Magnuson, Derek
Current rating: 1480
Record: 15-17
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 300 | Hubbard, Rory (1456) | Won 2-1 | +181478 |
| 2sealed | 156 | Moody, Jamie (1518) | Won 2-1 | +191497 |
| 3sealed | 139 | DelGrosso, Matthew (1519) | Lost 1-2 | -181479 |
| 4sealed | 251 | Milliken, Seth (1505) | Lost 0-2 | -171462 |
| 5sealed | 286 | Flanders, William (1446) | Lost 0-2 | -181444 |
| 6sealed | 252 | Ricker, Tegan (1371) | Won 2-0 | +161460 |
| 7sealed | 191 | Dyer, Elijah (1498) | Lost 1-2 | -171443 |
| 8sealed | 148 | Olmstead, Jt (1486) | Won 2-1 | +191462 |
| 9sealed | 110 | Hodgson, Jude (1499) | Won 2-0 | +181480 |
| top | average opponent: 1478record: 5-4 | new rating: 1480 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1113 | Szwichtenberg, Radoslaw (1500) | Won 2-1 | +201451 |
| 2sealed | 1005 | Ketterling, Austin (1518) | Lost 1-2 | -171434 |
| 3sealed | 1221 | Troha, Dan (1649) | Won 2-1 | +221456 |
| 4sealed | 1133 | Antuzzi, David (1521) | Lost 0-2 | -171439 |
| 5sealed | 1219 | Thomas, Miles W (1494) | Won 2-0 | +191458 |
| 6sealed | 1141 | Antuzzi, Nicholas (1517) | Won 2-0 | +191477 |
| 7sealed | 1081 | Williamson, Anthony (1556) | Lost 0-2 | -171460 |
| top | average opponent: 1536record: 4-3 | new rating: 1460 | ||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 301 | Kerstein, Seth (1500) | Lost 1-2 | -171467 |
| 2sealed | 301 | Ibrahim, Alan (1482) | Lost 0-2 | -181449 |
| 3sealed | 301 | Sanchez, Nick (1478) | Won 2-1 | +181467 |
| 4sealed | 301 | Wu, Lance (1482) | Lost 1-2 | -171450 |
| 5sealed | 301 | Hirsch, Eric P (1464) | Lost 1-2 | -181432 |
| 6sealed | 301 | Holzboog, Brock (1447) | Won 2-0 | +181450 |
| 7sealed | 301 | Detzer, Adam (1398) | Lost 0-2 | -191431 |
| top | average opponent: 1465record: 2-5 | new rating: 1431 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Membrila, Conor (1500) | Won 2-0 | +181518 |
| 2sealed | 142 | Bennett, Christopher (1457) | Lost 1-2 | -191499 |
| 3sealed | 142 | Chasman, Roey (1501) | Won 2-0 | +181517 |
| 4sealed | 179 | Tews, Andrew (1653) | Lost 0-2 | -161501 |
| 5sealed | 142 | Medaris, Michael (1474) | Lost 1-2 | -181483 |
| 6sealed | 174 | Schwab, Jason (1377) | Won 2-0 | +161499 |
| 7sealed | 142 | Henderson, Ashley (1505) | Won 2-1 | +181517 |
| 8sealed | 142 | De Santos Jasso, Nazario Joel (1608) | Lost 1-2 | -161501 |
| 9sealed | 142 | Shirakihara, Ryuuichi (1586) | Lost 0-2 | -171484 |
| top | average opponent: 1518record: 4-5 | new rating: 1484 | ||