Ducastaing, Benoit
Current rating: 1513
Record: 5-4
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 528 | Boyer, Alexandre (1445) | Lost 1-2 | -191519 |
| 2sealed | 696 | Solignac, Basile (1483) | Won 2-0 | +171536 |
| 3sealed | 693 | Couvin, Roland (1525) | Won 2-1 | +181554 |
| 4sealed | 719 | Hoydonckx, Yves (1388) | Lost 0-2 | -211533 |
| 5sealed | 696 | Cheval, Pierre (1431) | Lost 0-2 | -201513 |
| average opponent: 1455record: 2-3 | new rating: 1513 | |||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Pearl, Ashley (1500) | Won 2-1 | +181518 |
| 2sealed | 49 | von den Hoff, Tobias (1536) | Won 2-0 | +181536 |
| 3sealed | 47 | Hermes, Maxime (1680) | Won 2-1 | +211557 |
| 4sealed | 27 | Malmont, Yoan (1519) | Lost 0-2 | -191538 |
| average opponent: 1559record: 3-1 | new rating: 1538 | |||