Osterburg, Yannic
Current rating: 1528
Record: 9-8
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 186 | Koopman, Rinke (1672) | Won 2-0 | +221489 |
| 2sealed | 52 | Hajnisz, Aleksander (1605) | Lost 0-2 | -161473 |
| 3sealed | 98 | Stadtler, Alexander (1464) | Won 2-0 | +181491 |
| 4sealed | 68 | Pfau, Andreas (1519) | Won 2-1 | +181509 |
| 5sealed | 70 | Giesen, Volker (1534) | Won 2-0 | +191528 |
| 6sealed | 18 | Kuchenbecker, Sebastian (1705) | Lost 0-2 | -151513 |
| 7sealed | 74 | Delis, Achilles (1454) | Won 2-1 | +171530 |
| 8sealed | 53 | Kirsch, Christian (1471) | Lost 0-2 | -191511 |
| 9sealed | 54 | Klusmann, Sven (1492) | Won 2-1 | +171528 |
| average opponent: 1546record: 6-3 | new rating: 1528 | |||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Mantik, Dirk (1518) | Lost 1-2 | -181482 |
| 2sealed | 130 | Nielsen, Jan (1426) | Lost 0-2 | -191463 |
| 3sealed | 202 | Werner, Frank (1501) | Won 2-1 | +191482 |
| 4sealed | 191 | Schindler, Sven (1480) | Won 2-0 | +181500 |
| 5sealed | 133 | Endress, Felix (1500) | Won 2-0 | +181518 |
| 6sealed | 109 | Johannsen, Dennis (1552) | Lost 0-2 | -171501 |
| 7sealed | 103 | Misonne, Jacques (1644) | Lost 0-2 | -161485 |
| 8sealed | 102 | Rittau, Sebastian (1481) | Lost 0-2 | -181467 |
| average opponent: 1513record: 3-5 | new rating: 1467 | |||