Gastard, Sebastien
Current rating: 1454
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 389 | Demarly, Thomas (1518) | Lost 0-2 | -171452 |
| 2sealed | 565 | Voidey, Clement (1466) | Won 2-0 | +181470 |
| 3sealed | 664 | Jonas, Jeff (1472) | Lost 0-2 | -181452 |
| 4sealed | 737 | Ferguson, Sean (1536) | Won 2-1 | +201472 |
| 5sealed | 649 | Porcher, Cesar (1466) | Lost 1-2 | -181454 |
| top | average opponent: 1491record: 2-3 | new rating: 1454 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 577 | Bondon, Pierre (1462) | Won 2-1 | +171524 |
| 2standard | 647 | Wuensche, Daniel (1500) | Lost 1-2 | -191505 |
| 3standard | 688 | Cattrysse, Sabbe (1592) | Lost 0-2 | -161489 |
| 4standard | 798 | Jalabert, Damien (1389) | Lost 0-2 | -201469 |
| top | average opponent: 1486record: 1-3 | new rating: 1469 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 534 | Guzel, Adam (1486) | Draw 1-1 | 01500 |
| 2sealed | 679 | Mata, Diego (1607) | Won 2-1 | +201520 |
| 3sealed | 618 | Mangenot, Maxime (1518) | Won 2-0 | +181538 |
| 4sealed | 610 | Deloly, Mathieu (1637) | Lost 1-2 | -171521 |
| 5sealed | 671 | Andersen, Oyvind Wefald (1698) | Lost 1-2 | -141507 |
| top | average opponent: 1589record: 2-2-1 | new rating: 1507 | ||