Marganne, Etienne
Current rating: 1415
| Grand Prix Paris 2014 (legacy) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 309 | Merlo, Gianluca (1556) | Won 2-1 | +201477 |
| 2legacy | 47 | Surkamp, Florian (1765) | Won 2-1 | +231500 |
| 3legacy | 92 | Garcia Gomez, David (1459) | Won 2-1 | +171517 |
| 4legacy | 569 | Socher, Philipp (1544) | Lost 1-2 | -171500 |
| 5legacy | 558 | Heibing, Kristian (1722) | Lost 0-2 | -141486 |
| 6legacy | 306 | Werder, Raphael (1456) | Lost 1-2 | -191467 |
| 7legacy | 446 | Carette, Remi (1653) | Lost 0-2 | -141453 |
| 8legacy | 400 | Henriet, Gerard (1459) | Lost 1-2 | -181435 |
| 9legacy | 371 | Vacher, Stephane (1361) | Lost 0-2 | -201415 |
| top | average opponent: 1553record: 3-6 | new rating: 1415 | ||
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 194 | Klocker, Elias (1844) | Lost 0-2 | -121471 |
| 2legacy | 507 | Elles, David (1536) | Won 2-1 | +191490 |
| 3legacy | 362 | Schunemann, Timo (1640) | Lost 0-0 | -151475 |
| 4legacy | 588 | De Smedt, Bart (1483) | Lost 0-2 | -181457 |
| top | average opponent: 1626record: 1-3 | new rating: 1457 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | De Swert, Bjorn (1500) | Lost 0-2 | -181482 |
| 2sealed | 221 | Gentil, Pascal (1556) | Won 2-0 | +191501 |
| 3sealed | 104 | Lalaire, Sebastien (1469) | Lost 1-2 | -181483 |
| top | average opponent: 1508record: 1-2 | new rating: 1483 | ||