Courtois, John
Current rating: 1482
Record: 3-4-1
| Grand Prix Lyon 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 550 | Audras, Jean-Baptiste (1674) | Lost 0-2 | -151485 |
| 2modern | 660 | Arlaud, Stephane (1482) | Lost 1-2 | -181467 |
| 3modern | 765 | Miranda-Cortes, Gael (1481) | Won 2-1 | +181485 |
| 4modern | 753 | Malletr, Francois (1481) | Won 2-1 | +181503 |
| 5modern | 744 | Cooper, Chris (1433) | Lost 0-2 | -191484 |
| 6modern | 725 | Zbicajnik, Rok (1483) | Draw 1-1 | 01484 |
| 7modern | 718 | Dantomio, Alexandre (1481) | Won 2-0 | +181502 |
| 8modern | 664 | Pinto, Murat (1405) | Lost 1-2 | -201482 |
| average opponent: 1490record: 3-4-1 | new rating: 1482 | |||