Cook, Joseph
Current rating: 1541
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 36 | Tackett, Bret (1445) | Won 2-0 | +171503 |
| 2sealed | 52 | Lind, Jacob (1520) | Won 2-0 | +191522 |
| 3sealed | 94 | Arreola, Anthony (1535) | Won 2-0 | +181540 |
| 4sealed | 90 | Carranza, Jaime (1568) | Lost 1-2 | -181522 |
| 5sealed | 138 | Blue, Nolan (1498) | Won 2-1 | +181540 |
| 6sealed | 89 | Castro, Christian (1484) | Lost 0-2 | -191521 |
| 7sealed | 152 | Nowakowski, Jack (1538) | Won 2-1 | +181539 |
| 8sealed | 59 | Goodson, Tony (1629) | Won 2-1 | +201559 |
| 9sealed | 68 | Mitsunaga, Bryce (1566) | Lost 1-2 | -181541 |
| top | average opponent: 1531record: 6-3 | new rating: 1541 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 49 | Benner, Jason (1492) | Lost 1-2 | -181484 |
| 4sealed | 275 | Silvester, Christopher (1482) | Lost 1-2 | -181466 |
| 5sealed | 251 | Horlacher, Travis (1541) | Won 2-1 | +191485 |
| 6sealed | 226 | Folsom, Kyer (1485) | Won 2-0 | +181503 |
| 7sealed | 164 | Callahan, Michael (1472) | Lost 1-2 | -191484 |
| 8sealed | 165 | Sundholm, Peter (1618) | Won 2-0 | +211505 |
| 9sealed | 125 | Sanchez, David (1470) | Lost 1-2 | -191486 |
| top | average opponent: 1509record: 3-4 | new rating: 1486 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 406 | Ramsey, Spencer (1500) | Lost 0-2 | -181482 |
| 2sealed | 424 | Wilkinson, Ryley (1500) | Won 2-0 | +181500 |
| 3sealed | 386 | Mabry, Chris (1523) | Lost 0-2 | -171483 |
| 4sealed | 430 | Warren, Dillyn (1485) | Won 2-0 | +181501 |
| 5sealed | 334 | Cance, Kyle (1516) | Won 2-1 | +181519 |
| 6sealed | 295 | Lane, Mikael (1556) | Lost 0-2 | -171502 |
| top | average opponent: 1513record: 3-3 | new rating: 1502 | ||