291 | Novak, Jiri 5282 (1464) | Won 2-0 | +191457 |
| 6sealed | 256 | Svogoda, Libor (1480) | Won 2-0 | +181475 |
| top | average opponent: 1539record: 3-3 | new rating: 1475 | ||
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 197 | Uittenbogaard, Kenny (1493) | Won 2-0 | +181483 |
| 2sealed | 39 | Bellegueulle, Julien (1533) | Lost 0-2 | -171466 |
| 3sealed | 254 | Rigole, Maarten (1379) | Won 2-1 | +161482 |
| 4sealed | 166 | Arcas Murillo, Luis Miguel (1522) | Lost 0-2 | -171465 |
| 5sealed | 184 | Lorent, Steve (1499) | Lost 1-2 | -171448 |
| 6sealed | 205 | Janssen, Arne (1479) | Won 2-0 | +181466 |
| top | average opponent: 1484record: 3-3 | new rating: 1466 | ||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 195 | van den Wouwer, Chris (1500) | Lost 1-2 | -191502 |
| 2sealed | 173 | Cleuren, Freddy (1482) | Lost 0-2 | -181484 |
| 3sealed | 249 | Francis, Patrick (1463) | Draw 1-1 | 01484 |
| 4sealed | 257 | Kaszubski, Michael (1463) | Lost 0-2 | -191465 |
| 5sealed | 236 | Bleker, Michael (1446) | Won 2-0 | +181483 |
| 6sealed | 193 | Yapar, Harun (1464) | Lost 0-2 | -181465 |
| top | average opponent: 1470record: 1-4-1 | new rating: 1465 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 60 | Loeber, Gerrit-Alwis (1498) | Won 2-1 | +181518 |
| 2sealed | 114 | Kreuzburg, Daniel (1518) | Lost 0-2 | -181500 |
| 3sealed | 132 | Warmenhoven, Ruud (1454) | Won 2-0 | +171517 |
| 4sealed | 101 | Prins, Marc (1518) | Won 2-1 | +181535 |
| 5sealed | 57 | Gemund, Tobias (1524) | Lost 1-2 | -181517 |
| 6sealed | 153 | Verhulst, Johan (1518) | Won 2-1 | +181535 |
| 7sealed | 112 | Odegaard, Oyvind (1752) | Lost 1-2 | -141521 |
| top | average opponent: 1540record: 4-3 | new rating: 1521 | ||