Kurtz, Joey
Current rating: 1414
Record: 3-8
| Grand Prix Phoenix 2018 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 45 | Chowdhury, Asif (1547) | Lost 1-2 | -161429 |
| 2modern | 515 | Ortiz, Joel (1481) | Won 2-0 | +191448 |
| 3modern | 407 | Schreiber, Steven (1500) | Lost 0-2 | -171431 |
| 4modern | 532 | Lilley, Leonard (1481) | Lost 0-2 | -171414 |
| average opponent: 1502record: 1-3 | new rating: 1414 | |||
| Grand Prix Phoenix 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Gomez, John Paul (1500) | Lost 0-2 | -181482 |
| 2sealed | 120 | Blumenthal, Jonah (1481) | Lost 0-2 | -181464 |
| 3sealed | 154 | Paden, Wayne D (1463) | Won 2-1 | +181482 |
| 4sealed | 151 | Jaussi, James L (1482) | Lost 1-2 | -181464 |
| 5sealed | 144 | Richter, Donald (1465) | Won 2-1 | +181482 |
| 6sealed | 126 | Consaul, Christopher R (1482) | Lost 0-2 | -181464 |
| 7sealed | 103 | Hurlock, Cody (1430) | Lost 0-2 | -191445 |
| average opponent: 1472record: 2-5 | new rating: 1445 | |||