Mortenson, Jonathon
Current rating: 1409
Record: 5-11
| Grand Prix Hartford 2018 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 63 | Campbell, Chelsea (1535) | Lost 0-2 | -171444 |
| 2modern | 685 | Gay, Christopher (1482) | Lost 0-2 | -171427 |
| 3modern | 839 | Geloso, Valerie (1450) | Lost 1-2 | -181409 |
| top | average opponent: 1489record: 0-3 | new rating: 1409 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1079 | Stewart, Mike (1464) | Lost 1-2 | -181460 |
| 2sealed | 1289 | Hood, Kyle (1482) | Lost 0-2 | -171443 |
| 3sealed | 1085 | Kavanagh, Christopher (1464) | Won 2-0 | +181461 |
| top | average opponent: 1470record: 1-2 | new rating: 1461 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 130 | Hickox, Tyler (1551) | Lost 1-2 | -171476 |
| 5standard | 182 | Steffen, Greg (1514) | Won 2-1 | +191495 |
| 6standard | 59 | Xu, David (1533) | Won 2-0 | +181513 |
| 7standard | 24 | Bock, Justin (1553) | Lost 1-2 | -171496 |
| 8standard | 69 | White, Daniel (1521) | Lost 1-2 | -181478 |
| top | average opponent: 1535record: 2-3 | new rating: 1478 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 426 | Miles, Bert L (1552) | Won 2-0 | +191519 |
| 5sealed | 426 | Zornes, James (1867) | Lost 1-2 | -121507 |
| 6sealed | 430 | Horning, Charlie (1553) | Lost 0-2 | -171490 |
| 7sealed | 467 | Curfman, Matthew (1540) | Won 2-1 | +191509 |
| 8sealed | 441 | Carlson, Jason R (1617) | Lost 1-2 | -161493 |
| top | average opponent: 1626record: 2-3 | new rating: 1493 | ||