Piper, Greg
Current rating: 1500
Record: 4-4-1
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 119 | Schultz, Justin (1500) | Draw 1-1 | 01500 |
| 2sealed | 315 | Butterfield, Guy (1500) | Won 2-0 | +181518 |
| 3sealed | 204 | Morris-Lent, Christopher (1518) | Lost 0-2 | -181500 |
| 4sealed | 369 | Shaw, Samuel J (1482) | Won 2-0 | +181518 |
| 5sealed | 258 | Johnson-Epstein, Jasper (1700) | Lost 1-2 | -151503 |
| 6sealed | 343 | Dvorshak, Devin (1422) | Won 2-0 | +161519 |
| 7sealed | 252 | Tremblay, Simon (1505) | Won 2-0 | +181537 |
| 8sealed | 176 | Kroeger, Barrett (1505) | Lost 0-2 | -181519 |
| 9sealed | 176 | Tuttle, Brad (1482) | Lost 0-2 | -191500 |
| average opponent: 1512record: 4-4-1 | new rating: 1500 | |||