Thoumire, Sebastien
Current rating: 1574
Record: 23-20-2
| Grand Prix London 2011 (MBS limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 227 | Wooles, Bertie (1500) | Won 2-0 | +171580 |
| 2sealed | 243 | Chisnall, Joshua (1518) | Lost 0-2 | -191561 |
| 3sealed | 293 | Luczek, Piotr (1500) | Won 2-0 | +171578 |
| 4sealed | 296 | Hoydonckx, Yves (1425) | Lost 1-2 | -211557 |
| 5sealed | 309 | Chiesa, Massimiliano (1479) | Won 2-0 | +171574 |
| 6sealed | 262 | Angeli, Alessio (1616) | Lost 0-2 | -171557 |
| 7sealed | 288 | Ward, Alex (1501) | Won 2-0 | +171574 |
| top | average opponent: 1506record: 4-3 | new rating: 1574 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Breaud, Etienne (1464) | Won 2-0 | +171519 |
| 2sealed | 93 | Fernandez, Patrick (1518) | Won 2-0 | +181537 |
| 3sealed | 13 | Sampford, James (1575) | Lost 1-2 | -171520 |
| 4sealed | 257 | Naud, Jerome (1533) | Lost 0-2 | -181502 |
| 5sealed | 260 | Korevaar, Martijn (1573) | Won 2-1 | +191521 |
| 6sealed | 225 | Jager, Marc (1617) | Won 2-0 | +201541 |
| 7sealed | 188 | Kreuz, Alexander (1637) | Won 2-0 | +201561 |
| 8sealed | 102 | David, Pierre (1611) | Won 2-1 | +191580 |
| 9sealed | 79 | Genelot, Nicolas (1660) | Lost 1-2 | -171563 |
| top | average opponent: 1576record: 6-3 | new rating: 1563 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 119 | Fenton, Christopher (1481) | Won 2-1 | +181473 |
| 2sealed | 190 | Pieters, Yorick (1538) | Lost 1-2 | -161457 |
| 3sealed | 204 | Wheeler, Tim (1464) | Won 2-0 | +181475 |
| 4sealed | 187 | Kasinski, Tomas (1553) | Won 2-0 | +191494 |
| 5sealed | 69 | Cox, Tobias L (1542) | Won 2-1 | +191513 |
| 6sealed | 118 | Jolly, Mathieu (1594) | Won 2-0 | +191532 |
| 7sealed | 52 | Gower, Paul (1601) | Lost 0-2 | -161516 |
| 8sealed | 63 | Elfgren, Bertil (1755) | Lost 1-2 | -141502 |
| top | average opponent: 1566record: 5-3 | new rating: 1502 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 452 | Marsman, Maarten (1500) | Won 2-1 | +191467 |
| 2sealed | 555 | Claudel, Maxime (1576) | Won 2-1 | +201487 |
| 3sealed | 482 | Nouzovsky, Zdenko (1509) | Lost 1-2 | -171470 |
| 4sealed | 545 | Pletzer-Zelgert, Jonathan (1519) | Lost 0-2 | -171453 |
| 5sealed | 580 | Chomicz, Kacper (1436) | Lost 1-2 | -191434 |
| 6sealed | 584 | Lissens, Gil J (1482) | Won 2-1 | +191453 |
| 7sealed | 539 | Nygaard Kaspersen, Allan (1501) | Won 2-1 | +191472 |
| 8sealed | 492 | Kage, Sven (1518) | Lost 1-2 | -171455 |
| top | average opponent: 1505record: 4-4 | new rating: 1455 | ||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Mos, Michal (1525) | Draw 1-1 | +11464 |
| 2sealed | 242 | David, Jonathan (1500) | Lost 0-2 | -181446 |
| 3sealed | 344 | Peiffer, Nicolas (1500) | Lost 1-2 | -171429 |
| 4sealed | 401 | Duval, Gaetan (1446) | Won 2-0 | +191448 |
| 5sealed | 319 | Bouhnik, Laurent (1482) | Draw 1-1 | 01448 |
| top | average opponent: 1491record: 1-2-2 | new rating: 1448 | ||
| Grand Prix Madrid 2008 (EVE limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Lago, Juan Luis (1454) | Lost 0-1 | -191481 |
| 2sealed | 252 | Rios Molina, Antonio (1434) | Won 2-0 | +171498 |
| 3sealed | 200 | Schipkowski, Jan (1549) | Lost 0-2 | -171481 |
| 4sealed | 287 | Cernahoschi, Alex (1404) | Won 2-1 | +171498 |
| 5sealed | 215 | Acosta, Juan Francisco (1507) | Lost 0-2 | -181480 |
| 6sealed | 202 | Pereira, Jordao (1481) | Lost 0-2 | -181462 |
| 7sealed | 174 | Santamaria, Javier (1463) | Won 2-0 | +181480 |
| 8sealed | 138 | Garcia Lopez, David Miguel (1518) | Lost 0-2 | -171463 |
| top | average opponent: 1476record: 3-5 | new rating: 1463 | ||