Marsh, Steven
Current rating: 1467
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 105 | [anonymous] | Lost 0-2 | -191467 |
| top | record: 0-1 | new rating: 1467 | ||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 41 | Oliveros, Alex (1500) | Won 2-1 | +181521 |
| 3sealed | 34 | Somers, Jacob (1535) | Lost 1-2 | -181503 |
| 4sealed | 198 | Klauk, John (1520) | Lost 1-2 | -171486 |
| top | average opponent: 1518record: 1-2 | new rating: 1486 | ||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 119 | Newton, Michael (1518) | Won 2-1 | +181518 |
| 3block | 52 | Parker, Alex (1583) | Won 2-0 | +201538 |
| 4block | 20 | Herbert, Rich (1621) | Lost 0-2 | -171521 |
| 5block | 92 | Navarrete, Erick (1536) | Lost 0-2 | -181503 |
| 6block | 88 | Gryder, Berkley (1475) | Won 2-1 | +181521 |
| 7block | 81 | Bobek, Michael (1535) | Lost 0-2 | -181503 |
| top | average opponent: 1544record: 3-3 | new rating: 1503 | ||