Roos, Marco
Current rating: 1483
Record: 4-5
| Grand Prix Lyon 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Barthelemy, Cedric (1500) | Lost 1-2 | -181482 |
| 2sealed | 327 | Guillaume, Graneris (1482) | Lost 0-2 | -181464 |
| 3sealed | 416 | Vigneau, Quentin (1464) | Won 2-0 | +181482 |
| 4sealed | 361 | Barberet, Stephane (1482) | Won 2-0 | +181500 |
| 5sealed | 320 | Frecaut, Sebastien (1500) | Won 2-1 | +181518 |
| 6sealed | 237 | Meras, Benoit (1518) | Lost 0-2 | -181500 |
| 7sealed | 210 | Bourges, Garance (1503) | Won 2-1 | +181518 |
| 8sealed | 161 | Gonday, Pierre-Yves (1557) | Lost 1-2 | -171501 |
| 9sealed | 178 | Mongilardi, Gilles (1502) | Lost 0-2 | -181483 |
| average opponent: 1501record: 4-5 | new rating: 1483 | |||