Knizacky, Joe
Current rating: 1563
Record: 9-6
| Grand Prix Detroit 2013 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 45 | PENDLETON, COY C (1463) | Won 2-1 | +171520 |
| 2modern | 67 | Cubr, Kevin (1634) | Won 0-0 | +201540 |
| 3modern | 190 | Monnin, Justin (1501) | Won 2-1 | +171557 |
| 4modern | 12 | Walsh, Steve (1518) | Won 2-1 | +181575 |
| 5modern | 5 | Goldfarb, David (1534) | Won 2-1 | +171592 |
| 6modern | 35 | Morrison, Mark (1673) | Won 2-0 | +191611 |
| 7modern | 10 | Jansen, Adam (1623) | Lost 1-2 | -171594 |
| 8modern | 17 | Edel, Willy (1897) | Lost 1-2 | -131581 |
| 9modern | 84 | Bullington, Jay (1561) | Lost 1-2 | -181563 |
| average opponent: 1601record: 6-3 | new rating: 1563 | |||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Tramontin, Tanis (1500) | Won 2-0 | +181518 |
| 2sealed | 54 | Norment, Jason (1518) | Lost 0-2 | -181500 |
| 3sealed | 114 | Succan, Ryan (1500) | Won 2-0 | +181518 |
| 4sealed | 177 | Alderfer, John (1516) | Lost 0-2 | -181500 |
| 5sealed | 190 | Keffer, Philip (1655) | Won 2-0 | +211521 |
| 6sealed | 101 | Rumford, Simon A. (1520) | Lost 1-2 | -181503 |
| average opponent: 1535record: 3-3 | new rating: 1503 | |||