Turpish, John
Current rating: 1486
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 155 | Drew, Raymond (1500) | Won 2-1 | +191484 |
| 2block | 57 | Yu, Steve (1541) | Won 2-0 | +191503 |
| 3block | 56 | Clavette, Raymond (1486) | Lost 0-2 | -181485 |
| 4block | 144 | Bakalar, Val (1518) | Won 2-1 | +181503 |
| 5block | 54 | Wenkemann, Dirk (1521) | Lost 1-2 | -171486 |
| top | average opponent: 1513record: 3-2 | new rating: 1486 | ||
| Grand Prix New Orleans 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 12 | Mills, Justin (1500) | Lost 0-2 | -181482 |
| 2extended | 135 | Russell, William (1484) | Lost 1-2 | -181464 |
| 3extended | 139 | Knoch, Brian (1433) | Lost 1-2 | -181446 |
| 4extended | 173 | tiemann, kevin (1452) | Won 2-1 | +181464 |
| 5extended | 146 | Daniels, Brendan M (1428) | Lost 1-2 | -191445 |
| 6extended | 132 | Franz, Chris (1445) | Won 2-0 | +181463 |
| 7extended | 108 | Champagne, Cory (1463) | Won 2-0 | +181481 |
| 8extended | 86 | Bongiovanni, Mauro (1599) | Lost 1-2 | -161465 |
| top | average opponent: 1475record: 3-5 | new rating: 1465 | ||
| Grand Prix Tampa Bay 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Edwards, Anthony (1500) | Won 2-1 | +181518 |
| 2sealed | 82 | Draxler, Rory (1543) | Won 2-1 | +181536 |
| 3sealed | 22 | Mercier, Kevin (1536) | Lost 0-2 | -181518 |
| 4sealed | 115 | Alyemeni, Yusif (1518) | Lost 0-2 | -181500 |
| top | average opponent: 1524record: 2-2 | new rating: 1500 | ||