Powers, Sam
Current rating: 1500
Record: 5-5
| Grand Prix Atlanta 2001 (ODY limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 97 | Sisson, Max (1500) | Won 2-1 | +181500 |
| 2sealed | 29 | Roderick, Tim (1518) | Won 2-1 | +181518 |
| 3sealed | 13 | Miller, Lynn (1530) | Won 2-1 | +191537 |
| 4sealed | 9 | Littlefield, Chuck (1564) | Lost 1-2 | -181519 |
| 5sealed | 34 | Ewald, Eric (1455) | Lost 0-2 | -191500 |
| average opponent: 1513record: 3-2 | new rating: 1500 | |||
| Grand Prix Memphis 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 98 | Taggart, Michael (1500) | Lost 0-0 | -181482 |
| 2block | 148 | Prater, James (1482) | Lost 0-0 | -181464 |
| 3block | 159 | Tucker, Ryan 2 (1464) | Won 0-0 | +181482 |
| 4block | 142 | Liston, Denver (1465) | Won 0-0 | +181500 |
| 5block | 114 | Perry, Chris (1500) | Lost 0-0 | -181482 |
| average opponent: 1482record: 2-3 | new rating: 1482 | |||