Doss, Douglas
Current rating: 1396
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 253 | Mendyk, Brian (1500) | Lost 1-2 | -161411 |
| 2sealed | 245 | Gobeyn, Joe (1451) | Won 2-0 | +181429 |
| 3sealed | 153 | Pistachio, Samuel (1500) | Lost 0-2 | -161413 |
| 4sealed | 267 | Neary, Nicholas (1491) | Lost 0-2 | -171396 |
| top | average opponent: 1485record: 1-3 | new rating: 1396 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 138 | Cryer, Glenn (1500) | Lost 0-1 | -171463 |
| 2standard | 220 | Bonvron, Robert (1482) | Lost 0-2 | -181445 |
| 3standard | 227 | Beaman, John (1464) | Lost 0-2 | -181427 |
| top | average opponent: 1482record: 0-3 | new rating: 1427 | ||
| Grand Prix Atlanta 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Sherman, Kevin (1506) | Won 2-1 | +181518 |
| 2sealed | 11 | Fallon, Chris (1484) | Lost 0-2 | -191499 |
| 3sealed | 75 | Nowell, Ken (1437) | Draw 1-1 | -11498 |
| 4sealed | 128 | Rothman, Ben (1491) | Lost 0-1 | -181480 |
| top | average opponent: 1480record: 1-2-1 | new rating: 1480 | ||