Beisiegel, Joshua H
Current rating: 1467
Record: 1-3
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 28 | Waldrop, Matthew (1500) | Won 2-1 | +181518 |
| 2extended | 36 | Garber, Chris (1517) | Lost 0-2 | -181500 |
| 3extended | 159 | Belmonte Castro, Raul (1694) | Lost 0-2 | -151485 |
| 4extended | 293 | Pangelinan, Patricia (1454) | Lost 1-2 | -181467 |
| average opponent: 1541record: 1-3 | new rating: 1467 | |||