Weynen, Mark
Current rating: 1542
Record: 4-2-1
| Grand Prix Paris 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Martineau, Sven (1544) | Won 2-0 | +191519 |
| 2sealed | 63 | Hrubisko, Mikulas (1607) | Won 2-0 | +191538 |
| 3sealed | 95 | Lucas Luijckx, Jason (1519) | Won 2-1 | +181556 |
| 4sealed | 56 | van Riet, Luis (1686) | Draw 1-1 | +21558 |
| 5sealed | 46 | Galache Fernandez, Pablo (1615) | Won 2-0 | +191577 |
| 6sealed | 21 | Peray, Thomas (1600) | Lost 0-2 | -171560 |
| 7sealed | 60 | Boudaoud, Hakim (1581) | Lost 0-2 | -181542 |
| average opponent: 1593record: 4-2-1 | new rating: 1542 | |||