Rentz, Justin
Current rating: 1469
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 202 | Serignese, Paul (1699) | Won 2-1 | +231433 |
| 2legacy | 94 | Olson, Tyler (1500) | Won 2-1 | +191452 |
| 3legacy | 216 | Collotti, Vincent (1518) | Won 2-1 | +191471 |
| 4legacy | 105 | Bianchi, Alex (1854) | Lost 1-2 | -111460 |
| 5legacy | 170 | Miller, Justin (1516) | Won 2-0 | +191479 |
| 6legacy | 103 | Shaw, Wesley (1453) | Won 2-0 | +181497 |
| 7legacy | 45 | Faustino, Anneliese (1533) | Lost 1-2 | -181479 |
| 8legacy | 118 | Cook, Tyler (1531) | Won 2-0 | +191498 |
| 9legacy | 43 | Kipple, Sean (1664) | Lost 0-2 | -151483 |
| 10legacy | 84 | Male, Nick (1720) | Lost 0-2 | -141469 |
| top | average opponent: 1599record: 6-4 | new rating: 1469 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 28 | Mattson, Michael (1500) | Lost 1-2 | -171447 |
| 2sealed | 391 | Biamonte, Vince (1364) | Lost 0-2 | -201427 |
| 3sealed | 559 | Lowry, Ian (1464) | Lost 0-2 | -171410 |
| top | average opponent: 1443record: 0-3 | new rating: 1410 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 250 | Miller, Jason A (1500) | Lost 1-2 | -181482 |
| 2sealed | 540 | Rinsem, Michael (1482) | Won 2-1 | +181500 |
| 3sealed | 723 | Rivera, Gilberto (1504) | Lost 1-2 | -181482 |
| 4sealed | 633 | John, William (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1492record: 1-3 | new rating: 1464 | ||