Rossouw, Pieter I
Current rating: 1462
Record: 5-7
| Grand Prix London 2011 (MBS limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 265 | Munk, Andreas (1465) | Lost 1-2 | -181480 |
| 2sealed | 316 | Sacco, Sergio (1435) | Lost 0-2 | -191461 |
| 3sealed | 347 | Dauppe, Claudia (1466) | Won 2-0 | +181479 |
| 4sealed | 337 | Zelgert, Kai (1438) | Lost 0-2 | -191460 |
| 5sealed | 345 | Smith, Gary [ENG] (1464) | Won 2-0 | +181478 |
| 6sealed | 313 | Harper, Matthew (1540) | Lost 0-2 | -161462 |
| average opponent: 1468record: 2-4 | new rating: 1462 | |||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Gressens, Wim (1462) | Lost 0-2 | -191481 |
| 2sealed | 223 | Mendez, Noelia (1482) | Won 2-0 | +181499 |
| 3sealed | 228 | Samra, Manveer (1540) | Lost 1-2 | -171482 |
| 4sealed | 275 | Dardaillon, Roman (1499) | Won 2-0 | +181500 |
| 5sealed | 227 | Bremner, Paul (1418) | Won 2-0 | +171517 |
| 6sealed | 166 | Yendall, David (1491) | Lost 0-2 | -191498 |
| average opponent: 1482record: 3-3 | new rating: 1498 | |||