Karstendick, Joshua
Current rating: 1520
Record: 2-1-2
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 502 | Uszkalo, Natalie (1500) | Won 0-0 | +181518 |
| 2sealed | 596 | Speichert, Chris (1481) | Draw 1-1 | -11517 |
| 3sealed | 661 | Darling, Jeremy (1613) | Draw 1-1 | +21519 |
| 4sealed | 803 | Wadding, Edward (1499) | Won 2-1 | +181537 |
| 5sealed | 710 | Lebron, Anthony (1619) | Lost 1-2 | -171520 |
| average opponent: 1543record: 2-1-2 | new rating: 1520 | |||