Marzinek, Phil
Current rating: 1454
Record: 3-6
| Grand Prix Toronto 2006 (DIS limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 45 | Douglass, Morgan (1816) | Lost 1-2 | -121471 |
| 5sealed | 78 | Clark, Morgan (1468) | Won 2-0 | +181489 |
| 6sealed | 30 | Mondon, Pierre (1397) | Lost 1-2 | -201469 |
| 7sealed | 54 | Meyerson, Jeffrey (1626) | Lost 0-2 | -151454 |
| average opponent: 1577record: 1-3 | new rating: 1454 | |||
| Grand Prix Cleveland 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 104 | Turner, Jess (1500) | Lost 1-2 | -181482 |
| 2block | 202 | Wee, Olwen (1554) | Won 2-1 | +191501 |
| 3block | 111 | Elkins, Willie (1500) | Won 2-0 | +181519 |
| 4block | 146 | Kraft, Michael (1518) | Lost 1-2 | -181501 |
| 5block | 179 | Gallagher, Pat (1500) | Lost 1-2 | -181483 |
| average opponent: 1514record: 2-3 | new rating: 1483 | |||