DUNCAN, JEFF
Current rating: 1464
Record: 1-3
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 284 | Milo, John (1499) | Lost 0-2 | -181482 |
| 2sealed | 346 | Hawthorne, Nathaniel (1482) | Won 2-0 | +181500 |
| 3sealed | 190 | Beals, Stephen (1551) | Lost 1-2 | -171483 |
| 4sealed | 330 | Tune, Alexander (1450) | Lost 1-2 | -191464 |
| average opponent: 1496record: 1-3 | new rating: 1464 | |||