Grayson, Jonathan
Current rating: 1446
Record: 3-6
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Saia, Joseph (1500) | Lost 1-2 | -181482 |
| 2sealed | 285 | RANGEL, JESUS P (1482) | Won 2-0 | +181500 |
| 3sealed | 333 | MORENO, PETER (1465) | Won 2-0 | +171517 |
| 4sealed | 224 | Andrup, Alex (1533) | Lost 0-2 | -171500 |
| 5sealed | 320 | Bohannon, John (1524) | Lost 0-2 | -181482 |
| 6sealed | 344 | Weier, Allen (1465) | Won 2-0 | +181500 |
| 7sealed | 241 | Fisher, Tanner (1502) | Lost 0-2 | -181482 |
| 8sealed | 221 | Margules, Bobby (1480) | Lost 1-2 | -181464 |
| 9sealed | 188 | Tureson, Chris (1482) | Lost 0-2 | -181446 |
| average opponent: 1492record: 3-6 | new rating: 1446 | |||