Barker, Perry
Current rating: 1420
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Duggan, Samantha (1492) | Won 2-1 | +181470 |
| 2sealed | 62 | Putnam, Tyler (1518) | Lost 1-2 | -171453 |
| 3sealed | 277 | Edwards, Nic (1569) | Lost 0-2 | -161437 |
| 4sealed | 241 | Patten, Calvin (1468) | Lost 1-2 | -171420 |
| top | average opponent: 1512record: 1-3 | new rating: 1420 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 129 | Janez, Nasho (1500) | Won 2-1 | +191483 |
| 2block | 309 | Ghini, Davide (1554) | Won 2-0 | +191502 |
| 3block | 567 | Brown, Mikey (1608) | Lost 1-2 | -161486 |
| 4block | 47 | Russell, Samuel (1516) | Lost 1-2 | -181468 |
| 5block | 495 | Horden, Stuart (1464) | Lost 0-2 | -181450 |
| 6block | 34 | Kerin, Paul (1483) | Lost 1-2 | -171433 |
| 7block | 417 | Furmston, Thomas (1466) | Won 2-0 | +191452 |
| top | average opponent: 1513record: 3-4 | new rating: 1452 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 281 | Williamson, Anthony (1500) | Lost 0-2 | -181482 |
| 2sealed | 375 | Davis, Leon (1483) | Lost 0-2 | -181464 |
| 3sealed | 479 | Fitzsimmons, Jackson (1464) | Won 2-1 | +181482 |
| 4sealed | 382 | Kilbourne, Shane (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1482record: 1-3 | new rating: 1464 | ||