Shelby, Colin
Current rating: 1492
Record: 6-7
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Saldias, Andres (1500) | Lost 0-1 | -191510 |
| 2sealed | 334 | Patell, Cyrus (1516) | Lost 0-0 | -181492 |
| average opponent: 1508record: 0-2 | new rating: 1492 | |||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 24 | Fletcher, Brian (1580) | Won 2-0 | +191519 |
| 5block | 41 | Vandover, Sean (1587) | Won 2-1 | +201539 |
| 6block | 1 | Cannistraro, Michael (1602) | Won 2-0 | +191558 |
| 7block | 10 | Minicucci, Domenic (1607) | Lost 1-2 | -171541 |
| 8block | 14 | Badillo, Rogelio (1585) | Lost 0-2 | -171524 |
| 9block | 89 | Bonomo, Justin (1517) | Won 2-1 | +171541 |
| 10block | 29 | Gendelman, Adam (1560) | Lost 0-2 | -171524 |
| 11block | 50 | Kessel, Jens (1532) | Won 2-1 | +181542 |
| 12block | 30 | Naimoli, John (1595) | Won 2-0 | +191561 |
| 13block | 16 | Nagy, Stephen (1588) | Lost 1-2 | -181543 |
| 14block | 33 | DeTora, Melissa (1733) | Lost 0-2 | -141529 |
| average opponent: 1590record: 6-5 | new rating: 1529 | |||