Barber, Jeff
Current rating: 1379
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Crawford, Michael (1499) | Lost 0-2 | -171454 |
| 2sealed | 378 | Galitz, Nick (1482) | Lost 1-2 | -181436 |
| 3sealed | 550 | Boland, Tom (1430) | Lost 0-2 | -181418 |
| 4sealed | 608 | Algeo, Robert (1391) | Lost 0-2 | -181400 |
| 5sealed | 543 | Kindler, Jim (1248) | Lost 0-2 | -211379 |
| top | average opponent: 1410record: 0-5 | new rating: 1379 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Cordova, Josh J (1500) | Lost 0-2 | -181468 |
| 2sealed | 120 | Cook, Richard (1556) | Lost 0-2 | -161452 |
| 3sealed | 160 | Borish, Judy (1461) | Won 2-0 | +181470 |
| 4sealed | 144 | Kenney, Tanya (1519) | Won 2-0 | +191489 |
| 5sealed | 99 | Thompson, Zach (1528) | Lost 0-2 | -181471 |
| top | average opponent: 1513record: 2-3 | new rating: 1471 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 328 | Noyes, Allan (1464) | Lost 1-2 | -191481 |
| 2sealed | 348 | Irwin, Kris r (1481) | Won 2-0 | +181499 |
| 3sealed | 286 | Rasmussen, Ben (1621) | Lost 1-2 | -151484 |
| 4sealed | 419 | Stephenson, Alex (1482) | Won 2-1 | +181502 |
| 5sealed | 252 | Ryder, Sean (1622) | Lost 1-2 | -161486 |
| top | average opponent: 1534record: 2-3 | new rating: 1486 | ||