Kellogg, Jacob
Current rating: 1480
Record: 4-5
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Maylander, Timothy (1500) | Won 2-0 | +181518 |
| 2sealed | 108 | Dalquist, Dyllon J (1518) | Won 2-0 | +181536 |
| 3sealed | 19 | Myatt, Jason (1387) | Lost 0-2 | -211515 |
| 4sealed | 250 | Bishop, Janet (1448) | Lost 1-2 | -191496 |
| 5sealed | 283 | Tant, Nathan (1500) | Won 2-0 | +181514 |
| 6sealed | 312 | Terry, Jason (1580) | Lost 0-2 | -171497 |
| 7sealed | 254 | Duden, Aaron (1501) | Won 2-0 | +181515 |
| 8sealed | 191 | Glennie, Alex J (1519) | Lost 1-2 | -181497 |
| 9sealed | 148 | McCord, Bryan (1501) | Lost 0-2 | -171480 |
| average opponent: 1495record: 4-5 | new rating: 1480 | |||