De Pee, Ferdinand
Current rating: 1504
Record: 3-3
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Limneos, Paul (1464) | Won 2-1 | +171517 |
| 2sealed | 9 | Hori, Daisuke (1518) | Won 2-1 | +181535 |
| 3sealed | 56 | Bricout, Francois (1783) | Lost 0-2 | -131522 |
| 4sealed | 153 | Steeger, Thomas (1553) | Lost 1-2 | -181504 |
| 5sealed | 146 | Engelen, Tom (1501) | Won 2-0 | +181522 |
| 6sealed | 139 | Stahl, Gerry (1504) | Lost 0-2 | -181504 |
| average opponent: 1554record: 3-3 | new rating: 1504 | |||