McGrath, Justin
Current rating: 1408
Record: 4-10
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2126 | Edwards, Zachary (1460) | Won 2-0 | +191418 |
| 2modern | 2132 | Brenner, Stefan (1386) | Lost 0-1 | -191399 |
| 3modern | 2154 | Embury, Maxwell (1344) | Won 2-1 | +171416 |
| 4modern | 2160 | Mallow, Vince (1720) | Won 2-0 | +241440 |
| 5modern | 2150 | Hong, Sung-Il (1478) | Lost 1-2 | -181422 |
| 6modern | 2138 | Castro, Angel (1597) | Lost 0-2 | -141408 |
| top | average opponent: 1498record: 3-3 | new rating: 1408 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2157 | Mermelshtayn, Joe (1538) | Lost 0-2 | -151412 |
| 2sealed | 2160 | Rosales, Randy (1468) | Won 2-1 | +191431 |
| 3sealed | 2150 | Sowar, Joseph (1549) | Lost 1-2 | -161415 |
| 4sealed | 2191 | Gurevych, William (1536) | Lost 1-2 | -161399 |
| top | average opponent: 1523record: 1-3 | new rating: 1399 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 2145 | Niyazov, Igor (1554) | Lost 1-2 | -171483 |
| 2legacy | 2167 | Pacheco, Jarred (1431) | Lost 0-2 | -191464 |
| 3legacy | 2186 | Kean, Matthew (1413) | Lost 0-2 | -191445 |
| 4legacy | 2190 | Sudendorf, Vanessa (1466) | Lost 0-2 | -181427 |
| top | average opponent: 1466record: 0-4 | new rating: 1427 | ||