Alter, Justin
Current rating: 1487
Record: 4-5
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 755 | Duong, Dap (1597) | Lost 1-2 | -161466 |
| 2modern | 651 | Poindexter, Stephen (1623) | Won 2-0 | +211487 |
| top | average opponent: 1610record: 1-1 | new rating: 1487 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Teller, Darrik (1468) | Won 2-1 | +181500 |
| 2sealed | 231 | Simon, Alex (1518) | Lost 0-2 | -181482 |
| top | average opponent: 1493record: 1-1 | new rating: 1482 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | Undercoffer, Bryan (1500) | Won 2-1 | +181518 |
| 2sealed | 21 | Jimena, Andrew (1518) | Won 2-1 | +181536 |
| 3sealed | 103 | Cuppoletti, Brandon (1557) | Lost 0-2 | -181518 |
| 4sealed | 153 | Ahrens, Jonathan (1485) | Lost 1-2 | -181500 |
| 5sealed | 342 | Raivio, Matthew (1500) | Lost 1-2 | -181482 |
| top | average opponent: 1512record: 2-3 | new rating: 1482 | ||