Colborn, Joseph
Current rating: 1391
Record: 1-7-1
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 332 | Sanders, Joshua (1500) | Lost 0-2 | -181482 |
| 2sealed | 462 | Carvalho, Andrew (1482) | Lost 0-2 | -181464 |
| 3sealed | 446 | Hellenbrand, Seth (1478) | Lost 0-2 | -181446 |
| 4sealed | 478 | Kippes, Patrick (1447) | Lost 1-2 | -181428 |
| 5sealed | 406 | Claus, Ben (1427) | Draw 1-1 | 01428 |
| 6sealed | 337 | Cox, David (1379) | Lost 0-2 | -191409 |
| 7sealed | 271 | Cox, Daniel (1429) | Lost 1-2 | -171392 |
| 8sealed | 207 | Fitzgerald, Maura (1396) | Won 2-1 | +181410 |
| 9sealed | 167 | Geil, Travis (1391) | Lost 0-2 | -191391 |
| average opponent: 1436record: 1-7-1 | new rating: 1391 | |||