Zimmerman, Jonathan
Current rating: 1482
Record: 2-3
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 433 | Barone, Louis (1500) | Lost 1-2 | -181482 |
| 2sealed | 396 | Guinn, Ethan (1482) | Won 2-0 | +181500 |
| 3sealed | 461 | Garner, Tyler (1481) | Won 2-0 | +181518 |
| 4sealed | 373 | Reeves, Philip (1519) | Lost 1-2 | -181500 |
| 5sealed | 353 | Harrison, Andrew (1500) | Lost 0-2 | -181482 |
| average opponent: 1496record: 2-3 | new rating: 1482 | |||