Kukuk, Kolja
Current rating: 1483
| Grand Prix Bilbao 2005 (extended) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 484 | De Peque, David (1500) | Won 2-0 | +181519 |
| 2extended | 408 | Lamiel, Enrique (1518) | Lost 0-2 | -181501 |
| 3extended | 439 | Tete, Samu (1501) | Lost 0-2 | -181483 |
| top | average opponent: 1506record: 1-2 | new rating: 1483 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 348 | Kroon, Renee (1500) | Won 2-1 | +191465 |
| 2extended | 112 | Kennes, Johan (1642) | Won 2-0 | +211486 |
| 3extended | 141 | Lemey, Maarten (1554) | Won 2-1 | +191505 |
| 4extended | 30 | Thomsen, Sascha (1516) | Won 2-1 | +191524 |
| 5extended | 46 | Massat, Nicolas (1644) | Lost 1-2 | -161508 |
| 6extended | 83 | Acquafermata, Renato (1627) | Won 2-1 | +201528 |
| 7extended | 64 | Warmenhoven, Ruud (1755) | Lost 0-2 | -141514 |
| 8extended | 80 | Hoeh, Hans Joachim (1781) | Lost 1-2 | -131501 |
| top | average opponent: 1627record: 5-3 | new rating: 1501 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 292 | Souchay, Marc (1500) | Lost 0-2 | -181482 |
| 2sealed | 321 | Schofnagel, Reinhold (1483) | Lost 0-2 | -181464 |
| 3sealed | 453 | Tsiaouses, Mathias (1464) | Won 2-0 | +181482 |
| 4sealed | 389 | Antos, Timo (1479) | Won 2-0 | +181500 |
| 5sealed | 275 | Ruth, John (1575) | Lost 0-2 | -171483 |
| 6sealed | 281 | Dinh, Dang Ngoc Huy (1486) | Won 2-1 | +181501 |
| 7sealed | 223 | Platzer, Lubos (1450) | Lost 0-2 | -191482 |
| 8sealed | 186 | Vilm, Jerome (1504) | Lost 0-2 | -171465 |
| 9sealed | 173 | Lakatos, Mark (1419) | Lost 0-2 | -191446 |
| top | average opponent: 1485record: 3-6 | new rating: 1446 | ||