Kellogg, Shawn
Current rating: 1486
Record: 8-9
| Grand Prix Charlotte 2016 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 139 | Creel, Todd (1500) | Won 2-1 | +181500 |
| 2modern | 268 | Shea, Michael (1648) | Lost 0-2 | -151485 |
| 3modern | 959 | Copeland, Jordan (1499) | Won 2-1 | +181503 |
| 4modern | 2 | Mullins, Brad (1529) | Won 2-0 | +181521 |
| 5modern | 452 | Smith, Jason 863 (1500) | Lost 0-2 | -181503 |
| 6modern | 231 | Zorko, Daniel (1554) | Lost 0-2 | -171486 |
| 7modern | 569 | Lees, Logan (1508) | Won 2-1 | +181504 |
| 8modern | 444 | Drake, William (1509) | Lost 1-2 | -181486 |
| average opponent: 1531record: 4-4 | new rating: 1486 | |||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Jocobs, Zackary (1500) | Lost 0-2 | -181482 |
| 2sealed | 167 | Stroud, Wes (1467) | Lost 0-2 | -181464 |
| 3sealed | 164 | Green, Jake (1463) | Won 2-1 | +181482 |
| 4sealed | 170 | Klitzke, Andy (1483) | Lost 0-2 | -181464 |
| 5sealed | 147 | Merrill, Nick (1464) | Won 2-0 | +181482 |
| 6sealed | 123 | Thompson, Samuel (1467) | Won 2-0 | +171499 |
| 7sealed | 96 | Marusek, Josh (1505) | Lost 1-2 | -171482 |
| 8sealed | 80 | Moss, Chris (1481) | Won 2-0 | +181500 |
| 9sealed | 64 | Wong, Nelson M (1500) | Lost 1-2 | -181482 |
| average opponent: 1481record: 4-5 | new rating: 1482 | |||