CALVERT, JON
Current rating: 1427
Record: 1-5
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Bisson, Mikey (1464) | Lost 1-2 | -191481 |
| 2sealed | 321 | Cook-Mowery, Clay W (1482) | Lost 0-2 | -181463 |
| 3sealed | 479 | Moos, Steven J (1463) | Won 2-1 | +181481 |
| 4sealed | 405 | Almeida, Jeremy (1481) | Lost 1-2 | -181463 |
| 5sealed | 477 | Watson, James (1468) | Lost 0-2 | -181445 |
| 6sealed | 407 | Lewis, Cole (1428) | Lost 0-2 | -181427 |
| average opponent: 1464record: 1-5 | new rating: 1427 | |||