Rosenmeier, Jon
Current rating: 1414
Record: 2-7-1
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Tatum, Thomas (1500) | Won 2-0 | +191447 |
| 2sealed | 36 | Yuen, Timothy (1500) | Lost 1-2 | -171430 |
| 3sealed | 184 | Lopez III, Efrain (1482) | Won 2-0 | +191449 |
| 4sealed | 291 | LaRue, Jeffrey O (1463) | Lost 1-2 | -181431 |
| 5sealed | 332 | Burnham, Jefferson (1497) | Lost 0-2 | -171414 |
| average opponent: 1488record: 2-3 | new rating: 1414 | |||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 301 | Pennock, Chris T (1479) | Lost 0-2 | -181482 |
| 2standard | 443 | Renfroe, Robert S (1483) | Lost 0-2 | -181464 |
| 3standard | 452 | Gallegos, Devin (1465) | Lost 0-2 | -181446 |
| 4standard | 557 | Bohler, Richard Jake (1446) | Lost 1-2 | -181428 |
| 5standard | 497 | Reddish, Carl A (1427) | Draw 0-0 | 01428 |
| average opponent: 1460record: 0-4-1 | new rating: 1428 | |||