Zebrack, Seth
Current rating: 1445
Record: 6-9
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Belenky, Kelley (1500) | Lost 1-2 | -191500 |
| 2sealed | 364 | Dougherty, Brendan (1482) | Lost 0-2 | -181482 |
| 3sealed | 502 | Neris, Luke (1464) | Lost 0-2 | -181464 |
| 4sealed | 141 | Locke, Matt (1553) | Won 2-0 | +191483 |
| 5sealed | 420 | Tu, Nicholas (1446) | Lost 0-2 | -181465 |
| 6sealed | 165 | Reynolds, Adrienne (1369) | Lost 1-2 | -201445 |
| average opponent: 1469record: 1-5 | new rating: 1445 | |||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Larson, Ryan (1500) | Won 2-1 | +181518 |
| 2standard | 44 | Greer, Bryan (1533) | Lost 0-2 | -181500 |
| 3standard | 268 | Reed, Curtis (1500) | Lost 1-2 | -181482 |
| 4standard | 403 | Vanderpoel, Brennin (1482) | Lost 1-2 | -181464 |
| 5standard | 443 | Buczinski, Chris (1463) | Won 2-0 | +181482 |
| 6standard | 349 | Dotterer, Tim A (1467) | Won 2-0 | +181500 |
| 7standard | 270 | Smith, Michael (1532) | Won 2-0 | +191519 |
| 8standard | 216 | Forsythe, Taylor (1519) | Won 2-0 | +181537 |
| 9standard | 124 | Godfrey, Adam (1536) | Lost 1-2 | -181519 |
| average opponent: 1504record: 5-4 | new rating: 1519 | |||