Kroker, Kolja
Current rating: 1659
Record: 14-6-1
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 99 | Pezzotti, Fabio (1474) | Won 2-0 | +161627 |
| 3sealed | 33 | Dulsster, Dries (1497) | Lost 0-2 | -211606 |
| 4sealed | 118 | Mallee, Sebastian (1518) | Won 2-0 | +171623 |
| 5sealed | 52 | Kasel, Peter (1622) | Won 2-1 | +181641 |
| 6sealed | 48 | Kroger, Peer (1953) | Lost 1-2 | -131628 |
| 7sealed | 69 | Horn, Mario (1538) | Draw 1-1 | -21626 |
| 8sealed | 74 | Schultz, Carsten (1517) | Won 2-0 | +161642 |
| 9sealed | 46 | Krosch, Kai (1558) | Won 2-1 | +171659 |
| average opponent: 1585record: 5-2-1 | new rating: 1659 | |||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 31 | Steinhofer, Armin (1518) | Won 2-0 | +181518 |
| 3sealed | 21 | Polgary, Mikael (1726) | Lost 0-2 | -141504 |
| 4sealed | 142 | Rodriguez Vilanova, Nestor (1597) | Won 2-0 | +201524 |
| 5sealed | 90 | Altrichter, Stefan (1540) | Won 2-0 | +181542 |
| 6sealed | 108 | Joebstl, Markus (1664) | Won 2-1 | +201562 |
| 7sealed | 31 | Hovi, Tommi (1989) | Won 2-1 | +261588 |
| 8sealed | 34 | Bauer, Sebastian (1592) | Won 2-0 | +181606 |
| 9sealed | 14 | Lybaert, Marijn (1610) | ID | 01606 |
| 10rochester | 14 | Hernandez, Jean-Baptiste (1682) | Won 2-1 | +191625 |
| 11rochester | 4 | Skampa, Jan (1620) | Won 2-0 | +181643 |
| 12rochester | 6 | Johannsen, Dennis (1651) | Won 2-1 | +181661 |
| 13rochester | 11 | Scholz, Hannes (1778) | Lost 0-2 | -161645 |
| 14rochester | 2 | Kroll, Tobias (1757) | Lost 1-2 | -161629 |
| 15rochester | 11 | Goertzen, Simon (1614) | Lost 1-2 | -181611 |
| average opponent: 1667record: 9-4-1 | new rating: 1611 | |||