Rosenberg, Jeffrey
Current rating: 1453
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 707 | Delacruz, Douglas (1445) | Won 2-0 | +181486 |
| 2sealed | 512 | Overbeek, Daniel (1566) | Lost 0-2 | -171469 |
| 3sealed | 854 | Mayuzumi, Shinichi (1573) | Lost 1-2 | -161453 |
| 4sealed | 850 | Wendt, Karl (1486) | Won 2-0 | +181471 |
| 5sealed | 672 | Stout, Eric (1465) | Lost 0-2 | -181453 |
| top | average opponent: 1507record: 2-3 | new rating: 1453 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Cayne, Avery (1525) | Lost 0-2 | -171467 |
| 2sealed | 359 | Benson, Riley (1422) | Won 2-1 | +171484 |
| 3sealed | 210 | Laufer, Max (1388) | Won 2-1 | +171501 |
| 4sealed | 273 | O'Donnell, Devon (1597) | Lost 0-2 | -171484 |
| 5sealed | 271 | Hartman, Dan (1388) | Won 2-0 | +171501 |
| 6sealed | 261 | Hodgins, Michael (1485) | Lost 0-2 | -191482 |
| 7sealed | 222 | Pal, Carlos (1686) | Lost 0-2 | -141468 |
| top | average opponent: 1499record: 3-4 | new rating: 1468 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 276 | Blanden, Adam (1500) | Won 2-1 | +181518 |
| 2standard | 248 | Allen, Dustin (1516) | Won 2-1 | +181536 |
| 3standard | 30 | Sjostedt, Peter J (1577) | Lost 0-2 | -171519 |
| 4standard | 362 | Stein, Abraham (1485) | Won 2-0 | +171536 |
| 5standard | 158 | DeTora, Melissa (1704) | Lost 0-2 | -151521 |
| 6standard | 272 | Gravely, James (1515) | Lost 1-2 | -181503 |
| 7standard | 410 | Falcioni, Matthew (1468) | Lost 0-2 | -191484 |
| top | average opponent: 1538record: 3-4 | new rating: 1484 | ||