Porritt, Stephen
Current rating: 1499
Record: 3-3-1
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 85 | Judd, Matthew (1500) | Lost 0-2 | -181482 |
| 2sealed | 251 | Lee, Simon [ENG] (1482) | Won 2-0 | +181500 |
| 3sealed | 239 | Kern, Oliver (1536) | Lost 0-2 | -171483 |
| 4sealed | 304 | Mader, Markus (1429) | Won 2-0 | +171500 |
| 5sealed | 283 | Boon Chuan, Tan (1507) | Draw 1-1 | 01500 |
| 6sealed | 238 | Chandler, Martyn (1508) | Won 2-0 | +181518 |
| 7sealed | 180 | Hernandez Gomollon, David (1487) | Lost 0-2 | -191499 |
| average opponent: 1493record: 3-3-1 | new rating: 1499 | |||