Clark, Joseph
Current rating: 1419
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 222 | Rottenberg, Brian (1500) | Lost 0-2 | -171416 |
| 2sealed | 444 | Goubeaux, Caitlin (1482) | Won 2-0 | +191435 |
| 3sealed | 267 | Boozer, Randall (1498) | Lost 0-2 | -161419 |
| top | average opponent: 1493record: 1-2 | new rating: 1419 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 504 | Duggan, Matthew [USA] (1614) | Lost 1-2 | -151468 |
| 2standard | 418 | Moses, Levi (1483) | Lost 1-2 | -181450 |
| 3standard | 646 | Wilson, Phoenix (1465) | Won 2-0 | +181468 |
| 4standard | 463 | Henkel, Anthony (1514) | Lost 0-2 | -171451 |
| 5standard | 575 | Bassouni, Ahmad (1445) | Lost 0-2 | -181433 |
| top | average opponent: 1504record: 1-4 | new rating: 1433 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 339 | Abernethy, Andrew (1500) | Lost 0-2 | -181482 |
| 2sealed | 110 | Davidson, Ryan (1482) | Won 2-0 | +181500 |
| 3sealed | 359 | Alvarado Lopez, Jorge (1572) | Lost 0-2 | -171483 |
| top | average opponent: 1518record: 1-2 | new rating: 1483 | ||