Kellogg, Jeffrey
Current rating: 1475
Record: 2-4
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 347 | Collins, Sean (1752) | Lost 0-2 | -141486 |
| B2sealed | 583 | Gomez, David (1676) | Won 2-0 | +221508 |
| B3sealed | 262 | Wang, Nelson (1521) | Lost 1-2 | -181490 |
| B4sealed | 436 | Redweik, Matt (1412) | Won 2-1 | +171507 |
| B5sealed | 401 | Soh, Ting (1476) | Lost 0-2 | -191488 |
| B6sealed | 329 | Jao, Jeff (1748) | Lost 0-2 | -131475 |
| average opponent: 1597record: 2-4 | new rating: 1475 | |||