Herlehy, Justin
Current rating: 1462
Record: 12-14-1
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2125 | Dalisa, Conner (1504) | Won 2-1 | +181520 |
| 2modern | 2122 | Krenik, Alex (1738) | Lost 1-2 | -141506 |
| 3modern | 2152 | Reed, Randy (1415) | Lost 1-2 | -191487 |
| 4modern | 2179 | Daley, Keith J [CAN] (1318) | Draw 1-1 | -31484 |
| 5modern | 2182 | Christi, Ryan (1421) | Won 2-0 | +161500 |
| 6modern | 2163 | Perris, Joshua (1460) | Lost 0-2 | -181482 |
| 7modern | 2161 | Firey, Shaun (1484) | Lost 1-2 | -181464 |
| 8modern | 2150 | Beardsley, Sean (1419) | Won 2-0 | +171481 |
| 9modern | 2143 | Patterson, Bryson (1422) | Lost 1-2 | -191462 |
| top | average opponent: 1465record: 3-5-1 | new rating: 1462 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 2108 | Cozad, Brandon (1307) | Lost 1-2 | -221502 |
| 2legacy | 2153 | Sonderland, Daniel (1517) | Won 2-0 | +191521 |
| 3legacy | 2161 | Murphy, Timothy (1513) | Lost 0-2 | -191502 |
| 4legacy | 2177 | Peters, Robert (1434) | Lost 0-2 | -191483 |
| 5legacy | 2170 | Pizzini, James (1372) | Won 2-1 | +161499 |
| 6legacy | 2167 | Holwerda, Jason (1488) | Won 2-0 | +181517 |
| 7legacy | 2149 | Harbour, Dylan (1505) | Won 2-0 | +181535 |
| 8legacy | 2133 | Malone, Michael (1663) | Lost 0-2 | -161519 |
| 9legacy | 2137 | Reilly, Devin (1589) | Lost 1-2 | -171502 |
| top | average opponent: 1487record: 4-5 | new rating: 1502 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 388 | Nolan, David (1664) | Won 2-0 | +211521 |
| 2legacy | 347 | Hartless, Dylan (1426) | Lost 1-2 | -201501 |
| 3legacy | 845 | Mitchell, Stephen (1505) | Won 2-0 | +181519 |
| 4legacy | 504 | Hoq, Minhajul (1519) | Lost 1-2 | -181501 |
| 5legacy | 875 | Jensen, Justin (1475) | Lost 0-2 | -181483 |
| 6legacy | 805 | Maijala, Kirk (1442) | Won 2-0 | +171500 |
| 7legacy | 798 | Gapinski, Richard (1445) | Lost 1-2 | -191481 |
| 8legacy | 727 | Wolbers, Andrew (1886) | Won 2-0 | +251506 |
| 9legacy | 698 | Almaroad, Kent (1518) | Won 2-0 | +181524 |
| top | average opponent: 1542record: 5-4 | new rating: 1524 | ||