Weidemann, Peter
Current rating: 1425
Record: 2-6
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 152 | Adcock, Jason (1500) | Won 2-1 | +181518 |
| 2block | 37 | Zapata, Sebastien (1441) | Lost 0-2 | -191499 |
| 3block | 148 | Kloke, Bjorn (1451) | Lost 0-2 | -191480 |
| 4block | 193 | Bruno, Darren (1482) | Lost 0-2 | -181462 |
| 5block | 224 | Coles, Ben (1383) | Lost 0-2 | -201442 |
| 6block | 193 | Huynh, Thanh (1432) | Lost 0-2 | -181424 |
| 7block | 169 | Benzinski, Andrew (1429) | Won 2-1 | +181442 |
| 8block | 143 | Rodriguez Florido, Alex (1462) | Lost 0-2 | -171425 |
| average opponent: 1447record: 2-6 | new rating: 1425 | |||