Spiegelberg, Damian
Current rating: 1494
Record: 6-7
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 309 | Plimpton, Alex (1500) | Won 2-0 | +191486 |
| 2sealed | 363 | Grizzle, Denny (1555) | Won 2-0 | +191505 |
| 3sealed | 95 | Kreiter, Eric (1579) | Won 2-0 | +191524 |
| 4sealed | 23 | Friedman, Ben (1741) | Lost 0-2 | -141510 |
| 5sealed | 164 | VanCleve, Matt (1534) | Won 2-0 | +191529 |
| 6sealed | 142 | Hanawalt, Stephen (1630) | Lost 0-2 | -161513 |
| 7sealed | 328 | Jansen, Morgan (1478) | Lost 0-2 | -191494 |
| average opponent: 1574record: 4-3 | new rating: 1494 | |||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Johnson, Roben W (1500) | Won 2-0 | +181518 |
| 2sealed | 11 | Ivey, Greg (1469) | Lost 0-2 | -191499 |
| 3sealed | 217 | POHLMAN, PHILIP (1503) | Lost 0-2 | -181481 |
| 4sealed | 326 | Nelson, Daniel J (1485) | Won 2-1 | +181499 |
| 5sealed | 285 | Lombardi, Anthony (1463) | Lost 1-2 | -181481 |
| 6sealed | 259 | Dalliston, Shane (1744) | Lost 0-2 | -141467 |
| average opponent: 1527record: 2-4 | new rating: 1467 | |||