Proby, Randy
Current rating: 1469
Record: 12-16-1
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 256 | Perce, Michael (1500) | Lost 0-2 | -181484 |
| 2sealed | 408 | Donato, Marino (1701) | Lost 0-2 | -151469 |
| top | average opponent: 1600record: 0-2 | new rating: 1469 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Wolff, Neil (1644) | Won 2-0 | +211469 |
| 2sealed | 288 | Anderton, Samuel (1526) | Won 2-0 | +191488 |
| 3sealed | 1338 | Oshiro, Jonathan (1467) | Won 2-0 | +181506 |
| 4sealed | 73 | Tobin, David (1573) | Lost 0-2 | -171489 |
| 5sealed | 218 | Yost, Austin (1791) | Won 2-1 | +231512 |
| 6sealed | 131 | Nolen, Lauren (1824) | Lost 1-2 | -121500 |
| 7sealed | 1327 | Yu, Hanzhao (1514) | Won 2-0 | +181518 |
| 8sealed | 201 | Benedetti, Antony (1601) | Lost 0-2 | -161502 |
| top | average opponent: 1618record: 5-3 | new rating: 1502 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 314 | Klainman, Ophir (1471) | Won 2-0 | +181456 |
| 2sealed | 102 | Power, Jason (1472) | Lost 1-2 | -181438 |
| 3sealed | 702 | Koza, Travis (1497) | Won 2-0 | +191457 |
| 4sealed | 338 | Rembert, Philip (1487) | Won 2-0 | +191476 |
| 5sealed | 247 | Alcaraz, OJ (1542) | Lost 1-2 | -171459 |
| 6sealed | 591 | St. John, Justin (1450) | Lost 0-2 | -181441 |
| 7sealed | 646 | Johnson, Brandon (1514) | Won 2-0 | +191460 |
| 8sealed | 384 | Swanson, Erik (1751) | Lost 1-2 | -121448 |
| top | average opponent: 1523record: 4-4 | new rating: 1448 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Hill, Anthony (1485) | Lost 1-2 | -181455 |
| 2sealed | 383 | Thompson, Weston (1485) | Lost 1-2 | -171438 |
| top | average opponent: 1485record: 0-2 | new rating: 1438 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 563 | Bowman, Michael (1500) | Won 2-0 | +191488 |
| 2sealed | 771 | Truswell, Richard (1518) | Won 2-0 | +181506 |
| 3sealed | 512 | Morgan, Will (1519) | Draw 1-1 | 01506 |
| 4sealed | 849 | Borcherding, Grant (1580) | Lost 1-2 | -161490 |
| 5sealed | 651 | Lee, Marcus (1548) | Lost 0-2 | -171473 |
| top | average opponent: 1533record: 2-2-1 | new rating: 1473 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 37 | Kearney-Brown, Lee (1500) | Lost 1-2 | -181482 |
| 2block | 267 | Gates, Cody (1557) | Won 2-0 | +191501 |
| 3block | 301 | Young, Kelvin (1707) | Lost 1-2 | -141487 |
| 4block | 397 | Wagoner, Dylan (1483) | Lost 1-2 | -181469 |
| top | average opponent: 1562record: 1-3 | new rating: 1469 | ||