Polizzi, Jack
Current rating: 1449
Record: 3-6
| Grand Prix Charlotte 2015 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 794 | Gwirtsman, Benjamin (1521) | Won 2-1 | +191499 |
| 2modern | 730 | Johnson, Peter (1777) | Lost 0-2 | -131486 |
| 3modern | 925 | Li, Mingliang (1448) | Lost 0-2 | -191467 |
| 4modern | 1028 | Reichley, Matthew (1482) | Lost 0-2 | -181449 |
| average opponent: 1557record: 1-3 | new rating: 1449 | |||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 411 | Lawless, Alex (1500) | Won 2-1 | +181518 |
| 2sealed | 464 | Osterbrink, Damon (1518) | Lost 0-2 | -181500 |
| 3sealed | 553 | Crider, Chuck C (1475) | Won 2-0 | +181518 |
| 4sealed | 475 | Walker, James (1461) | Lost 0-2 | -191499 |
| 5sealed | 535 | Newcombe, Steve (1470) | Lost 0-2 | -191480 |
| average opponent: 1485record: 2-3 | new rating: 1480 | |||