Marusek, Josh
Current rating: 1581
Record: 19-15-2
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 248 | Larsen, Jeremiah (1519) | Lost 0-2 | -191507 |
| 2sealed | 308 | Rivers, David (1482) | Won 2-0 | +181525 |
| 3sealed | 336 | Pimentel, Joe (1499) | Won 2-0 | +181543 |
| 4sealed | 188 | Donnan, Blake (1500) | Won 2-1 | +171560 |
| 5sealed | 96 | Brown, Andrew (1722) | Won 2-1 | +211581 |
| 6sealed | 113 | Winn, James (1678) | Lost 1-2 | -171564 |
| 7sealed | 169 | Pederson, Derick (1533) | Won 2-1 | +181582 |
| 8sealed | 51 | Christman, Brian (1502) | Won 2-1 | +161598 |
| 9sealed | 81 | Wyatt, Taylor (1626) | Lost 1-2 | -171581 |
| top | average opponent: 1562record: 6-3 | new rating: 1581 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1018 | Johnson, Craig (1500) | Lost 1-2 | -181489 |
| 2sealed | 1095 | Ortiz, Lance (1481) | Won 2-0 | +181507 |
| 3sealed | 1098 | Harisay, Daniel (1500) | Won 2-0 | +181525 |
| 4sealed | 1087 | Vasovski, Michael (1657) | Won 2-0 | +201545 |
| 5sealed | 928 | Cabral, Sean (1544) | Lost 0-2 | -181527 |
| 6sealed | 779 | Tatley, Leah (1451) | Won 2-1 | +171544 |
| 7sealed | 644 | Doberne, David (1524) | Lost 1-2 | -181526 |
| top | average opponent: 1522record: 4-3 | new rating: 1526 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 223 | Biggs, Lance (1519) | Won 2-0 | +181545 |
| 3standard | 139 | Campbell, Donald (1572) | Lost 0-2 | -181527 |
| 4standard | 314 | Khan, Mustafa (1469) | Draw 1-1 | -11526 |
| 5standard | 272 | Clauson, Nole J (1485) | Draw 1-1 | 01526 |
| 6standard | 336 | Kling, Matthew (1520) | Lost 0-2 | -191507 |
| top | average opponent: 1513record: 1-2-2 | new rating: 1507 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Bramhall, Peter (1482) | Won 2-1 | +181524 |
| 2sealed | 10 | Meeson, David (1472) | Lost 1-2 | -191505 |
| 3sealed | 143 | Chung, Ka Shing (1464) | Won 2-1 | +171522 |
| 4sealed | 68 | Hinsz, Mark (1597) | Lost 1-2 | -171505 |
| 5sealed | 131 | Ritchie, Tom (1498) | Won 2-0 | +181523 |
| 6sealed | 92 | Cheung, Eric T (1500) | Lost 0-2 | -181505 |
| 7sealed | 96 | Kellogg, Shawn (1499) | Won 2-1 | +181523 |
| 8sealed | 65 | Stone, Preston (1486) | Won 2-1 | +171540 |
| 9sealed | 46 | Sacher, AJ (1825) | Lost 0-2 | -131527 |
| top | average opponent: 1536record: 5-4 | new rating: 1527 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 122 | Padilla, Travis (1711) | Lost 0-2 | -141486 |
| 5sealed | 92 | Swanson, Sam (1532) | Lost 1-2 | -171469 |
| 6sealed | 208 | Cook, Brennen (1367) | Won 2-0 | +161485 |
| 7sealed | 215 | Wilson, Joe (1427) | Won 2-0 | +171502 |
| 8sealed | 174 | Rider, Derek (1464) | Lost 1-2 | -191483 |
| 9sealed | 124 | Swartz, Noah (1761) | Won 2-0 | +231506 |
| top | average opponent: 1544record: 3-3 | new rating: 1506 | ||