Margoliash, Jonathan
Current rating: 1550
Record: 13-11-1
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 460 | Um, Andrew (1500) | Won 2-0 | +181533 |
| A2sealed | 446 | White, Scott (1468) | Won 2-1 | +171550 |
| A3sealed | 21 | Wu, Yanfei (1438) | Draw 1-1 | -21548 |
| A4sealed | 110 | Hu, Shaopeng (1459) | Won 2-0 | +161564 |
| A5sealed | 60 | Kominowski, Maxx (1623) | Lost 1-2 | -171547 |
| A6sealed | 141 | Carlson, Gwen (1521) | Won 2-0 | +181565 |
| A7sealed | 80 | Gilks, Greg (1721) | Lost 1-2 | -151550 |
| top | average opponent: 1533record: 4-2-1 | new rating: 1550 | ||
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Houswerth, James (1500) | Lost 0-2 | -181458 |
| 2sealed | 265 | Staves, Savanna (1482) | Won 2-1 | +181476 |
| 3sealed | 349 | Huntington, Ryan (1468) | Won 2-0 | +181494 |
| 4sealed | 155 | Elkins, Brandon (1507) | Won 2-0 | +191513 |
| 5sealed | 115 | Hamel, Jared (1499) | Won 2-0 | +171530 |
| 6sealed | 93 | Mantey, Tyler (1674) | Lost 1-2 | -151515 |
| 7sealed | 143 | League, Charles (1537) | Won 2-0 | +181533 |
| 8sealed | 129 | Cole, Bryan (1531) | Lost 1-2 | -181515 |
| top | average opponent: 1525record: 5-3 | new rating: 1515 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 103 | Kan, Jimmy (1523) | Lost 0-2 | -181490 |
| 4sealed | 197 | Dickerson, Michael (1440) | Won 2-0 | +171507 |
| 5sealed | 82 | Cahill, Steve (1688) | Lost 0-2 | -151492 |
| 6sealed | 112 | Murnane, Casey (1571) | Lost 1-2 | -161476 |
| top | average opponent: 1556record: 1-3 | new rating: 1476 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1578 | Black, Alex (1574) | Won 2-1 | +191519 |
| 2sealed | 1391 | Kim, Dae (1518) | Won 2-1 | +181537 |
| 3sealed | 1446 | Wells, Anthony (1476) | Won 2-1 | +171554 |
| 4sealed | 1368 | Hartshorn, Robin (1652) | Lost 1-2 | -161538 |
| 5sealed | 1160 | Carleton-Barnes, Gabriel (1822) | Lost 1-2 | -131525 |
| 6sealed | 1109 | Vigil, Daniel (1551) | Lost 1-2 | -171508 |
| top | average opponent: 1599record: 3-3 | new rating: 1508 | ||