Courtois, Gregory
Current rating: 1499
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | Wellens, Wilson (1667) | Won 2-0 | +211538 |
| 2sealed | 62 | Wagner, Silvio (1506) | Lost 1-2 | -191519 |
| 3sealed | 249 | Libraire, Guillaume (1500) | Won 2-1 | +181537 |
| 4sealed | 166 | McAtee, Brian (1538) | Lost 1-2 | -181519 |
| 5sealed | 256 | David, Kjelle (1417) | Lost 0-2 | -201499 |
| top | average opponent: 1526record: 2-3 | new rating: 1499 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 181 | Zeil, Pierre Paul (1518) | Won 2-1 | +181536 |
| 3sealed | 91 | Martire, Roque (1541) | Won 2-0 | +181554 |
| 4sealed | 95 | Venchiarutti, Philippe (1596) | Won 2-1 | +191573 |
| 5sealed | 32 | Stroev, Mikhail (1523) | Won 2-0 | +171590 |
| 6sealed | 5 | Allouchery, Gonzague (1573) | Lost 1-2 | -181572 |
| 7sealed | 68 | Luna, Javier (1585) | Lost 1-2 | -181554 |
| 8sealed | 81 | Past, Benjamin (1500) | Lost 0-2 | -191535 |
| 9sealed | 119 | Lecacheur, Sebastien (1556) | Lost 0-2 | -181517 |
| top | average opponent: 1549record: 4-4 | new rating: 1517 | ||
| Grand Prix Tours 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Gury, Olivier (1500) | Lost 1-2 | -181482 |
| 2sealed | 191 | Pinson, Frederic (1482) | Lost 0-2 | -181464 |
| 3sealed | 27 | Le Parc, Laurent (1465) | Won 2-0 | +181482 |
| 4sealed | 194 | Petot, Jeremie (1482) | Won 2-0 | +181500 |
| 5sealed | 46 | Houerou, Nicolas (1500) | Won 2-1 | +181518 |
| top | average opponent: 1486record: 3-2 | new rating: 1518 | ||