Ludwig, Derek
Current rating: 1425
Record: 2-6
| Grand Prix London 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 246 | Ahlberg, Daniel (1425) | Lost 0-2 | -191481 |
| 2sealed | 314 | Pivec, Roman (1448) | Lost 1-2 | -191462 |
| 3sealed | 349 | Tzouriadis, Iason (1430) | Lost 0-2 | -191443 |
| 4sealed | 363 | Mckittrick-Gallaher, Robert (1444) | Won 2-0 | +181461 |
| 5sealed | 337 | Curumtally, Zayed (1446) | Lost 0-2 | -181443 |
| 6sealed | 323 | Yorke, Elaine (1447) | Won 2-0 | +181461 |
| 7sealed | 301 | Wertich, Volker (1453) | Lost 0-2 | -181443 |
| 8sealed | 280 | Norman, Charles (1445) | Lost 0-2 | -181425 |
| average opponent: 1442record: 2-6 | new rating: 1425 | |||