Grahmann, Jordan
Current rating: 1446
Record: 6-9
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 122 | Alanis, Elihel (1500) | Won 2-0 | +181499 |
| 2sealed | 142 | Chamberlain, Anne (1518) | Won 2-0 | +181517 |
| 3sealed | 422 | Christie, Simon (1438) | Lost 1-2 | -191498 |
| 4sealed | 102 | Van Dyke, Michael (1563) | Lost 1-2 | -171481 |
| 5sealed | 325 | Kurtzman, Andrew (1499) | Lost 0-2 | -181463 |
| 6sealed | 285 | Lumpkin, Clayton (1480) | Lost 0-2 | -171446 |
| average opponent: 1500record: 2-4 | new rating: 1446 | |||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 250 | Jackson, Michael S (1517) | Lost 0-2 | -181482 |
| 2standard | 291 | White, John D (1453) | Lost 1-2 | -181464 |
| 3standard | 358 | Weatherford, Bobby (1463) | Won 2-0 | +181482 |
| 4standard | 299 | Zhang, Qiao (1501) | Won 2-1 | +181500 |
| 5standard | 274 | Henkes, Ben (1478) | Lost 0-2 | -181482 |
| 6standard | 267 | Schladetzky, Josh (1361) | Won 2-1 | +161498 |
| 7standard | 214 | Poole, Brooke (1504) | Won 2-1 | +181516 |
| 8standard | 150 | Ordaz Farias, Jorge Alberto (1553) | Lost 1-2 | -181498 |
| 9standard | 157 | Hamzehloo, Kj (1513) | Lost 1-2 | -171481 |
| average opponent: 1482record: 4-5 | new rating: 1481 | |||