Chelghaf, Ridha
Current rating: 1540
| Grand Prix Toulouse 2006 (DIS limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 22 | Charriere, Romeo (1574) | Won 2-0 | +191542 |
| 3sealed | 23 | Timmins, Guillaume (1517) | Lost 0-2 | -181524 |
| 4sealed | 166 | Gunay, Deniz (1518) | Won 2-0 | +171541 |
| 5sealed | 41 | Terrasse, Nicolas (1553) | Lost 1-2 | -171524 |
| 6sealed | 144 | Joseph, Christophe (1457) | Lost 0-2 | -201504 |
| 7sealed | 166 | Nawracala, Remi (1501) | Won 2-1 | +181522 |
| 8sealed | 98 | Potaufeu, Sebastien (1522) | Won 2-1 | +181540 |
| top | average opponent: 1520record: 4-3 | new rating: 1540 | ||
| Grand Prix London 2002 (Odyssey block) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 61 | Claessen, Tim (1471) | Lost 1-2 | -191499 |
| 3block | 190 | Gilbey, Rachel (1503) | Won 2-1 | +181517 |
| 4block | 155 | Twiefel, Torben (1619) | Won 2-0 | +201537 |
| 5block | 133 | Stevenson, Craig (1520) | Lost 0-2 | -181519 |
| 6block | 114 | Creedy, Paul (1533) | Won 2-0 | +181537 |
| 7block | 101 | Menard, Antoine (1776) | Lost 0-2 | -141523 |
| top | average opponent: 1570record: 3-3 | new rating: 1523 | ||
| Grand Prix Milan 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 92 | Brandstetter, Iris (1464) | Won 2-1 | +171517 |
| 2block | 29 | Bagnoli, Luca (1518) | Draw 1-1 | 01517 |
| 3block | 80 | Salvidio, Roberto (1517) | Won 2-1 | +181535 |
| 4block | 37 | Spengler, Fabien (1519) | Won 2-1 | +181553 |
| 5block | 23 | Rossetti, Mauro (1612) | Lost 1-2 | -171536 |
| 6block | 53 | Schipper, Ernst (1535) | Lost 1-2 | -181518 |
| 7block | 93 | Visner, Jiri (1516) | Won 2-0 | +181536 |
| 8block | 67 | Petri, Giulio (1518) | Lost 1-2 | -181518 |
| top | average opponent: 1525record: 4-3-1 | new rating: 1518 | ||