Prins, Marc
Current rating: 1483
Record: 4-5
| Grand Prix Cologne 2001 (PLS limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Wagner, Mirko (1500) | Won 2-0 | +181500 |
| 2sealed | 93 | Mayer, Michael (1541) | Lost 1-2 | -171483 |
| 3sealed | 172 | Schunke, Frank (1500) | Lost 0-2 | -181465 |
| 4sealed | 220 | Lorenz, Mario (1483) | Won 2-1 | +181483 |
| average opponent: 1506record: 2-2 | new rating: 1483 | |||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Rothenheueler, Peter (1500) | Won 2-1 | +181518 |
| 2sealed | 43 | Andriopoulos, Nikos (1519) | Won 2-0 | +181536 |
| 3sealed | 12 | Twiefel, Torben (1508) | Lost 0-2 | -181518 |
| 4sealed | 101 | Krook, Nadra (1517) | Lost 1-2 | -181500 |
| 5sealed | 194 | Kinhof, Alexander (1501) | Lost 0-2 | -181482 |
| average opponent: 1509record: 2-3 | new rating: 1482 | |||