Billion, Jean
Current rating: 1541
Record: 15-13
| Grand Prix Lyon 2010 (ROE limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 701 | Cuoq, Guillaume (1500) | Won 2-1 | +171540 |
| 2sealed | 576 | Cardoso, Ricardo (1617) | Lost 1-2 | -161524 |
| 3sealed | 701 | Feldman, Nicolas (1499) | Won 2-1 | +171541 |
| 4sealed | 659 | Sarton, Clement (1548) | Won 2-1 | +191560 |
| 5sealed | 598 | Hecquet, Kevin (1480) | Won 2-1 | +161576 |
| 6sealed | 562 | Bouchakour, Clement (1553) | Lost 0-0 | -181558 |
| 7sealed | 584 | Comte, Florian (1646) | Lost 0-2 | -171541 |
| top | average opponent: 1549record: 4-3 | new rating: 1541 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 305 | Cagnon, Laurent (1500) | Won 2-0 | +171543 |
| 2sealed | 103 | Hermann, Jonas (1463) | Won 2-1 | +171560 |
| 3sealed | 134 | Muhlbock, Marc (1620) | Won 2-0 | +191579 |
| 4sealed | 4 | Cavaleiro, Pedro (1642) | Lost 1-2 | -171562 |
| 5sealed | 129 | Krienbuehl, Thomas (1490) | Lost 1-2 | -191543 |
| 6sealed | 194 | Timmins, Guillaume (1440) | Lost 0-2 | -201523 |
| top | average opponent: 1526record: 3-3 | new rating: 1523 | ||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 548 | Danse, Aurelien (1500) | Won 2-0 | +181522 |
| 2sealed | 515 | Ullenius, Daniel (1499) | Won 2-1 | +181540 |
| 3sealed | 552 | Ferreira, Joao (1455) | Lost 1-2 | -201520 |
| 4sealed | 677 | Butler, Dara (1601) | Won 2-1 | +201540 |
| 5sealed | 584 | Terrier, Lucas (1546) | Won 2-1 | +181558 |
| 6sealed | 549 | Malden, Marcus (1669) | Lost 1-2 | -161542 |
| 7sealed | 616 | Costa, Frederico (1637) | Lost 0-2 | -161526 |
| top | average opponent: 1558record: 4-3 | new rating: 1526 | ||
| Grand Prix Strasbourg 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 123 | Martins, Tony (1606) | Won 2-1 | +201520 |
| 2block | 64 | Blazek, Ivan (1520) | Lost 1-2 | -181502 |
| 3block | 196 | Decker, Bastian (1503) | Lost 0-2 | -181484 |
| 4block | 256 | sebastien, mockers (1481) | Won 2-0 | +181502 |
| 5block | 187 | Scharfe, Tai (1476) | Won 2-0 | +171519 |
| 6block | 90 | Partenhauser, Johannes (1597) | Won 2-1 | +201539 |
| 7block | 89 | Reymond, Pascal (1557) | Lost 0-2 | -181521 |
| 8block | 99 | Labahn, Nikolas (1593) | Lost 1-2 | -171504 |
| top | average opponent: 1542record: 4-4 | new rating: 1504 | ||