Bigham, Joseph
Current rating: 1472
Record: 2-4
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 115 | Sakakini, Thomas (1717) | Lost 1-2 | -141486 |
| 2legacy | 654 | Choe, Pete (1482) | Lost 1-2 | -181468 |
| 3legacy | 926 | Ellis, Matt (1416) | Won 2-1 | +171485 |
| 4legacy | 696 | Steinfeld, Alexander (1676) | Lost 1-2 | -151470 |
| 5legacy | 750 | Slater, John (1486) | Won 2-1 | +191489 |
| 6legacy | 651 | Scott, Michael (1544) | Lost 1-2 | -171472 |
| average opponent: 1554record: 2-4 | new rating: 1472 | |||